qb-geometry-MTUuBQKO.js

js smartmaths.ai collected 2026-10-05 15:06:03 UTC 1,188,219 bytes, 1 lines download raw bytes

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1shape have?","spoken_prompt":"How many flat faces does this cone have?"},"source":"ai_draft","status":"approved","phase_id":"geo_shape_properties_and_symmetry_beginnings","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[1]},"hint_ladder":[{"step":1,"message":"A flat face is a side you could rest on a table. 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1ount how many quarter-turns it takes to get from one to the other."}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"quarter","type":"turn","start":"down","direction":"anticlockwise"},"micro_skill_id":"GEO.P4.M01","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_core","interaction_type":"single_select","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"shape":null,"answerZero":false,"visualType":"turn"}},"typical_year_band_id":"year_2","task_complexity_score":1.6},{"id":"GEO.P4.M01.Q109","prompt":{"stem":"How far has the arrow turned?","spoken_prompt":"How far has the arrow turned from where it started?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_three_quarter","label":"Three-quarter turn"},{"id":"opt_quarter","label":"Quarter turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_half","label":"Half turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["opt_three_quarter"]},"hint_ladder":[{"step":1,"message":"Split the circle into four equal parts. 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Less of the circle means a

1smaller turn."},{"step":2,"message":"A quarter turn sweeps less of the circle than a half turn."}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":false},"micro_skill_id":"GEO.P4.M01","representation":"multiple_choice","scaffold_level":"none","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"comparison_statement","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"comparison_statement","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"isTurnCompare":true,"isTwoProperty":false}},"typical_year_band_id":"year_2","task_complexity_score":2.2},{"id":"GEO.P4.M01.Q126","prompt":{"stem":"Ben faces left, then makes a three-quarter turn clockwise. 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Which way are you facing now?"}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":null,"micro_skill_id":"GEO.P4.M01","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":5,"difficulty_tier":"stretch","question_family":"application","interaction_type":"single_select","mathematical_form":"context_calculation","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"context_calculation","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{}},"typical_year_band_id":"year_2","task_complexity_score":2.7},{"id":"GEO.P4.M01.Q130","prompt":{"stem":"A clock hand points up, then makes a half turn. Which way does it point now?","spoken_prompt":"A clock hand points up. 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Which way is it pointing now?"}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":false},"micro_skill_id":"GEO.P4.M01","representation":"multiple_choice","scaffold_level":"none","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"application","interaction_type":"single_select","mathematical_form":"context_calculation","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"context_calculation","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{}},"typical_year_band_id":"year_2","task_complexity_score":1.8},{"id":"GEO.P4.M01.Q201","prompt":{"stem":"A clock's minute hand moves from the 12 to the 3. What turn has

1it made?","spoken_prompt":"A clock's minute hand moves from the 12 to the 3. What turn has it made?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_quarter","label":"Quarter turn"},{"id":"opt_half","label":"Half turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_three_quarter","label":"Three-quarter turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["opt_quarter"]},"hint_ladder":[{"step":1,"message":"A full turn is the whole circle, back to where it started. Four quarter turns make one full turn."},{"step":2,"message":"The hand started at 12, pointing up, and moved round to 3, pointing right. How many of those four equal quarter-turn steps did it take?"}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"quarter","type":"turn","start":"up","direction":"clockwise"},"micro_skill_id":"GEO.P4.M01","representation":"multiple_choice","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"support","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[12,3],"has_visual":true,"representation":"multiple_choice","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"shape":null,"answerZero":false,"visualType":"turn"}},"typical_year_band_id":"year_2","task_complexity_score":1.4},{"id":"GEO.P4.M01.Q202","prompt":{"stem":"Aisha is facing up. She makes a half turn. Which way is she facing now?","spoken_prompt":"Aisha is facing up. She makes a half turn. Which way is she facing now?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_up","label":"Up","misconception_tags":["turn_direction_confused"]},{"id":"opt_down","label":"Down"},{"id":"opt_left","label":"Left","misconception_tags":["turn_direction_confused"]},{"id":"opt_right","label":"Right","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["opt_down"]},"hint_ladder":[{"step":1,"message":"A half turn spins you round to face the exact opposite way from where you started."},{"step":2,"message":"Aisha started facing up. If a half turn always lands you facing the opposite direction, which way is opposite to up?"}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":false},"micro_skill_id":"GEO.P4.M01","representation":"multiple_choice","scaffold_level":"none","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"context_calculation","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"context_calculation","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{}},"typical_year_band_id":"year_2","task_complexity_score":1.8},{"id":"GEO.P4.M01.Q51","prompt":{"stem":"How far has the arrow turned?","spoken_prompt":"How far has the arrow turned?"},"source":"ai_draft","status":"retired","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_q","label":"Quarter turn"},{"id":"opt_h","label":"Half turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_tq","label":"Three-quarter turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["opt_q"]},"hint_ladder":[{"step":1,"message":"A full turn goes all the way round the circle. See how much of the circle the arrow swept."},{"step":2,"message":"The arrow starts pointing up and ends pointing right â that is one of the four equal parts of a full circle."}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"quarter","type":"turn","start":"up","direction":"clockwise"},"micro_skill_id":"GEO.P4.M01","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_core","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"shape":null,"isTurn":true}},"typical_year_band_id":"year_2","task_complexity_score":1.6},{"id":"GEO.P4.M02.Q100","notes":["WAVE-2 pilot exemplar: coordinate_grid visual, one labelled point A. 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1space) would not. Stem states the required format. Flagging as a possible grader gap."],"prompt":{"stem":"What are the coordinates of A? Type them as x,y (for example 5,4).","spoken_prompt":"What are the coordinates of point A? 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Single-select of coordinate pairs (robust grading). Distractors cover x/y swap and single-axis misreads (tagged coordinate_axis_misread)."],"prompt":{"stem":"What are the coordinates of P?","spoken_prompt":"Look at the grid. 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Single-select of coordinate pairs (robust grading). Distractors cover x/y swap and single-axis misreads (tagged coordinate_axis_misread)."],"prompt":{"stem":"What are the coordinates of G?","spoken_prompt":"Look at the grid. What are the coordinates of point G?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_2_1","label":"(2, 1)"},{"id":"opt_1_2","label":"(1, 2)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_3_1","label":"(3, 1)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_2_2","label":"(2, 2)","misconception_

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What are the coordinates of point H?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_6_3","label":"(6, 3)"},{"id":"opt_3_6","label":"(3, 6)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_7_3","label":"(7, 3)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_6_4","label":"(6, 4)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_6_3"]},"hint_ladder":[{"step":1,"message":"Coordinates are written as the x-coordinate first, then the y-coordinate, inside brackets."},{"step":2,"message":"Read along the bottom axis to find how far across the point sits, then read up the side axis for how far up. 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1space) would not. Stem states the no-space x,y format."],"prompt":{"stem":"What are the coordinates of S? Type them as x,y (for example 5,4).","spoken_prompt":"What are the coordinates of point S? 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Single-select of coordinate pairs (robust grading). Distractors cover x/y swap and single-axis misreads (tagged coordinate_axis_misread). Point unlabelled with its coordinates â read off the axes."],"prompt":{"stem":"What are the coordinates of K?","spoken_prompt":"Look at the grid. 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Child reads the coordinates and types them as x,y. Stem states the required format.","GRADER NOTE: text answer is exact-match on accepted_values[0] after trim+lowercase, with NO internal whitespace normalisation â '3,3' matches but '3, 3' (with a

1space) would not. Stem states the no-space x,y format."],"prompt":{"stem":"What are the coordinates of D? Type them as x,y (for example 5,4).","spoken_prompt":"What are the coordinates of point D? Type the two numbers with a comma between them, like 5 comma 4."},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"text","accepted_values":["3,3"]},"hint_ladder":[{"step":1,"message":"Read across the bottom axis first to find the x-coordinate, then read up the side axis for the y-coordinate."},{"step":2,"message":"A point sitting above the 5 on the bottom and level with the 1 on the side is written 5,1 â x-coordinate first.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":3,"y":3,"label":"D"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_text","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["coordinates_x_y_swapped"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[5,4],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"x":3,"y":3}},"typical_year_band_id":"year_4","task_complexity_score":1.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M02.Q126","notes":["WAVE-2 deepen sibling of GEO.P4.M02.Q100: coordinate_grid, one labelled point E at (1, 5). Child reads the coordinates and types them as x,y. Stem states the required format.","GRADER NOTE: text answer is exact-match on accepted_values[0] after trim+lowercase, with NO internal whitespace normalisation â '1,5' matches but '1, 5' (with a space) would not. Stem states the no-space x,y format."],"prompt":{"stem":"What are the coordinates of E? Type them as x,y (for example 5,4).","spoken_prompt":"What are the coordinates of point E? Type the two numbers with a comma between them, like 5 comma 4."},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"text","accepted_values":["1,5"]},"hint_ladder":[{"step":1,"message":"Read across the bottom axis first to find the x-coordinate, then read up the side axis for the y-coordinate."},{"step":2,"message":"A point sitting above the 3 on the bottom and level with the 2 on the side is written 3,2 â x-coordinate first.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":1,"y":5,"label":"E"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":1,"difficulty_tier":"support","question_family":"procedure_standard","interaction_type":"typed_text","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["coordinates_x_y_swapped"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[5,4],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"x":1,"y":5}},"typical_year_band_id":"year_4","task_complexity_score":1.9,"unscaffolded_eligible":true},{"id":"GEO.P4.M02.Q127","notes":["WAVE-2 deepen sibling of GEO.P4.M02.Q100: coordinate_grid, one labelled point F at (7, 5). Child reads the coordinates and types them as x,y. Stem states the required format.","GRADER NOTE: text answer is exact-match on accepted_values[0] after trim+lowercase, with NO internal whitespace normalisation â '7,5' matches but '7, 5' (with a

1space) would not. Stem states the no-space x,y format."],"prompt":{"stem":"What are the coordinates of F? Type them as x,y (for example 5,4).","spoken_prompt":"What are the coordinates of point F? Type the two numbers with a comma between them, like 5 comma 4."},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"text","accepted_values":["7,5"]},"hint_ladder":[{"step":1,"message":"Read across the bottom axis first to find the x-coordinate, then read up the side axis for the y-coordinate."},{"step":2,"message":"A point sitting above the 5 on the bottom and level with the 1 on the side is written 5,1 â x-coordinate first.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":7,"points":[{"x":7,"y":5,"label":"F"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M02","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"procedure_standard","interaction_type":"typed_text","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["coordinates_x_y_swapped"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[5,4],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"x":7,"y":5}},"typical_year_band_id":"year_4","task_complexity_score":2.45,"unscaffolded_eligible":true},{"id":"GEO.P4.M02.Q128","notes":["WAVE-2 deepen sibling of GEO.P4.M02.Q100: coordinate_grid, one labelled point G at (4, 7). Child reads the coordinates and types them as x,y. Stem states the required format.","GRADER NOTE: text answer is exact-match on accepted_values[0] after trim+lowercase, with NO internal whitespace normalisation â '4,7' matches but '4, 7' (with a space) would not. Stem states the no-space x,y format."],"prompt":{"stem":"What are the coordinates of G? Type them as x,y (for example 5,4).","spoken_prompt":"What are the coordinates of point G? 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Is he right?","spoken_prompt":"Jack says point A is at 2, 5. Is he right?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_yes","label":"Yes","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_no","label":"No"}],"selection_mode":"single","correct_option_ids":["opt_no"]},"hint_ladder":[{"step":1,"message":"Read across the bottom axis first to find the x-coordinate, then read up the side axis for the y-coordinate â the two numbers go in that order."},{"step":2,"message":"Point A sits above the 5 on the bottom axis and level with the 2 on the side axis, so the x-coordinate comes first. 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What are the coordinates of the treasure?","spoken_prompt":"On the treasure map, X marks the spot where the treasure is buried. What are its coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_4_3","label":"(4, 3)"},{"id":"opt_swap_3_4","label":"(3, 4)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_x_misread_5_3","label":"(5, 3)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_y_misread_4_2","label":"(4, 2)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_4_3"]},"hint_ladder":[{"step":1,"message":"Read along the bottom axis first to see how far across the X sits, then read up the side axis to see how far up it is."},{"step":2,"message":"Count how far across the point sits first, then how far up. The across number always goes first in the brackets.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":4,"y":3,"label":"X"}]},"micro_skill_id":"GEO.P4.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[4,3],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"x":4,"y":3}},"typical_year_band_id":"year_4","task_complexity_score":1.5},{"id":"GEO.P4.M02.Q303","prompt":{"stem":"Point C is at (2, 6) and point D is at (6, 2). Which point sits closer to the bottom of the grid â C or D?","spoken_prompt":"Point C is at 2, 6 and point D is at 6, 2. Which point is closer to the bottom of the grid, C or D?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_c","label":"C","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_d","label":"D"}],"selection_mode":"single","correct_option_ids":["opt_d"]},"hint_ladder":[{"step":1,"message":"The bottom of the grid is where the y-coordinate â the second number in the pair â is smallest."},{"step":2,"message":"C's second number is 6 and D's second number is 2. Compare those two second numbers to

1see which point sits nearer the bottom.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":2,"y":6,"label":"C"},{"x":6,"y":2,"label":"D"}]},"micro_skill_id":"GEO.P4.M02","representation":"comparison","scaffold_level":"light","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"comparison_statement","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"comparison_statement","strand":"geometry","universal":{"numbers":[2,6,6,2],"has_visual":true,"representation":"comparison","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"soleAngle":null}},"typical_year_band_id":"year_4","task_complexity_score":1.8},{"id":"GEO.P4.M02.Q304","prompt":{"stem":"Look at the grid. Which point shows the coordinates (4, 3) â E or F?","spoken_prompt":"Look at the grid. Which point, E or F, shows the coordinates 4, 3?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_e","label":"E"},{"id":"opt_f","label":"F","misconception_tags":["coordinates_x_y_swapped"]}],"selection_mode":"single","correct_option_ids":["opt_e"]},"hint_ladder":[{"step":1,"message":"For each point, read along the bottom axis first, then up the side axis, to find its coordinates."},{"step":2,"message":"(4, 3) means 4 across and 3 up. Check each labelled point against that order to see which one matches.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":4,"y":3,"label":"E"},{"x":3,"y":4,"label":"F"}]},"micro_skill_id":"GEO.P4.M02","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["coordinates_x_y_swapped"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[4,3],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"x":4,"y":3}},"typical_year_band_id":"year_4","task_complexity_score":1.7},{"id":"GEO.P4.M03.Q100","notes":["Y4 pilot exemplar, raised in the GEO sweep (founder did not flag; failed the Y4 difficulty floor). Was a single-axis move (3 right only) so only one coordinate changed. Now a TWO-AXIS translation (the named Y4 lever): 3 right AND 2 up, both coordinates change. coordinate_grid shows the START point A(2,3) only; plotting the destination would leak the answer. Re-derived: (2+3, 3+2) = (5, 5). Distractors: (4,6) put each move on the wrong axis (2 right, 3 up); (7,3) added both moves to the across number and left up unchanged; (5,1) moved down instead of up."],"prompt":{"stem":"Point A is at (2, 3). Move it 3 squares right and 2 squares up. What are the new coordinates?","spoken_prompt":"Point A is at the coordinates 2, 3. Move it 3 squares right and 2 squares up. What are its new coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_5_5","label":"(5, 5)"},{"id":"opt_swap_4_6","label":"(4, 6)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_both_on_x_7_3","label":"(7, 3)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_down_5_1","label":"(5, 1)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_5_5"]},"hint_ladder":[{"step":1,"message":"Moving right changes the x-coordinate. Moving up changes the y-coordinate. Each move belongs to its own axis."},{"step":2,"message":"Point A sits at 2 across and 3 up. Count on 3 from the x-coordinate 2, then count on 2 from the y-coordinate 3.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","visual_data":{"type":"coordinate_grid","max_x":8,"max_y":6,"points":[{"x":2,"y":3,"label":"A"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,3,3,2],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.2,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q101","notes":["Y4 pilot exemplar, raised in the GEO sweep. Was a single-axis move asking for the across number after mov

1ing right only -- trivial. Now a TWO-AXIS move (4 right AND 3 up) but asks for the UP number, so the child must apply the vertical move and IGNORE the horizontal one (which does not affect the up number). Keeps a robust single-integer typed answer. coordinate_grid shows the START point B(1,2) only. Re-derived: up number = 2 + 3 = 5 (the 4-right move is a deliberate distractor)."],"prompt":{"stem":"Point B is at (1, 2). Move it 4 squares right and 3 squares up. What is the new y-coordinate?","spoken_prompt":"Point B is at the coordinates 1, 2. Move it 4 squares right and 3 squares up. What is its new y-coordinate?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[5]},"hint_ladder":[{"step":1,"message":"The y-coordinate only changes when the point moves up or down. Moving right does not change the y-coordinate."},{"step":2,"message":"Point B sits at 2 up. Count on 3 for the up move. The 4-square move to the right does not touch the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","visual_data":{"type":"coordinate_grid","max_x":8,"max_y":6,"points":[{"x":1,"y":2,"label":"B"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[1,2,4,3],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.2,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q200","notes":["Sub-type A (read a plotted point). Easiest read: point C sits exactly on a labelled across line, low up value. Re-derived from visual: C is at across 3, up 2 -> (3, 2). Swap distractor (2,3); axis-misread distractors read one number off the wrong axis."],"prompt":{"stem":"Look at the grid. What are the coordinates of point C? Remember to write the x-coordinate first.","spoken_prompt":"Look at the grid. What are the coordinates of point C? Remember to write the x-coordinate first."},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_3_2","label":"(3, 2)"},{"id":"opt_swap_2_3","label":"(2, 3)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_misread_4_2","label":"(4, 2)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_3_2"]},"hint_ladder":[{"step":1,"message":"Coordinates are written as the x-coordinate first, then the y-coordinate."},{"step":2,"message":"Look straight down from point C to the bottom line to find the x-coordinate, then look across to the side line for the y-coordinate.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":3,"y":2,"label":"C"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":1,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[3,2],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.4,"unscaffolded_eligible":true}

1,{"id":"GEO.P4.M03.Q201","notes":["Sub-type A (read a plotted point). Point D at across 5, up 4 -> (5, 4). Swap distractor (4,5); axis-misread distractor reads the up number one line too high (5,5)."],"prompt":{"stem":"What are the coordinates of point D on the grid? Write the x-coordinate first, then the y-coordinate.","spoken_prompt":"What are the coordinates of point D on the grid? Write the x-coordinate first, then the y-coordinate."},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_5_4","label":"(5, 4)"},{"id":"opt_swap_4_5","label":"(4, 5)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_misread_5_5","label":"(5, 5)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_5_4"]},"hint_ladder":[{"step":1,"message":"The first number tells how far across a point is, and the second number tells how far up."},{"step":2,"message":"Trace down from point D to read the x-coordinate on the bottom line, then trace left to read the y-coordinate on the side line.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":6,"points":[{"x":5,"y":4,"label":"D"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":1,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[5,4],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q202","notes":["Sub-type B, single-axis (right only). Counter P starts at (2, 3); move 3 right -> (5, 3). Grid shows START only; plotting destination would leak. In-grid check: 2+3=5 <= max_x 7, up unchanged 3. Swap distractor (3,5); axis-misread distractors (2,6) move up instead of right, (8,3) overshoots off-grid is avoided so use (6,3) off-by-one count."],"prompt":{"stem":"A counter is on point P at (2, 3). Slide it 3 squares to the right. Where does the counter land?","spoken_prompt":"A counter is on point P at the coordinates 2, 3. Slide it 3 squares to the right. Where does the counter land?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_5_3","label":"(5, 3)"},{"id":"opt_swap_3_5","label":"(3, 5)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_wrong_axis_2_6","label":"(2, 6)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_5_3"]},"hint_ladder":[{"step":1,"message":"Moving right changes the x-coordinate only. The y-coordinate stays the same."},{"step":2,"message":"Point P starts at 2 across. Count on 3 along the bottom line from 2 to find the new x-coordinate, and keep the y-coordinate at 3.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":6,"points":[{"x":2,"y":3,"label":"P"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":1,"difficulty_tier":"support","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,3,3],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q203","notes":["Sub-type B, single-axis (up only), typed single integer (across number is asked but it is unchanged -- tests that an up move does not change the across number). Point E at (4, 1); move 2 up. New across number = 4 (up move does not touch it). Typed numeric single integer matches Q101 grader. In-grid: up 1+2=3 <= max_y 6."],"prompt":{"stem":"Point E is at (4, 1). Move it 2 squares up. What is the new x-coordinate?","spoken_prompt":"Point E is at the coordinates 4, 1. Move it 2 squares up. What is its new x-coordinate?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[4]},"hint_ladder":[{"step":1,"message":"The x-coordinate only changes when a point moves left or right. Moving up or down leaves the x-coordinate alone."},{"step":2,"message":"The 2-square move is upward, so it changes the y-coordinate only. The x-coordinate stays exactly where point E started, so read it straight off where E began.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":4,"y":1,"label":"E"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"support","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[4,1,2],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":1,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.2,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q204","notes":["Sub-type B, single-axis (right only), typed single integer asking for the new across number (the number that DOES change). Point F at (1, 4); move 4 right -> across 1+4=5. In-grid: 5 <= max_x 7."],"prompt":{"stem":"Point F is at (1, 4). Move it 4 squares to the right. What is the new x-coordinate?","spoken_prompt":"Point F is at the coordinates 1, 4. Move it 4 squares to the right. What is its new x-coordinate?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[5]},"hint_ladder":[{"step":1,"message":"Moving to the right makes the x-coordinate bigger. Count the squares along the bottom line."},{"step":2,"message":"Point F starts at 1 across. Count on 4 squares to the right along the bottom line to find where it lands.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":6,"points":[{"x":1,"y":4,"label":"F"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":1,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[1,4,4],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q205","notes":["Sub-type B, single-axis (left), NO visual (symbolic). Point at (6, 2); move 2 left -> (4, 2). In-grid: 6-2=4 >= 0. Swap distractor (2,4); axis-misread distractors (4,0) move down by mistake reaching the axis (still valid coord) but wrong, and (8,2) moved right instead of left."],"prompt":{"stem":"A point is at (6, 2). It moves 2 squares to the left. What are its new co

1ordinates?","spoken_prompt":"A point is at the coordinates 6, 2. It moves 2 squares to the left. What are its new coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_4_2","label":"(4, 2)"},{"id":"opt_swap_2_4","label":"(2, 4)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_wrong_dir_8_2","label":"(8, 2)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_4_2"]},"hint_ladder":[{"step":1,"message":"Moving left makes the x-coordinate smaller. The y-coordinate does not change."},{"step":2,"message":"The point starts at 6 across. Count back 2 from 6 along the across direction, and leave the y-coordinate at 2.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":5,"points":[{"x":6,"y":2,"label":"start"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"light","complexity_band":2,"difficulty_rank":1,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[6,2,2],"has_visual":true,"representation":"multiple_choice","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q206","notes":["Sub-type B, single-axis (down), with visual. Point G at (3, 5); move 4 down -> (3, 1). In-grid: 5-4=1 >= 0. Swap distractor (1,3); axis-misread distractor (3,9) added instead of subtracted (off-grid label as a wrong option is fine in MC, the grid only shows start) -- replace with (7,5) moved right by mistake; also (3,9) kept as 'wrong direction up'."],"prompt":{"stem":"A counter sits on point G at (3, 5). Move it 4 squares down. Which coordinates show where it lands?","spoken_prompt":"A counter sits on point G at the coordinates 3, 5. Move it 4 squares down. Which coordinates show where it lands?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_3_1","label":"(3, 1)"},{"id":"opt_swap_1_3","label":"(1, 3)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_wrong_axis_7_5","label":"(7, 5)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_3_1"]},"hint_ladder":[{"step":1,"message":"Moving down makes the y-coordinate smaller. The x-coordinate stays the same."},{"step":2,"message":"Point G sits at 5 up. Count back 4 down the side line from 5, and keep the x-coordinate at 3.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":3,"y":5,"label":"G"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[3,5,4],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":1,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.2,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q207","notes":["Sub-type A (read a plotted point) but with a higher up value to lift difficulty above the rank-1/2 reads. Point H at across 2, up 6 -> (2, 6). Swap distractor (6,2); axis-misread distractor (3,6) reads one across line too far."],"prompt":{"stem":"What are the coordinates of point H? Give the x-coordinate first, then the y-coordinate.","spoken_prompt":"What are the coordinates of point H? Give the x-coordinate first, then the y-coordinate."},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_2_6","label":"(2, 6)"},{"id":"opt_swap_6_2","label":"(6, 2)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_misread_3_6","label":"(3, 6)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_2_6"]},"hint_ladder":[{"step":1,"message":"A point high up on the grid still has a small x-coordinate if it sits near the left. Read across first, then up."},{"step":2,"message":"Follow point H straight down to the bottom line to read the x-coordinate, then across to the side line to read the y-coordinate.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":7,"points":[{"x":2,"y":6,"label":"H"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":1,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,6],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q208","notes":["Sub-type B, TWO-AXIS (right and up), with visual showing START only. Point J at (1, 1); move 3 right and 3 up ->

1 (4, 4). In-grid: 1+3=4 <= max_x 7, 1+3=4 <= max_y 7. Swap distractor (4,4) is symmetric so swapping gives same value -- choose a start where x!=y. Reset: point J at (2, 1); 3 right, 3 up -> (5, 4). Swap (4,5); both-on-x (8,1)->use (7,1)? 2+3+3=8 too contrived; use down-instead-of-up (5,?) -- 1-3 negative, invalid. Use axis-misread (2,4): only the up move applied, across ignored. And both-on-across (8,1) invalid since 8>max? max_x 7 so 8 off-grid as a WRONG option is acceptable in MC, but prefer in-grid wrong: (7,1) i.e. 2+3+? no. Final distractors: (4,5) swap; (2,4) up-only; (5,1) right-only.","Re-derived final: J(2,1) -> 3 right, 3 up -> across 2+3=5, up 1+3=4 -> (5,4)."],"prompt":{"stem":"Point J is at (2, 1). Move it 3 squares right and 3 squares up. What are the new coordinates?","spoken_prompt":"Point J is at the coordinates 2, 1. Move it 3 squares right and 3 squares up. What are its new coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_5_4","label":"(5, 4)"},{"id":"opt_swap_4_5","label":"(4, 5)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_up_only_2_4","label":"(2, 4)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_right_only_5_1","label":"(5, 1)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_5_4"]},"hint_ladder":[{"step":1,"message":"There are two moves here. The right move changes the x-coordinate and the up move changes the y-coordinate. Do both."},{"step":2,"message":"Point J starts at 2 across and 1 up. Count on 3 from the x-coordinate, then count on 3 from the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":7,"points":[{"x":2,"y":1,"label":"J"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,1,3,3],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q209","notes":["Sub-type B, TWO-AXIS, NO visual (symbolic), typed single integer asks for the new UP number (must apply the up move and ignore the right move). Point K at (2, 2); 4 right, 3 up -> up = 2+3 = 5. Destination (6,5) >= 0 on both axes."],"prompt":{"stem":"Point K is at (2, 2). Move it 4 squares right and 3 squares up. What is the new y-coordinate?","spoken_prompt":"Point K is at the coordinates 2, 2. Move it 4 squares right and 3 squares up. What is its new y-coordinate?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[5]},"hint_ladder":[{"step":1,"message":"The y-coordinate only changes when the point moves up or down. Moving right does not touch the y-coordinate."},{"step":2,"message":"Point K starts at 2 up. Count on 3 for the up move. The 4 squares to the right belong to the x-coordinate, so ignore them here.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":6,"points":[{"x":2,"y":2,"label":"K"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"symbolic","scaffold_level":"light","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[2,2,4,3],"has_visual":true,"representation":"symbolic","scaffold_level":"light","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q210","notes":["Sub-type B, TWO-AXIS, NO visual (symbolic). Point at (3, 2); move 2 right and 4 up -> (5, 6). In-grid implied by max use. Swap (6,5); up-only (3,6); right-only (5,2)."],"prompt":{"stem":"A point is at (3, 2). It moves 2 squares right and 4 squares up. What are its new co

1ordinates?","spoken_prompt":"A point is at the coordinates 3, 2. It moves 2 squares right and 4 squares up. What are its new coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_5_6","label":"(5, 6)"},{"id":"opt_swap_6_5","label":"(6, 5)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_up_only_3_6","label":"(3, 6)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_right_only_5_2","label":"(5, 2)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_5_6"]},"hint_ladder":[{"step":1,"message":"Two moves means two numbers change. Add the right move to the x-coordinate and the up move to the y-coordinate."},{"step":2,"message":"The point starts at 3 across and 2 up. Count on 2 from the x-coordinate, then count on 4 from the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":7,"points":[{"x":3,"y":2,"label":"start"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[3,2,2,4],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q211","notes":["Sub-type B, TWO-AXIS mixing right and down, NO visual (symbolic). Point M at (2, 5); move 4 right and 3 down -> (6, 2). Destination in first quadrant: across 2+4=6 >= 0, up 5-3=2 >= 0. Swap (2,6); right-only (6,5); down-only (2,2)."],"prompt":{"stem":"A counter is on point M at (2, 5). Move it 4 squares right and 3 squares down. Where does it land?","spoken_prompt":"A counter is on point M at the coordinates 2, 5. Move it 4 squares right and 3 squares down. Where does it land?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_6_2","label":"(6, 2)"},{"id":"opt_swap_2_6","label":"(2, 6)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_right_only_6_5","label":"(6, 5)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_down_only_2_2","label":"(2, 2)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_6_2"]},"hint_ladder":[{"step":1,"message":"Right makes the x-coordinate bigger and down makes the y-coordinate smaller. Change one number for each move."},{"step":2,"message":"Point M starts at 2 across and 5 up. Count on 4 from the x-coordinate, then count back 3 from the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":6,"points":[{"x":2,"y":5,"label":"M"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,5,4,3],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q212","notes":["Sub-type B, TWO-AXIS with a DOWN move, typed single integer asks the new up number (subtraction on the up axis, ignore the left move). Point N at (5, 6); move 2 left and 4 down -> up = 6-4 = 2. In-grid: across 5-2=3 >= 0, up 2 >= 0."],"prompt":{"stem":"Point N is at (5, 6). Move it 2 squares left and 4 squares down. What is the new y-coordinate?","spoken_prompt":"Point N is at the coordinates 5, 6. Move it 2 squares left and 4 squares down. What is its new y-coordinate?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[2]},"hint_ladder":[{"step":1,"message":"Only the down move changes the y-coordinate, and moving down makes it smaller. The left move belongs to the x-coordinate."},{"step":2,"message":"Point N starts at 6 up. Count back 4 down the side line for the down move. The leftward move does not touch the y-coordinate at all.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":7,"points":[{"x":5,"y":6,"label":"N"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[5,6,2,4],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q213","notes":["Sub-type B, TWO-AXIS left+up, NO visual. Point at (7, 1); move 4 left and 5 up -> (3, 6). In-grid: 7-4=3 >= 0, 1+5=6. Swap (6,3); left-only (3,1); up-only (7,6)."],"prompt":{"stem":"A point is at (7, 1). It moves 4 squares left and 5 squares up. What are its new co

1ordinates?","spoken_prompt":"A point is at the coordinates 7, 1. It moves 4 squares left and 5 squares up. What are its new coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_3_6","label":"(3, 6)"},{"id":"opt_swap_6_3","label":"(6, 3)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_left_only_3_1","label":"(3, 1)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_up_only_7_6","label":"(7, 6)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_3_6"]},"hint_ladder":[{"step":1,"message":"Left makes the x-coordinate smaller and up makes the y-coordinate bigger. Change one number for each move."},{"step":2,"message":"The point starts at 7 across and 1 up. Count back 4 from the x-coordinate, then count on 5 from the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":8,"max_y":7,"points":[{"x":7,"y":1,"label":"start"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[7,1,4,5],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q214","notes":["Sub-type B, TWO-AXIS left+down (both decrease), with visual. Point R at (6, 7); move 3 left and 5 down -> (3, 2). In-grid: 6-3=3 >= 0, 7-5=2 >= 0. Swap (2,3); left-only (3,7); down-only (6,2)."],"prompt":{"stem":"A counter is on point R at (6, 7). Move it 3 squares left and 5 squares down. Which coordinates show where it lands?","spoken_prompt":"A counter is on point R at the coordinates 6, 7. Move it 3 squares left and 5 squares down. Which coordinates show where it lands?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_3_2","label":"(3, 2)"},{"id":"opt_swap_2_3","label":"(2, 3)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_left_only_3_7","label":"(3, 7)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_down_only_6_2","label":"(6, 2)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_3_2"]},"hint_ladder":[{"step":1,"message":"Both moves make a number smaller here. Left lowers the x-coordinate and down lowers the y-coordinate."},{"step":2,"message":"Point R starts at 6 across and 7 up. Count back 3 from the x-coordinate, then count back 5 from the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":8,"max_y":8,"points":[{"x":6,"y":7,"label":"R"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[6,7,3,5],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q215","notes":["Sub-type C (describe the move between two SHOWN points). Both A and B plotted. A(1,2) to B(5,2): move 4 right and 0 up/down -> '4 right'. In-grid both points valid. Distractors: '4 up' read the change on the wrong axis (axis_misread); '4 left' wrong direction (axis_misread); '2 right' counted from the wrong start line (axis_misread). Swap not natural here so use three axis-misread distractors plus correct."],"prompt":{"stem":"Point A and point B are marked on the grid. How do you move from A to B?","spoken_prompt":"Point A and point B are marked on the grid. How do you move from point A to point B?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_4_right","label":"4 squares right"},{"id":"opt_4_up","label":"4 squares up","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_4_left","label":"4 squares left","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_2_right","label":"2 squares right","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_4_right"]},"hint_ladder":[{"step":1,"message":"Check the two points. If the y-coordinate is the same for both, the move is only left or right."},{"step":2,"message":"Point A and point B are both at 2 up, so the move is sideways. Count the squares along the bottom from where A sits to where B sits, and notice B is further right.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":6,"points":[{"x":1,"y":2,"label":"A"},{"x":5,"y":2,"label":"B"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[1,2],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.8,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q216","notes":["Sub-type C (describe the move). Both points shown. S(3,1) to T(3,5): 4 up only. Distractors '4 right' (axis_misread), '4 down' wrong direction (axis_misread), '6 up' miscount (

1axis_misread)."],"prompt":{"stem":"Point S and point T are marked on the grid. How do you move from S to T?","spoken_prompt":"Point S and point T are marked on the grid. How do you move from point S to point T?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_4_up","label":"4 squares up"},{"id":"opt_4_right","label":"4 squares right","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_4_down","label":"4 squares down","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_6_up","label":"6 squares up","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_4_up"]},"hint_ladder":[{"step":1,"message":"If the x-coordinate is the same for both points, the move is only up or down."},{"step":2,"message":"Point S and point T are both at 3 across, so the move is vertical. Count the squares up the side line from where S sits to where T sits, and notice T is higher.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":6,"points":[{"x":3,"y":1,"label":"S"},{"x":3,"y":5,"label":"T"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[3,1],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.8,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q217","notes":["Sub-type B, TWO-AXIS, typed single integer asks the new ACROSS number after a left move (subtraction) with an up distractor move. Point W at (7, 2); move 5 left and 3 up -> across = 7-5 = 2. In-grid: across 2 >= 0, up 2+3=5 <= max_y 7."],"prompt":{"stem":"Point W is at (7, 2). Move it 5 squares left and 3 squares up. What is the new x-coordinate?","spoken_prompt":"Point W is at the coordinates 7, 2. Move it 5 squares left and 3 squares up. What is its new x-coordinate?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[2]},"hint_ladder":[{"step":1,"message":"Only the left move changes the x-coordinate, and moving left makes it smaller. The up move belongs to the y-coordinate."},{"step":2,"message":"Point W starts at 7 across. Count back 5 along the bottom line for the left move. The 3 squares up do not touch the x-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":8,"max_y":7,"points":[{"x":7,"y":2,"label":"W"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[7,2,5,3],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q218","notes":["Sub-type C (describe a DIAGONAL move between two shown points -> two parts). U(1,1) to V(5,4): 4 right and 3 up. Distractors swap the two numbers/axes: '3 right and 4 up' (swap), '4 left and 3 up' wrong horizontal direction (axis_misread), '4 right and 3 down' wrong vertical direction (axis_misread)."],"prompt":{"stem":"Point U and point V are marked on the grid. Which move takes you from U to V?","spoken_prompt":"Point U and point V are marked on the grid. Which move takes you from point U to point V?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_4r_3u","label":"4 right and 3 up"},{"id":"opt_swap_3r_4u","label":"3 right and 4 up","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_left_4l_3u","label":"4 left and 3 up","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_down_4r_3d","label":"4 right and 3 down","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_4r_3u"]},"hint_ladder":[{"step":1,"message":"A diagonal move is one sidew

1ays step and one up-or-down step. Work out the across change and the up change separately."},{"step":2,"message":"Point V is to the right of U and higher up. Count the squares across the bottom from U to V, then count the squares up the side from U's level to V's level.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":6,"points":[{"x":1,"y":1,"label":"U"},{"x":5,"y":4,"label":"V"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[1,1],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":true}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q219","notes":["Sub-type C (describe a diagonal move with a DOWN component). P(2,6) to Q(6,2): 4 right and 4 down. Distractors: swap is identical (both 4) so avoid swap; '4 right and 4 up' wrong vertical direction (axis_misread), '4 left and 4 down' wrong horizontal direction (axis_misread), '2 right and 4 down' miscount across (axis_misread)."],"prompt":{"stem":"Point P and point Q are marked on the grid. Which move takes you from P to Q?","spoken_prompt":"Point P and point Q are marked on the grid. Which move takes you from point P to point Q?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_4r_4d","label":"4 right and 4 down"},{"id":"opt_up_4r_4u","label":"4 right and 4 up","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_left_4l_4d","label":"4 left and 4 down","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_miscount_2r_4d","label":"2 right and 4 down","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_4r_4d"]},"hint_ladder":[{"step":1,"message":"Check whether the second point is left or right, and whether it is higher or lower. That gives the two directions of the move."},{"step":2,"message":"Point Q is to the right of P and lower down. Count the squares across from P to Q, then count the squares down from P's level to Q's level.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":8,"max_y":8,"points":[{"x":2,"y":6,"label":"P"},{"x":6,"y":2,"label":"Q"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,6],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":true}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q220","notes":["Sub-type C, NO visual: describe the move from given coordinates. From (2,3) to (6,6): 4 right and 3 up. Distractors: swap '3 right and 4 up' (swap); '4 right and 3 down' wrong vertical direction (axis_misread); '4 left and 3 up' wrong horizontal direction (axis_misread). Child must subtract coordinate pairs mentally -> genuine Y4 reasoning."],"prompt":{"stem":"A point moves from (2, 3) to (6, 6). Which move describes this translation?","spoken_prompt":"A point moves from the coordinates 2, 3 to the coordinates 6, 6. Which move describes this translation?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_4r_3u","label":"4 right and 3 up"},{"id":"opt_swap_3r_4u","label":"3 right and 4 up","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_down_4r_3d","label":"4 right and 3 down","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_left_4l_3u","label":"4 left and 3 up","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_4r_3u"]},"hint_ladder":[{"step":1,"message":"Compare the two x-coordinates to find the sidew

1ays move, then compare the two y-coordinates to find the up or down move."},{"step":2,"message":"The x-coordinate goes from 2 to 6, so work out that gap and which way it grows. The y-coordinate goes from 3 to 6, so work out that gap too.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":7,"max_y":7,"points":[{"x":2,"y":3,"label":"start"},{"x":6,"y":6,"label":"end"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,3,6,6],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":true}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q221","notes":["Sub-type C, NO visual, with a DOWN component: from (5,7) to (1,2): 4 left and 5 down. Distractors: swap '5 left and 4 down' (swap); '4 right and 5 down' wrong horizontal direction (axis_misread); '4 left and 5 up' wrong vertical direction (axis_misread)."],"prompt":{"stem":"A point moves from (5, 7) to (1, 2). Which move describes this translation?","spoken_prompt":"A point moves from the coordinates 5, 7 to the coordinates 1, 2. Which move describes this translation?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_4l_5d","label":"4 left and 5 down"},{"id":"opt_swap_5l_4d","label":"5 left and 4 down","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_right_4r_5d","label":"4 right and 5 down","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_up_4l_5u","label":"4 left and 5 up","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_4l_5d"]},"hint_ladder":[{"step":1,"message":"When both numbers get smaller, the point has moved left and down. Find each gap separately."},{"step":2,"message":"The x-coordinate drops from 5 to 1, so find that gap and which way it goes. The y-coordinate drops from 7 to 2, so find that gap too.","focus_misconception_tags":["coordinates_x_y_swapped"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":6,"max_y":8,"points":[{"x":5,"y":7,"label":"start"},{"x":1,"y":2,"label":"end"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[5,7,1,2],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":true}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q222","notes":["Sub-type B, TWO-AXIS, NO visual, larger numbers within a 10-grid for genuine Y4 challenge. From (3,4) move 6 right and 4 up -> (9, 8). In-grid: 3+6=9 <= 10, 4+4=8 <= 10. Swap (8,9); right-only (9,4); up-only (3,8)."],"prompt":{"stem":"A point is at (3, 4). It moves 6 squares right and 4 squares up. What are its new co

1ordinates?","spoken_prompt":"A point is at the coordinates 3, 4. It moves 6 squares right and 4 squares up. What are its new coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_9_8","label":"(9, 8)"},{"id":"opt_swap_8_9","label":"(8, 9)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_right_only_9_4","label":"(9, 4)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_up_only_3_8","label":"(3, 8)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_9_8"]},"hint_ladder":[{"step":1,"message":"Two moves change two numbers. The right move adds to the x-coordinate and the up move adds to the y-coordinate."},{"step":2,"message":"The point starts at 3 across and 4 up. Count on 6 from the x-coordinate, then count on 4 from the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":10,"max_y":9,"points":[{"x":3,"y":4,"label":"start"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"procedure_standard","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[3,4,6,4],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q223","notes":["Sub-type B framed as a real task (treasure on a map grid). TWO-AXIS, visual shows START only. Start X at (1, 2); move 6 right and 5 up -> (7, 7). In-grid: 1+6=7 <= max_x 9, 2+5=7 <= max_y 9. Swap (7,7) symmetric -- avoid, choose asymmetric: start X(1,2) 6 right 5 up -> (7,7) is symmetric. Reset: X(2,1); 6 right, 5 up -> (8, 6). In-grid: 2+6=8 <= 9, 1+5=6 <= 9. Swap (6,8); right-only (8,1); up-only (2,6)."],"prompt":{"stem":"A treasure chest starts at point X on the map grid at (2, 1). The map says move it 6 squares right and 5 squares up. What are the chest's new coordinates?","spoken_prompt":"A treasure chest starts at point X on the map grid at the coordinates 2, 1. The map says move it 6 squares right and 5 squares up. What are the chest's new coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_8_6","label":"(8, 6)"},{"id":"opt_swap_6_8","label":"(6, 8)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_right_only_8_1","label":"(8, 1)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_up_only_2_6","label":"(2, 6)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_8_6"]},"hint_ladder":[{"step":1,"message":"The right move and the up move each change a different number. Work them out one at a time."},{"step":2,"message":"Point X starts at 2 across and 1 up. Count on 6 from the x-coordinate, then count on 5 from the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":9,"max_y":9,"points":[{"x":2,"y":1,"label":"X"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,1,6,5],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q224","notes":["Sub-type C variant, typed single integer: 'how many squares across' between two shown points (asks the size of the across part of the move). Both points shown. C(1,5) to D(8,2): across change = 8-1 = 7 squares (to the right). Answer is the count 7. In-grid both valid (max_x 9, max_y 6). Re-derived: |8-1| = 7."],"prompt":{"stem":"Point C and point D are marked on the grid. How many squares to the right do you move to get from C to D? Type the number of squares.","spoken_prompt":"Point C and point D are marked on the grid. How many squares to the right do you move to get from point C to point D? Type the number of squares."},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[7]}

1,"hint_ladder":[{"step":1,"message":"The sideways part of the move only depends on the x-coordinates. Find the x-coordinate for each point."},{"step":2,"message":"Point C sits at 1 across and point D sits at 8 across. Count the squares along the bottom line from 1 up to where D sits.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":9,"max_y":6,"points":[{"x":1,"y":5,"label":"C"},{"x":8,"y":2,"label":"D"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[1,5],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.8,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q225","notes":["Sub-type B reverse-reasoning, NO visual: given the destination and the move, find the START. A point ends at (8, 6) after moving 3 right and 2 up. Start = (8-3, 6-2) = (5, 4). Requires inverting the translation -- genuine Y4 stretch. Distractors: opt added instead of subtracted (11,8) -> off-grid-as-option ok; swap (4,5); subtracted on wrong axes (6,3) i.e. 8-2 and 6-3."],"prompt":{"stem":"After moving 3 squares right and 2 squares up, a point lands on (8, 6). What were its starting coordinates?","spoken_prompt":"After moving 3 squares right and 2 squares up, a point lands on the coordinates 8, 6. What were its starting coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_5_4","label":"(5, 4)"},{"id":"opt_added_11_8","label":"(11, 8)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_swap_4_5","label":"(4, 5)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_wrong_axis_6_3","label":"(6, 3)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_5_4"]},"hint_ladder":[{"step":1,"message":"To find where a point started, undo the move. Moving right ended bigger, so going back means smaller."},{"step":2,"message":"The point finished at 8 across and 6 up. Count back 3 from the x-coordinate and count back 2 from the y-coordinate to step back to the start.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":9,"max_y":7,"points":[{"x":8,"y":6,"label":"end"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[3,2,8,6],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q226","notes":["Sub-type B two-step translation (two moves applied in sequence), visual shows START only. Point Z at (1, 1); first move 4 right and 2 up -> (5,3); then 2 right and 3 up -> (7, 6). Net: 6 right, 5 up from (1,1) -> (7,6). In-grid: across 1+6=7 <= max_x 9, up 1+5=6 <= max_y 9. Intermediate (5,3) also in-grid. Distractors: first-move-only (5,3); swap (6,7); net-on-across-only (7,1)."],"prompt":{"stem":"A counter is on point Z at (1, 1). First move it 4 right and 2 up, then move it 2 right and 3 up. What are its final coordinates?","spoken_prompt":"A counter is on point Z at the coordinates 1, 1. First move it 4 squares right and 2 squares up, then move it 2 squares right and 3 squares up. What are its final coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_7_6","label":"(7, 6)"},{"id":"opt_first_only_5_3","label":"(5, 3)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_swap_6_7","label":"(6, 7)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_across_only_7_1","label":"(7, 1)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_7_6"]},"hint_ladder":[{"step":1,"message":"Do the first move, then start the second move from where the counter has reached. Both moves go right and up."},{"step":2,"message":"Point Z starts at 1 across and 1 up. Add up all the right steps for the x-coordinate, then add up all the up steps for the y-coordinate.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":9,"max_y":9,"points":[{"x":1,"y":1,"label":"Z"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[1,1,4,2,2,3],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":0,"kind":"coord","isTranslate":false,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":1.8,"unscaffolded_eligible":true},{"id":"GEO.P4.M03.Q227","notes":["Sub-type C reverse-reasoning, NO visual, hardest: a translation of '5 left and 4 down' takes a point to (2, 1). Find the START. Start = (2+5, 1+4) = (7, 5). Undoing a left/down move means adding back. In-grid: 7 <= 10, 5 <= 10. Distractors: subtracted instead (negative avoided) -> use '3 left only' result; swap (5,7); undid one axis only (7,1) added across but not up. Final distractors: swap (5,7); only-across-undone (7,1);

1 wrong-direction-undo (-? ) replaced with (2+5, 1-... ) invalid -> use (3,5) where across undone wrongly as 2+? -> use partial (3,5)."],"prompt":{"stem":"A point is moved 5 squares left and 4 squares down. It lands on (2, 1). What were its starting coordinates?","spoken_prompt":"A point is moved 5 squares left and 4 squares down. It lands on the coordinates 2, 1. What were its starting coordinates?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_7_5","label":"(7, 5)"},{"id":"opt_swap_5_7","label":"(5, 7)","misconception_tags":["coordinates_x_y_swapped"]},{"id":"opt_across_only_7_1","label":"(7, 1)","misconception_tags":["coordinate_axis_misread"]},{"id":"opt_subtracted_3_5","label":"(3, 5)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["correct_7_5"]},"hint_ladder":[{"step":1,"message":"To find the start, undo the move. Moving left and down made the numbers smaller, so going back makes them bigger."},{"step":2,"message":"The point finished at 2 across and 1 up. Count on 5 from the x-coordinate and count on 4 from the y-coordinate to step back to the start.","focus_misconception_tags":["coordinate_axis_misread"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"coordinate_grid","max_x":8,"max_y":6,"points":[{"x":2,"y":1,"label":"end"}]},"form_variant":"standard","micro_skill_id":"GEO.P4.M03","representation":"multiple_choice","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["coordinates_x_y_swapped","coordinate_axis_misread"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[5,4,2,1],"has_visual":true,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axes":2,"kind":"coord","isTranslate":true,"isDescribeMove":false}},"typical_year_band_id":"year_4","task_complexity_score":2.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q100","notes":["Y4 pilot exemplar, raised in the GEO sweep (was bare recall of 90 degrees -- the easiest instance, the 'MD recall' too-easy pattern). Now the INVERSE mapping (degrees -> fraction of a turn), still inside this skill (connect full/half/quarter turns to degrees) but a genuine Y4 demand. mathematical_form fact_symbolic_retrieval -> symbolic_choice (reasoning, not cold recall). Re-derived: 270 of 360 = three-quarters -> three-quarter turn. Distractors: half (270 mapped to ~180), quarter (reversed 270->90), full (270 read as a whole turn) -- all turn_direction_confused."],"prompt":{"stem":"A shape turns 270 degrees. What fraction of a full turn is that?","spoken_prompt":"A shape turns through 270 degrees. What fraction of a full turn is that?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_three_quarter","label":"Three-quarter turn"},{"id":"opt_half","label":"Half turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_quarter","label":"Quarter turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_full","label":"Full turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_three_quarter"]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. Each quarter turn is 90 degrees. Count how many 90s fit into the degrees given."},{"step":2,"message":"Start from 90 degrees for one quarter and keep adding quarters: 90, 180, and so on.

1Count how many quarters reach 270.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[270],"has_visual":false,"representation":"multiple_choice","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q101","notes":["Y4 pilot exemplar, re-scoped in the GEO overshoot sweep (was 'one and a half full turns -> 540', which exceeds one full turn; the micro-skill connects full, half, and quarter turns to degrees INSIDE one turn). Now a TWO-STEP composite that stays within one full turn: a half turn (180) then a quarter turn (90), in an authentic wheel context, typed. Above bare recall but <= 360. Re-derived: 180 + 90 = 270. Common wrong answers a typed item could see (no options to tag): 90 (only counted the quarter), 180 (only counted the half), 54

10 (added a full turn instead of a quarter)."],"prompt":{"stem":"A wheel makes a half turn and then a quarter turn. How many degrees is that altogether?","spoken_prompt":"A wheel makes a half turn and then a quarter turn. How many degrees does it turn through altogether?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[270]},"hint_ladder":[{"step":1,"message":"A half turn is 180 degrees and a quarter turn is 90 degrees. The wheel does both, one after the other."},{"step":2,"message":"Add the half turn of 180 degrees to the quarter turn of 90 degrees to find the whole amount.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"guided","complexity_band":2,"difficulty_rank":5,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":2.2,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q102","notes":["Y4 pilot exemplar. Template: turn-to-degrees fact with a visual (form fact_symbolic_retrieval x turn x single_select). The 'turn' visual draws a three-quarter rotation clockwise; the stem does NOT state the turn size (the picture shows it), so the child reads the picture then gives its degrees -- a valid use of the renderer per data/curriculum/CLAUDE.md ('never use when the stem already states the turn size'). Distractors: 90 (read it as a quarter), 180 (read it as a half), 360 (read it as a full turn). Re-derived: three-quarter turn = 3 x 90 = 270.","2026-07-11: Reworded awkward 'How many degrees does this turn show?' to 'How many degrees is this turn?' (a turn doesn't 'show' degrees). Spoken already read naturally; answer unchanged (270)."],"prompt":{"stem":"How many degrees is this turn?","spoken_prompt":"Look at the turn shown. How many degrees does it turn through?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_270","label":"270 degrees"},{"id":"opt_90","label":"90 degrees","misconception_tags":["turn_direction_confused"]},{"id":"opt_180","label":"180 degrees","misconception_tags":["turn_direction_confused"]},{"id":"opt_360","label":"360 degrees","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_270"]},"hint_ladder":[{"step":1,"message":"Count the quarter turns in the picture. Each quarter turn is 90 degrees."},{"step":2,"message":"The pointer sweeps three quarters of the way round. Add 90 degrees for each quarter: 90, then 90, then 90.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","visual_data":{"turn":"three_quarter","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"three_quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true}

1,{"id":"GEO.P4.M05.Q200","notes":["Name-the-turn from the picture (low end). The 'turn' visual draws a quarter turn clockwise; the stem does not state the turn size, so the child reads the picture and names it. Re-derived: a quarter of the way round = quarter turn. Distractors: half/three-quarter (read the sweep wrongly), tagged turn_direction_confused."],"prompt":{"stem":"A spinner's arrow moves as shown. What size turn is this?","spoken_prompt":"A spinner's arrow moves as shown. What size turn is this?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_quarter","label":"Quarter turn"},{"id":"opt_half","label":"Half turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_three_quarter","label":"Three-quarter turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_quarter"]},"hint_ladder":[{"step":1,"message":"A full turn goes all the way round and splits into four equal parts. Each part covers the same amount of the way round."},{"step":2,"message":"Look at how far the arrow has swept round. Compare it to a whole turn and decide what part of the way round it has reached.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"quarter","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q201","notes":["Name-the-turn from the picture. The 'turn' visual draws a half turn clockwise; the stem does not state the turn size. Re-derived: halfway round = half turn. Distractors: quarter/three-quarter, tagged turn_direction_confused."],"prompt":{"stem":"A clock hand sweeps round as shown. What size turn is this?","spoken_prompt":"A clock hand sweeps round as shown. What size turn is this?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_half","label":"Half turn"},{"id":"opt_quarter","label":"Quarter turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_three_quarter","label":"Three-quarter turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_half"]},"hint_ladder":[{"step":1,"message":"A full turn goes all the way round and back to the start. Compare how far the hand goes against that whole distance."},{"step":2,"message":"Check whether the hand has gone halfway round the clock face or only part of the way. Compare its end point to a full turn.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"half","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"half"}},"typical_year_band_id":"year_5","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q202","notes":["Name-the-turn from the picture. The 'turn' visual draws a three-quarter turn anticlockwise; the stem does not state the turn size. Re-derived: three of the four quarters = three-quarter turn. Distractors: quarter/half, tagged turn_direction_confused."],"prompt":{"stem":"A windmill sail turns as shown. What size turn is this?","spoken_prompt":"A windmill sail turns as shown. What size turn is this?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_three_quarter","label":"Three-quarter turn"},{"id":"opt_quarter","label":"Quarter turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_half","label":"Half turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_three_quarter"]},"hint_ladder":[{"step":1,"message":"A full turn splits into four equal quarter turns. Count how many quarter turns the sail has moved through."},{"step":2,"message":"Follow the sail from its start to its end and count the quarters it passes. Decide whether it c

1overs one, two, or three of them.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"three_quarter","type":"turn","start":"up","direction":"anticlockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"three_quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q203","notes":["Direction-from-picture (clockwise vs anticlockwise). The 'turn' visual draws a quarter turn clockwise starting facing up; the stem asks for the direction. Re-derived: the arrow rotates the same way as clock hands = clockwise. Wrong choice 'Anticlockwise' tagged turn_direction_confused."],"prompt":{"stem":"A figure turns a quarter turn as shown. Which way does it turn?","spoken_prompt":"A figure turns a quarter turn as shown. Which way does it turn?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_clockwise","label":"Clockwise"},{"id":"opt_anticlockwise","label":"Anticlockwise","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_clockwise"]},"hint_ladder":[{"step":1,"message":"One turning direction follows the way the hands of a clock move; the other goes the opposite way round the dial."},{"step":2,"message":"Picture which way the arrow swept round. Decide whether it went the same way as a clock's hands or the other way, then match your answer to that.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"quarter","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":1,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.3,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q204","notes":["Direction-from-picture, anticlockwise case. The 'turn' visual draws a half turn anticlockwise; the stem asks for the direction. Re-derived: rotates opposite to clock hands = anticlockwise. Wrong choice 'Clockwise' tagged turn_direction_confused."],"prompt":{"stem":"A dancer makes a half turn as shown. Which way does she turn?","spoken_prompt":"A dancer makes a half turn as shown. Which way does she turn?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_anticlockwise","label":"Anticlockwise"},{"id":"opt_clockwise","label":"Clockwise","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_anticlockwise"]},"hint_ladder":[{"step":1,"message":"One turning direction follows the way the hands of a clock move; the other goes the opposite way round the dial."},{"step":2,"message":"Trace the dancer's path round. Decide whether it went the same way as a clock's hands or against them, then match your answer to that.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"half","type":"turn","start":"up","direction":"anticlockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":1,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"half"}},"typical_year_band_id":"year_5","task_complexity_score":1.3,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q205","notes":["Turn-picture to DEGREES. The 'turn' visual draws a quarter turn clockwise; the stem does not state the size, so the child reads the picture and gives its degrees. Re-derived: quarter turn = 90 degrees. Distractors: 180 (read as half), 270 (read as three-quarter), tagged turn_direction_confused."],"prompt":{"stem":"A door swings open as shown. How many degrees does it turn through?","spoken_prompt":"A door swings open as shown. How many degrees does it turn through?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_90","label":"90 degrees"},{"id":"opt_180","label":"180 degrees","misconception_tags":["turn_direction_confused"]},{"id":"opt_270","label":"270 degrees","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_90"]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. It splits into four equal quarter turns of the same size each."},{"step":2,"message":"First decide what fraction of a full turn the door makes. Then share 360 degrees between the four quarters to

1size one of them.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"quarter","type":"turn","start":"left","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q206","notes":["Turn-picture to DEGREES. The 'turn' visual draws a half turn clockwise; the stem does not state the size. Re-derived: half turn = 180 degrees. Distractors: 90 (read as quarter), 270 (read as three-quarter), tagged turn_direction_confused."],"prompt":{"stem":"A compass needle swings round as shown. How many degrees does it turn through?","spoken_prompt":"A compass needle swings round as shown. How many degrees does it turn through?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_180","label":"180 degrees"},{"id":"opt_90","label":"90 degrees","misconception_tags":["turn_direction_confused"]},{"id":"opt_270","label":"270 degrees","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_180"]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. A half turn covers exactly half of a full turn."},{"step":2,"message":"Check that the needle has gone halfway round. Then take half of 360 degrees to find how far that is.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"half","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"half"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q207","notes":["Turn-picture to DEGREES, harder read (three-quarter). The 'turn' visual draws a three-quarter turn clockwise; the stem does not state the size. Re-derived: three-quarter turn = 3 x 90 = 270 degrees. Distractors: 90 (counted one quarter), 180 (counted two quarters), 360 (read as a full turn), tagged turn_direction_confused."],"prompt":{"stem":"A fairground ride turns as shown. How many degrees does it turn through?","spoken_prompt":"A fairground ride turns as shown. How many degrees does it turn through?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_270","label":"270 degrees"},{"id":"opt_90","label":"90 degrees","misconception_tags":["turn_direction_confused"]},{"id":"opt_180","label":"180 degrees","misconception_tags":["turn_direction_confused"]},{"id":"opt_360","label":"360 degrees","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_270"]},"hint_ladder":[{"step":1,"message":"Each quarter turn is 90 degrees. A three-quarter turn is made of three of these quarter turns."},{"step":2,"message":"Count the quarter turns the ride sweeps through, then add 90 degrees for each one: 90, then 90, then 90.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"three_quarter","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"three_quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q208","notes":["Quarter-turn-makes-a-right-angle, FROM A PICTURE. The 'turn' visual draws a quarter turn clockwise; the stem asks which angle the turn makes. Re-derived: a quarter turn is a right angle (90 degrees). Wrong choice 'A straight angle' is two right angles -- tagged right_angle_not_recognised; 'A full angle' tagged turn_direction_confused."],"prompt":{"stem":"A robot makes the quarter turn shown. Which kind of angle does this turn make?","spoken_prompt":"A robot makes the quarter turn shown. Which kind of angle does this turn make?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_right_angle","label":"A right angle"},{"id":"opt_straight_angle","label":"A straight angle","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_full_angle","label":"A full angle","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_right_angle"]},"hint_ladder":[{"step":1,"message":"A square corner, like the corner of a book or a window, measures 90 degrees."},{"step":2,"message":"Work out how many degrees a quarter turn opens. Then match that to the angle that makes a square corner.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"turn":"quarter","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"support","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q209","notes":["Turn-picture to FRACTION of a full turn. The 'turn' visual draws a quarter turn anticlockwise; the stem does not state the size. Re-derived: a quarter of the way round = one quarter of a full turn. Distractors: half, three-quarter, tagged turn_direction_confused."],"prompt":{"stem":"A key turns in a lock as shown. What fraction of a full turn is this?","spoken_prompt":"A key turns in a lock as shown. What fraction of a full turn is this?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_quarter","label":"One quarter"},{"id":"opt_half","label":"One half","misconception_tags":["turn_direction_confused"]},{"id":"opt_three_quarter","label":"Three quarters","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_quarter"]},"hint_ladder":[{"step":1,"message":"A full turn can be split into four equal parts. Each part is the same share of the whole turn."}

1,{"step":2,"message":"See how far round the key goes compared with a whole turn. Decide how many of the four equal parts it covers.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"turn":"quarter","type":"turn","start":"up","direction":"anticlockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q210","notes":["Turn-picture to FRACTION of a full turn, three-quarter case. The 'turn' visual draws a three-quarter turn clockwise; the stem does not state the size. Re-derived: three of four quarters = three quarters of a full turn. Distractors: one quarter, one half, tagged turn_direction_confused."],"prompt":{"stem":"A big wheel rotates as shown. What fraction of a full turn is this?","spoken_prompt":"A big wheel rotates as shown. What fraction of a full turn is this?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_three_quarter","label":"Three quarters"},{"id":"opt_quarter","label":"One quarter","misconception_tags":["turn_direction_confused"]},{"id":"opt_half","label":"One half","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_three_quarter"]},"hint_ladder":[{"step":1,"message":"A full turn has four equal quarters. Count how many quarters the wheel moves through."},{"step":2,"message":"Follow the wheel from start to finish and count the quarters it passes. Write that count out of the four quarters in a whole turn.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"turn":"three_quarter","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":"three_quarter"}},"typical_year_band_id":"year_5","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q211","notes":["Direction-MATTERS reasoning with a picture. The 'turn' visual draws a quarter turn clockwise starting facing up; the stem asks where the pointer ends up. Re-derived: a quarter turn clockwise from up lands facing right. Distractors: facing left (turned anticlockwise instead -> turn_direction_confused), facing down (half turn instead -> turn_direction_confused)."],"prompt":{"stem":"A pointer starts facing up and makes the quarter turn shown. Which way does it face at the end?","spoken_prompt":"A pointer starts facing up and makes the quarter turn shown. Which way does it face at the end?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_right","label":"Facing right"},{"id":"opt_left","label":"Facing left","misconception_tags":["turn_direction_confused"]},{"id":"opt_down","label":"Facing down","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_right"]},"hint_ladder":[{"step":1,"message":"A quarter turn clockwise moves a pointer one step round in the direction the clock hands go."},{"step":2,"message":"Start with the pointer facing up. Turn it one quarter the same way the clock hands move and see which side it points to.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"visual_data":{"turn":"quarter","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"light","complexity_band":1,"difficulty_rank":1,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.3,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q212","notes":["Direction-MATTERS reasoning with a picture, three-quarter case. The 'turn' visual draws a three-quarter turn clockwise starting facing up; the stem asks the end heading. Re-derived: three-quarter turn clockwise from up = 270 degrees clockwise -> lands facing left. Distractors: facing right (only a quarter -> turn_direction_confused), facing down (only a half -> turn_direction_confused)."],"prompt":{"stem":"A toy car points up, then makes the three-quarter turn shown. Which way does it point now?","spoken_prompt":"A toy car points up, then makes the three-quarter turn shown. Which way does it point now?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_left","label":"Pointing left"},{"id":"opt_right","label":"Pointing right","misconception_tags":["turn_direction_confused"]},{"id":"opt_down","label":"Pointing down","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_left"]},"hint_ladder":[{"step":1,"message":"A three-quarter turn moves through three quarter turns, one after another, all the same way round."},{"step":2,"message":"Start the car facing up. Step it round one quarter at a time, clockwise, three times, and check the heading after each quarter.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"visual_data":{"turn":"three_quarter","type":"turn","start":"up","direction":"clockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.6,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q213","notes":["Turn-picture to DEGREES, typed (no options). The 'turn' visual draws a three-quarter turn anticlockwise; the stem does not state the size, child reads the picture and types the degrees. Re-derived: three-quarter turn = 3 x 90 = 270 degrees. Likely wrong typed answers (no tags possible): 90 (one quarter), 180 (two quarters), 360 (a full turn)."],"prompt":{"stem":"A weather vane swings round as shown. Type how many degrees it turns through.","spoken_prompt":"A weather vane swings round as shown. Type how many degrees it turns through."},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[270]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees, split into four quarter turns of 90 degrees each."},{"step":2,"message":"Count the quarter turns the vane sweeps through, then add 90 degrees for each quarter you counted.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"visual_data":{"turn":"three_quarter","type":"turn","start":"up","direction":"anticlockwise"},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q214","notes":["Fraction -> degrees, no visual, single landmark. Re-derived: a quarter of a full turn = 90 degrees. Typed; likely wrong answers: 180 (took a half), 45 (halved 90), 360 (gave the whole turn)."],"prompt":{"stem":"A quarter of a full turn is how many degrees?","spoken_prompt":"A quarter of a full turn is how many degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[90]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees and splits into four equal quarter turns."},{"step":2,"message":"Share 360 degrees equally between the four quarters to find the size of just one quarter.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q215","notes":["Fraction -> degrees, no visual, half turn. Re-derived: half of a full turn = 180 degrees. Typed; likely wrong answers: 90 (gave a quarter), 360 (gave the whole turn), 270 (three-quarters)."],"prompt":{"stem":"A skater spins a half turn. How many degrees is a half turn?","spoken_prompt":"A skater spins a half turn. How many degrees is a half turn?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[180]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. A half turn is exactly half of a full turn."},{"step":2,"message":"Take 360 degrees and split it into two equal halves. The size of one half is the half turn.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q216","notes":["Fraction -> degrees, no visual, three-quarter (multi-step). Re-derived: three quarters of 360 = 3 x 90 = 270 degrees. Typed; likely wrong answers: 90 (one quarter), 180 (two quarters / a half), 360 (whole turn)."],"prompt":{"stem":"Three quarters of a full turn is how many degrees?","spoken_prompt":"Three quarters of a full turn is how many degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[270]},"hint_ladder":[{"step":1,"message":"One quarter of a full turn is 90 degrees. Three quarters means three of those quarter turns together."},{"step":2,"message":"Add 90 degrees three times, once for each quarter, to find three quarters of the whole turn.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q217","notes":["Full-turn degrees, NO VISUAL (360 has no renderer by rule). Re-derived: a full turn is 360 degrees. Typed; likely wrong answers: 180 (half), 270 (three-quarter), 90 (quarter)."],"prompt":{"stem":"A roundabout spins all the way round once. How many degrees is one full turn?","spoken_prompt":"A roundabout spins all the way round once. How many degrees is one full turn?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[360]},"hint_ladder":[{"step":1,"message":"A full turn brings something all the way round until it faces its starting direction again."},{"step":2,"message":"A full turn is made of four quarter turns. Each quarter is 90 degrees, so add 90 four times.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representa

1tion":"missing_number","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q218","notes":["Degrees -> FRACTION of a full turn, no visual (inverse mapping). Re-derived: 180 of 360 = one half. Distractors: one quarter (read 180 as 90 -> turn_direction_confused), three quarters (read 180 as 270 -> turn_direction_confused), a full turn (read 180 as 360 -> turn_direction_confused)."],"prompt":{"stem":"A gymnast turns through 180 degrees. What fraction of a full turn is that?","spoken_prompt":"A gymnast turns through 180 degrees. What fraction of a full turn is that?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_half","label":"One half"},{"id":"opt_quarter","label":"One quarter","misconception_tags":["turn_direction_confused"]},{"id":"opt_three_quarter","label":"Three quarters","misconception_tags":["turn_direction_confused"]},{"id":"opt_full","label":"A full turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_half"]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. Each quarter turn adds 90 degrees: 90, 180, 270, 360."},{"step":2,"message":"Find where 180 degrees sits on that list of quarters. Then say how many of the four quarters that reaches.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[180],"has_visual":false,"representation":"multiple_choice","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q219","notes":["Degrees -> FRACTION of a full turn, no visual, three-quarter case. Re-derived: 270 of 360 = three quarters. Distractors: one quarter (read 270 as 90), one half (read 270 as 180), a full turn (read 270 as 360) -- all turn_direction_confused."],"prompt":{"stem":"A planet model rotates through 270 degrees. What fraction of a full turn is that?","spoken_prompt":"A planet model rotates through 270 degrees. What fraction of a full turn is that?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_three_quarter","label":"Three quarters"},{"id":"opt_quarter","label":"One quarter","misconception_tags":["turn_direction_confused"]},{"id":"opt_half","label":"One half","misconception_tags":["turn_direction_confused"]},{"id":"opt_full","label":"A full turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_three_quarter"]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. Each quarter turn is 90 degrees: 90, 180, 270, 360."},{"step":2,"message":"Count how many 90s reach 270 degrees. Then write that count out of the four quarters in a whole turn.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"fact_core","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[270],"has_visual":false,"representation":"multiple_choice","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q220","notes":["Quarter-turn-makes-a-right-angle, NO VISUAL. Re-derived: a quarter turn = 90 degrees = a right angle. Distractors: a straight angle (a half turn, two right angles -> right_angle_not_recognised), an acute angle (smaller than a right angle -> right_angle_not_recognised)."],"prompt":{"stem":"A door handle makes a quarter turn. Which type of angle does a quarter turn make?","spoken_prompt":"A door handle makes a quarter turn. Which type of angle does a quarter turn make?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_right_angle","label":"A right angle"},{"id":"opt_straight_angle","label":"A straight angle","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_acute_angle","label":"An acute angle","misconception_tags":["right_angle_not_recognised"]}],"selection_mode":"single","correct_option_ids":["correct_right_angle"]},"hint_ladder":[{"step":1,"message":"A square corner, found on a book or a window frame, measures 90 degrees."},{"step":2,"message":"Work out how many degrees a quarter turn is, then match that size to the angle that makes a square corner.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"stretch","question_family":"fact_retrieval","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q221","notes":["Right-angle reasoning, NO VISUAL: how many right angles in a given turn. Re-derived: a three-quarter turn = 270 degrees = three right angles (270 / 90 = 3). Distractors: two (counted a half turn -> right_angle_not_recognised), four (counted a full turn -> right_angle_not_recognised)."],"prompt":{"stem":"A crane arm makes a three-quarter turn. How many right angles does it turn through?","spoken_prompt":"A crane arm makes a three-quarter turn. How many right angles does it turn through?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_three","label":"Three right angles"},{"id":"opt_two","label":"Two right angles","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_four","label":"Four right angles","misconception_tags":["right_angle_not_recognised"]}],"selection_mode":"single","correct_option_ids":["correct_three"]},"hint_ladder":[{"step":1,"message":"One right angle is the same as one quarter turn, which is 90 degrees."},{"step":2,"message":"A three-quarter turn is made of quarter turns. Count how many quarter turns it contains, as each one is a right angle.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"light","complexity_band":2,"difficulty_rank":5,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"light","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q222","notes":["Compose two turns -> degrees, typed, stays <= 360 and lands on a multiple of 90. Re-derived: quarter (90) + quarter (90) = 180 degrees (a half turn). Likely wrong answers: 90 (counted one quarter), 360 (added a whole turn), 45 (halved a quarter).","2026-07-11: Added 'the same way round' to the on-screen stem so it carries the same information as the spoken prompt. Total is direction-independent; answer unchanged (180)."],"prompt":{"stem":"A robot makes two quarter turns, one after the other, the same way round. How many degrees has it turned in total?","spoken_prompt":"A robot makes two quarter turns, one after the other, the same way round. How many degrees has it turned in total?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[180]},"hint_ladder":[{"step":1,"message":"Each quarter turn is 90 degrees. The robot makes two quarter turns, one after the other."},{"step":2,"message":"Add the first quarter turn of 90 degrees to the second quarter turn of 90 degrees to find the total.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"light","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q223","notes":["Compose two turns -> degrees, typed, <= 360 on a multiple of 90. Re-derived: quarter (90) + half (180) = 270 degrees (a three-quarter turn). Likely wrong answers: 180 (only the half), 90 (only the quarter), 360 (added a full turn)."],"prompt":{"stem":"A spinner makes a quarter turn and then a half turn. How many degrees does it turn through altogether?","spoken_prompt":"A spinner makes a quarter turn and then a half turn. How many degrees does it turn through altogether?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[270]},"hint_ladder":[{"step":1,"message":"A quarter turn is 90 degrees and a half turn is 180 degrees. The spinner does both, one after the other."},{"step":2,"message":"Add the quarter turn of 90 degrees to the half turn of 180 degrees to find the whole amount it sweeps.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"light","complexity_band":2,"difficulty_rank":5,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":2.2,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q224","notes":["Compose two turns -> degrees, typed, lands exactly on a full turn (<= 360). Re-derived: half (180) + half (180) = 360 degrees (a full turn). Likely wrong answers: 180 (only one half), 270 (miscounted), 540 (forbidden over-shoot if a child adds an extra half -- a wrong answer, not accepted)."],"prompt":{"stem":"A turntable makes two half turns, one after the other. How many degrees is that in total?","spoken_prompt":"A turntable makes two half turns, one after the other. How many degrees does it turn through in total?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[360]},"hint_ladder":[{"step":1,"message":"Each half turn is 180 degrees. The turntable makes two half turns, one straight after the other."},{"step":2,"message":"Add the first half turn of 180 degrees to the second half turn of 180 degrees to find how far it goes round.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"light","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q225","notes":["Compose two turns -> NAME the resulting turn, no visual. Re-derived: quarter (90) + quarter (90) = 180 degrees = a half turn. Distractors: quarter turn (only added one -> turn_direction_confused), three-quarter turn (added one too many -> turn_direction_confused), full turn (counted four quarters -> turn_direction_confused)."],"prompt":{"stem":"A screen image makes two quarter turns. Which single turn matches the total?","spoken_prompt":"A screen image makes two quarter turns, one after the other. Which single turn matches the total?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_half","label":"A half turn"},{"id":"opt_quarter","label":"A quarter turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_three_quarter","label":"A three-quarter turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_full","label":"A full turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_opti

1on_ids":["correct_half"]},"hint_ladder":[{"step":1,"message":"Each quarter turn is 90 degrees. Two of them join together into one bigger turn."},{"step":2,"message":"Add the two quarter turns in degrees, then match that total to a quarter, half, three-quarter, or full turn.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"light","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.4,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q226","notes":["Compose two turns -> NAME the result, no visual, reaches a full turn (<= 360). Re-derived: half (180) + half (180) = 360 degrees = a full turn. Distractors: half turn (only one half -> turn_direction_confused), three-quarter turn (miscount -> turn_direction_confused), quarter turn (far too small -> turn_direction_confused)."],"prompt":{"stem":"A merry-go-round makes a half turn and then a half turn again. Which single turn matches the total?","spoken_prompt":"A merry-go-round makes a half turn and then a half turn again. Which single turn matches the total?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_full","label":"A full turn"},{"id":"opt_half","label":"A half turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_three_quarter","label":"A three-quarter turn","misconception_tags":["turn_direction_confused"]},{"id":"opt_quarter","label":"A quarter turn","misconception_tags":["turn_direction_confused"]}],"selection_mode":"single","correct_option_ids":["correct_full"]},"hint_ladder":[{"step":1,"message":"A half turn is 180 degrees. Two half turns follow on, one after the other, the same way round."},{"step":2,"message":"Add the two half turns in degrees, then match the total to a quarter, half, three-quarter, or full turn.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"light","complexity_band":2,"difficulty_rank":5,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"light","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.9,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q227","notes":["Hardest item: compose-back / inverse reasoning, typed. After a quarter turn (90), how many more degrees reach a full turn (360)? Re-derived: 360 - 90 = 270 degrees (the remaining three-quarter turn). Stays within one full turn. Likely wrong answers: 90 (named the quarter again), 180 (a half), 360 (forgot to subtract the quarter already done)."],"prompt":{"stem":"A clock hand has made a quarter turn. How many more degrees complete a full turn?","spoken_prompt":"A clock hand has already made a quarter turn. How many more degrees must it turn to complete a full turn?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[270]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. The hand has already swept one quarter turn of 90 degrees."},{"step":2,"message":"Take the 90 degrees already turned away from the full 360 degrees to find how much is still left.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"stretch","suitability":{"review":false,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"light","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"reasoning","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P4.M05.Q301","prompt":{"stem":"A figure skater spins through three quarter turns during one jump. How many degrees does she turn through in total?","spoken_prompt":"A figure skater spins through three quarter turns during one jump. How many degrees does she turn through altogether?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[270]},"hint_ladder":[{"step":1,"message":"A quarter turn is 90 degrees. She makes three of them, one after another."},{"step":2,"message":"Add 90 degrees three times: 90, then 90 more, then 90 more.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"guided","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"typed_numeric","mathematical_form":"context_calculation","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"context_calculation","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn"}},"typical_year_band_id":"year_5","task_complexity_score":1.9},{"id":"GEO.P4.M05.Q302","prompt":{"stem":"Zara says two half turns make 270 degrees. Is she right?","spoken_prompt":"Zara says that two half turns make 270 degrees in total. Is she right?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_yes","label":"Yes","misconception_tags":["turn_direction_confused"]},{"id":"opt_no","label":"No"}],"selection_mode":"single","correct_option_ids":["opt_no"]},"hint_ladder":[{"step":1,"message":"A half turn is 180 degrees. Think about what tw

1o of them add up to."},{"step":2,"message":"Add 180 degrees and 180 degrees together, then compare your total with the 270 degrees Zara suggested.","focus_misconception_tags":["turn_direction_confused"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":false},"micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"misconception_contrast_probe","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"misconception_contrast_probe","strand":"geometry","universal":{"numbers":[270],"has_visual":false,"representation":"multiple_choice","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"turn","claimed":270,"claimWrong":true}},"typical_year_band_id":"year_5","task_complexity_score":2.05},{"id":"GEO.P4.M05.Q303","prompt":{"stem":"A fairground wheel makes one full turn and then a half turn. How many degrees has it turned altogether?","spoken_prompt":"A fairground wheel makes one full turn and then a half turn. How many degrees has it turned altogether?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[540]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. A half turn is half of that."},{"step":2,"message":"Work out the degrees for the full turn and the half turn separately, then add them together."}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"micro_skill_id":"GEO.P4.M05","representation":"missing_number","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"typed_numeric","mathematical_form":"fact_symbolic_retrieval","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"fact_symbolic_retrieval","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"missing_number","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"turn":null}},"typical_year_band_id":"year_5","task_complexity_score":2.2},{"id":"GEO.P4.M05.Q304","prompt":{"stem":"A propeller blade rotates through a half turn. A fan blade rotates through three quarters of a full turn. Which blade turns through more degrees, the propeller or the fan?","spoken_prompt":"A propeller blade rotates through a half turn. A fan blade rotates through three quarters of a full turn. Which one turns through more degrees? The propeller blade, or the fan blade?"},"source":"ai_draft","status":"approved","phase_id":"geo_position_direction_and_coordinates_foundations","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_propeller","label":"Propeller blade","misconception_tags":["turn_direction_confused"]},{"id":"opt_fan","label":"Fan blade"}],"selection_mode":"single","correct_option_ids":["opt_fan"]},"hint_ladder":[{"step":1,"message":"A full turn is 360 degrees. Work out the degrees for each turn before comparing."},{"step":2,"message":"A half turn is half of 360. Three quarters of a turn is three lots of a quarter turn. Which is more?"}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":false},"micro_skill_id":"GEO.P4.M05","representation":"multiple_choice","scaffold_level":"guided","complexity_band":2,"difficulty_rank":5,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"comparison_statement","misconception_tags":["turn_direction_confused"],"difficulty_features":{"form":"comparison_statement","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"soleAngle":null}},"typical_year_band_id":"year_5","task_complexity_score":1.7},{"id":"GEO.P5.M01.Q100","notes":["WAVE-2 pilot exemplar: angle_diagram, single angle clearly SMALLER than a right angle (50 degrees). 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Is the angle between the clock hands at 2 o'clock bigger than, smaller than, or the same as a right angle?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_smaller","label":"Smaller than a right angle"},{"id":"opt_same","label":"The same as a right angle","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_bigger","label":"Bigger than a right angle","misconception_tags":["angle_size_linked_to_line_length"]}],"selection_mode":"single","correct_option_ids":["correct_smaller"]},"hint_ladder":[{"step":1,"message":"A right angle is exactly a quarter turn â like the hands make at 3 o'clock."},{"step":2,"message":"At 2 o'clock, the hour hand hasn't travelled as far roun

1d the clock face as it has at 3 o'clock. Compare the gap between the hands with a square corner, like the corner of a book. Is the gap wider or narrower than that corner?","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"hour":2,"type":"clock","minute":0},"micro_skill_id":"GEO.P5.M01","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"comparison_statement","misconception_tags":["right_angle_not_recognised","angle_size_linked_to_line_length"],"difficulty_features":{"form":"comparison_statement","strand":"geometry","universal":{"numbers":[3,2,3,2],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"soleAngle":null}},"typical_year_band_id":"year_3","task_complexity_score":1.6},{"id":"GEO.P5.M01.Q303","prompt":{"stem":"A table corner makes exactly a right angle. A book opened flat on a desk makes a much wider angle. Which is bigger than a right angle â the table corner or the open book?","spoken_prompt":"A table corner makes exactly a right angle. A book opened flat on a desk makes a much wider angle. Which one is bigger than a right angle? The table corner, or the open book?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_table","label":"The table corner","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_book","label":"The open book"}],"selection_mode":"single","correct_option_ids":["opt_book"]},"hint_ladder":[{"step":1,"message":"A right angle is a square corner â exactly a quarter turn, no more and no less."},{"step":2,"message":"The table corner IS that square corner, so it can't be bigger than a right angle. Think about how much wider the book opens compared with a square corner.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"micro_skill_id":"GEO.P5.M01","representation":"comparison","scaffold_level":"light","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"comparison_statement","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"comparison_statement","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"comparison","scaffold_level":"light","unknown_position":"none","presentation_style":"choice"},"form_specific":{"soleAngle":null}},"typical_year_band_id":"year_3","task_complexity_score":1.8},{"id":"GEO.P5.M01.Q304","prompt":{"stem":"Two angles are drawn next to each other, labelled A and B. Which one is a right angle â A or B?","spoken_prompt":"Two angles are drawn next to each other and labelled A and B. Which one is a right angle?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_a","label":"A"},{"id":"opt_b","label":"B","misconception_tags":["right_angle_not_recognised"]}],"selection_mode":"single","correct_option_ids":["opt_a"]},"hint_ladder":[{"step":1,"message":"A right angle looks like a square corner â the same shape as the corner of a piece of paper."},{"step":2,"message":"Compare the shape of A's opening and B's opening with a square corner. The one whose opening fits a square corner exactly is the right angle.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"A","degrees":90},{"label":"B","degrees":55}],"baseline":"none"},"micro_skill_id":"GEO.P5.M01","representation":"visual_model","scaffold_level":"light","complexity_band":3,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"shape_property","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"shape_property","strand":"geometry","universal":{"numbers":[90,55],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"shape":null,"isCommon":false,"askingForCount":false,"askingForChoice":false}},"typical_year_band_id":"year_3","task_complexity_score":3},{"id":"GEO.P5.M02.Q100","notes":["WAVE-2 pilot exemplar: angle_diagram on a straight line. Given angle labelled 130 degrees, the other marked unknown. Child computes 180 minus 130; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 130 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[50]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 130. Take 130 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"130Â°","degrees":130},{"degrees":50,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[130],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":130}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q101","notes":["WAVE-2 pilot exemplar: angle_diagram on a straight line. Given angle labelled 110 degrees, the other marked unknown. Child computes 180 minus 110; typed. Different numbers from Q100."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 110 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[70]},"hint_ladder":[{"step":1,"message":"Angles that sit together on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 110. Take 110 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"label":"110Â°","degrees":110},{"degrees":70,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[110],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":110}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q102","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 40 degrees, the other marked unknown. Child computes 180 minus 40 = 140; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 40 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[140]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 40. Take 40 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"40Â°","degrees":40},{"degrees":140,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":1,"difficulty_tier":"support","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[40],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":40}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q103","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 60 degrees, the other marked unknown. Child computes 180 minus 60 = 120; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 60 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[120]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 60. Take 60 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"60Â°","degrees":60},{"degrees":120,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":1,"difficulty_tier":"support","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[60],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":60}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q104","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 100 degrees, the other marked unknown. Child computes 180 minus 100 = 80; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 100 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[80]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 100. Take 100 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"100Â°","degrees":100},{"degrees":80,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[100],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":100}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q105","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 120 degrees, the other marked unknown. Child computes 180 minus 120 = 60; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 120 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[60]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 120. Take 120 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"120Â°","degrees":120},{"degrees":60,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[120],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":120}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q106","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 45 degrees, the other marked unknown. Child computes 180 minus 45 = 135; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 45 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[135]},"hint_ladder":[

1{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 45. Take 45 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"45Â°","degrees":45},{"degrees":135,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"light","complexity_band":3,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[45],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":45}},"typical_year_band_id":"year_5","task_complexity_score":2.5,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q107","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 135 degrees, the other marked unknown. Child computes 180 minus 135 = 45; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 135 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[45]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 135. Take 135 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"135Â°","degrees":135},{"degrees":45,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"light","complexity_band":3,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[135],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":135}},"typical_year_band_id":"year_5","task_complexity_score":2.5,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q108","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 70 degrees, the other marked unknown. Child computes 180 minus 70 = 110; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 70 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[110]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 70. Take 70 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"70Â°","degrees":70},{"degrees":110,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"light","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[70],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":70}},"typical_year_band_id":"year_5","task_complexity_score":2.2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q109","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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Take 115 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"115Â°","degrees":115},{"degrees":65,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"light","complexity_band":3,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[115],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":115}},"typical_year_band_id":"year_5","task_complexity_score":2.5,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q110","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 25 degrees, the other marked unknown. Child computes 180 minus 25 = 155; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 25 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[155]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 25. Take 25 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"label":"25Â°","degrees":25},{"degrees":155,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":3,"difficulty_tier":"stretch","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[25],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":25}},"typical_year_band_id":"year_5","task_complexity_score":2.7,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q111","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 155 degrees, the other marked unknown. Child computes 180 minus 155 = 25; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 155 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[25]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 155. Take 155 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"label":"155Â°","degrees":155},{"degrees":25,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[155],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":155}},"typical_year_band_id":"year_5","task_complexity_score":2.7,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q112","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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Take 35 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"label":"35Â°","degrees":35},{"degrees":145,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":3,"difficulty_tier":"stretch","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[35],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":35}},"typical_year_band_id":"year_5","task_complexity_score":2.7,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q113","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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Take 145 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":false,"diagnostic":true,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"label":"145Â°","degrees":145},{"degrees":35,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[145],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":145}},"typical_year_band_id":"year_5","task_complexity_score":2.7,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q114","notes":["WAVE-2 bulk sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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Take 95 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"95Â°","degrees":95},{"degrees":85,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"light","complexity_band":3,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[95],"has_visual":true,"representation":"visual_model","scaffold_level":"light","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":95}},"typical_year_band_id":"year_5","task_complexity_score":2.5,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q115","notes":["WAVE-2 deepen sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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1":{"kind":"free_response","match_mode":"numeric","accepted_values":[150]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 30. Take 30 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"30Â°","degrees":30},{"degrees":150,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":1,"difficulty_tier":"support","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[30],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":30}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q116","notes":["WAVE-2 deepen sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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Take 50 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"50Â°","degrees":50},{"degrees":130,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[50],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":50}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q117","notes":["WAVE-2 deepen sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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Take 75 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"75Â°","degrees":75},{"degrees":105,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[75],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":75}},"typical_year_band_id":"year_5","task_complexity_score":2.3,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q120","notes":["WAVE-2 deepen sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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Take 140 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"140Â°","degrees":140},{"degrees":40,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[140],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":140}},"typical_year_band_id":"year_5","task_complexity_score":2,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q125","notes":["WAVE-2 deepen sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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Take 150 away from 180.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"label":"150Â°","degrees":150},{"degrees":30,"unknown":true}],"baseline":"straight"},"form_variant":"standard","micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"procedure_standard","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[150],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":150}},"typical_year_band_id":"year_5","task_complexity_score":2.4,"unscaffolded_eligible":true},{"id":"GEO.P5.M02.Q126","notes":["WAVE-2 deepen sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. 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1,{"id":"GEO.P5.M02.Q127","notes":["WAVE-2 deepen sibling of GEO.P5.M02.Q100/Q101: angle_diagram on a straight line. Given angle labelled 20 degrees, the other marked unknown. Child computes 180 minus 20 = 160; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 20 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[160]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 20. 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Given angle labelled 15 degrees, the other marked unknown. Child computes 180 minus 15 = 165; typed."],"prompt":{"stem":"What is the missing angle?","spoken_prompt":"Two angles meet on a straight line. One is 15 degrees. What is the missing angle, in degrees?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[165]},"hint_ladder":[{"step":1,"message":"The two angles sit together on a straight line, and angles on a straight line add up to 180 degrees."},{"step":2,"message":"The known angle is 15. 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One is 65 degrees. Ali says the other one must be 105 degrees. Is he right?","spoken_prompt":"Two angles meet on a straight line. One is 65 degrees. Ali thinks the other one is 105 degrees. Is he right?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_yes","label":"Yes","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_no","label":"No"}],"selection_mode":"single","correct_option_ids":["opt_no"]},"hint_ladder":[{"step":1,"message":"Angles that sit together on a straight line always add up to 180 degrees."},{"step":2,"message":"The known angle is 65. Take 65 away from 180 to find what the other angle should actually be, then compare that with Ali's number.","focus_misconception_tags":["counting_error"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":false},"visual_data":{"type":"angle_diagram","angles":[{"label":"65Â°","degrees":65},{"degrees":115,"unknown":true}],"baseline":"straight"},"micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":3,"difficulty_rank":2,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"single_select","mathematical_form":"misconception_contrast_probe","misconception_tags":["counting_error"],"difficulty_features":{"form":"misconception_contrast_probe","strand":"geometry","universal":{"numbers":[65,105],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"kind":"missing_angle","nearMiss":true}},"typical_year_band_id":"year_5","task_complexity_score":2.8},{"id":"GEO.P5.M02.Q302","prompt":{"stem":"A ramp meets the ground, making two angles that together form a straight line. The angle between the ramp and the ground on the left is 35 degrees. What is the angle on the right?","spoken_prompt":"A ramp meets the ground and makes two angles that form a straight line together. The left angle is 35 degrees. What is the angle on the right?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[145]},"hint_ladder":[{"step":1,"message":"The two angles where the ramp meets the ground sit on a straight line, so together they make 180 degrees."},{"step":2,"message":"One angle is 35 degrees. Take 35 away from 180 to find the other angle."}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"label":"35Â°","degrees":35},{"degrees":145,"unknown":true}],"baseline":"straight"},"micro_skill_id":"GEO.P5.M02","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_transfer","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["right_angle_not_recognised"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[35],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"baseline":"straight","knownAngle":35}},"typical_year_band_id":"year_5","task_complexity_score":2.3},{"id":"GEO.P5.M02.Q303","prompt":{"stem":"On one straight line, the two angles are 60 degrees and 120 degrees. O

1n another straight line, the two angles are 90 degrees and 90 degrees. Which straight line has two right angles â the first or the second?","spoken_prompt":"One straight line is split into a 60 degree angle and a 120 degree angle. Another straight line is split into two 90 degree angles. Which straight line has two right angles, the first or the second?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_first","label":"The first","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_second","label":"The second"}],"selection_mode":"single","correct_option_ids":["opt_second"]},"hint_ladder":[{"step":1,"message":"A right angle is exactly 90 degrees â not any angle that happens to sit on a straight line."},{"step":2,"message":"Check each pair: 60 and 120 are not both 90, but 90 and 90 are. 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Now a CLEARLY acute angle (50 degrees, no label, no marker) so the child judges it confidently against a square corner (the named Y4 lever). Re-derived: 50 < 90 -> acute."],"prompt":{"stem":"Is this angle acute, right, or obtuse?","spoken_prompt":"Look at the angle. Is it acute, a right angle, or obtuse?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_acute","label":"Acute"},{"id":"opt_right","label":"Right","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_obtuse","label":"Obtuse","misconception_tags":["angle_size_linked_to_line_length"]}],"selection_mode":"single","correct_option_ids":["correct_acute"]},"hint_ladder":[{"step":1,"message":"A square corner is exactly 90 degrees. Compare this angle to a square corner."},{"step":2,"message":"Look carefully at whether the opening is less than a square corner, exactly the same, or more. That tells you the type.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"core","visual_data":{"type":"angle_diagram","angles":[{"degrees":50}],"baseline":"none"},"form_variant":"standard","micro_skill_id":"GEO.P5.M03","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":1,"difficulty_tier":"core","question_family":"concept_core","interaction_type":"single_select","mathematical_form":"shape_property","misconception_tags":["right_angle_not_recognised","angle_size_linked_to_line_length"],"difficulty_features":{"form":"shape_property","strand":"geometry","universal":{"numbers":[50],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"soleAngle":50}},"typical_year_band_id":"year_4","task_complexity_score":1.2,"unscaffolded_eligible":true},{"id":"GEO.P5.M03.Q101","notes":["Y4 pilot exemplar, re-scoped in the GEO overshoot sweep (was 100 degrees -- so near the 90 boundary it tested eyesight, not the concept, because angle_diagram prints no degrees and no right-angle marker). Now a CLEARLY obtuse angle (125 degrees, no label, no marker) so the child sees it is plainly more than a square corner but less than a straight line (the named Y4 lever). Re-derived: 90 < 125 < 180 -> obtuse."],"prompt":{"stem":"Is this angle acute, right, or obtuse?","spoken_prompt":"Look at the angle. Is it acute, a right angle, or obtuse?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_obtuse","label":"Obtuse"},{"id":"opt_acute","label":"Acute","misconception_tags":["angle_size_linked_to_line_length"]},{"id":"opt_right","label":"Right","misconception_tags":["right_angle_not_recognised"]}],"selection_mode":"single","correct_option_ids":["correct_obtuse"]},"hint_ladder":[{"step":1,"message":"A square corner is exactly 90 degrees. Compare this angle to a square corner."},{"step":2,"message":"Look carefully at whether the opening is less than a square corner, exactly the same, or more. That tells you the type.","focus_misconception_tags":["angle_size_linked_to_line_length"]}],"purpose_tag":"core","visual_data":{"type":"angle_diagram","angles":[{"degrees":125}],"baseline":"none"},"form_variant":"standard","micro_skill_id":"GEO.P5.M03","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_core","interaction_type":"single_select","mathematical_form":"shape_property","misconception_tags":["right_angle_not_recognised","angle_size_linked_to_line_length"],"difficulty_features":{"form":"shape_property","strand":"geometry","universal":{"numbers":[125],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"soleAngle":125}},"typical_year_band_id":"year_4","task_complexity_score":1.5,"unscaffolded_eligible":true},{"id":"GEO.P5.M03.Q102","notes":["Y4 pilot exemplar. Same template as Q100/Q101 but the RIGHT-ANGLE case (90 degrees) with mark_right_angle:true so the small square marker is drawn -- still no printed degrees. Distractors 'Acute' and 'Obtuse' tagged. Re-derived: exactly 90 -> right angle."],"prompt":{"stem":"Is this angle acute, right, or obtuse?","spoken_prompt":"Look at the angle. Is it acute, a right angle, or obtuse?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_right","label":"Right"},{"id":"opt_acute","label":"Acute","misconception_tags":["angle_size_linked_to_line_length"]},{"id":"opt_obtuse","label":"Obtuse","misconception_tags":["angle_size_linked_to_line_length"]}],"selection_mode":"single","correct_option_ids":["correct_right"]},"hint_ladder":[{"step":1,"message":"A square corner is exactly 90 degrees. Compare this angle to a square corner."},{"step":2,"message":"Does it open less than a square corner, the same, or more? 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Is it acute, a right angle, or obtuse?"},"source":"ai_draft","status":"approved","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_acute","label":"Acute"},{"id":"opt_right","label":"Right","misconception_tags":["right_angle_not_recognised"]},{"id":"opt_obtuse","label":"Obtuse","misconception_tags":["angle_size_linked_to_line_length"]}],"selection_mode":"single","correct_option_ids":["correct_acute"]},"hint_ladder":[{"step":1,"message":"A square corner is exactly 90 degrees, like the corner of a book. Compare this angle to a square corner."},{"step":2,"message":"Look carefully: is the opening less than a square corner, exactly the same, or more than a square corner? That tells you which type it is.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"degrees":30}],"baseline":"none"},"form_variant":"standard","micro_skill_id":"GEO.P5.M03","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":1,"difficulty_tier":"support","question_family":"concept_core","interaction_type":"single_select","mathematical_form":"shape_property","misconception_tags":["right_angle_not_recognised","angle_size_linked_to_line_length"],"difficulty_features":{"form":"shape_property","strand":"geometry","universal":{"numbers":[30],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"soleAngle":30}},"typical_year_band_id":"year_4","task_complexity_score":1.2,"unscaffolded_eligible":true},{"id":"GEO.P5.M03.Q201","prompt":{"stem":"Is this angle acute, right, or obtuse?","spoken_prompt":"Look at the angle. Is it acute, a right angle, or obtuse?"},"source":"ai_draft","status":"retired","phase_id":"geo_angle_as_turn","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"correct_right","label":"Right"},{"id":"opt_acute","label":"Acute","misconception_tags":["angle_size_linked_to_line_length"]},{"id":"opt_obtuse","label":"Obtuse","misconception_tags":["angle_size_linked_to_line_length"]}],"selection_mode":"single","correct_option_ids":["correct_right"]},"hint_ladder":[{"step":1,"message":"A square corner is exactly 90 degrees, like the corner of a book. Compare this angle to a square corner."},{"step":2,"message":"Look carefully: is the opening less than a square corner, exactly the same, or more than a square corner? That tells you which type it is.","focus_misconception_tags":["right_angle_not_recognised"]}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"type":"angle_diagram","angles":[{"degrees":90}],"baseline":"none","mark_right_angle":true},"form_variant":"standard","micro_skill_id":"GEO.P5.M03","representation":"visual_model","scaffold_level":"guided","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"support","question_family":"concept_core","interaction_type":"single_select","mathematical_form":"shape_property","misconception_tags":["right_angle_not_recognised","angle_size_linked_to_line_length"],"difficulty_features":{"form":"shape_property","strand":"geometry","universal":{"numbers":[90],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"soleAngle":90}},"typical_year_band_id":"year_4","task_complexity_score":1.6,"unscaffolded_eligible":true},{"id":"GEO.P5.M03.Q202","prompt":{"stem":"Is this angle acute, right, or obtuse?","spoken_prompt":"Look at the angle. 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1,{"id":"GEO.P6.M01.Q106","prompt":{"stem":"Corner A is on the blue shape. Which point, B, C or D, is the reflection of A in the dashed mirror line?","spoken_prompt":"Corner A is on the blue shape. Which point, B, C or D, is the reflection of A in the mirror line?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"B","label":"Point B"},{"id":"C","label":"Point C","misconception_tags":["reflection_not_equidistant"]},{"id":"D","label":"Point D","misconception_tags":["counting_error"]}],"selection_mode":"single","correct_option_ids":["B"]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"Count A's squares to the mirror line, then go the same number of squares beyond it, staying level with A.","focus_misconception_tags":["reflection_not_equidistant"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"grid":{"h":7,"w":10},"type":"reflection_grid","mirror":{"axis":"vertical","position":5},"shape_points":[[2,2],[4,2],[4,5]],"labelled_points":[{"x":2,"y":2,"label":"A"},{"x":8,"y":2,"label":"B"},{"x":7,"y":2,"label":"C"},{"x":8,"y":5,"label":"D"}]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"concept_check","interaction_type":"single_select","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["reflection_not_equidistant","counting_error"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":"vertical","dist":null,"apart":false,"judge":false,"vtype":"reflection_grid","coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":true,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":1.9,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q107","prompt":{"stem":"Sam drew the green shape as the reflection of the blue shape in the dashed mirror line. Is Sam's reflection correct?","spoken_prompt":"Sam drew the green shape as the reflection of the blue shape in the mirror line. Is Sam's reflection correct?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"yes","label":"Yes, it is a correct reflection"},{"id":"no","label":"No, it is not a correct reflection"}],"selection_mode":"single","correct_option_ids":["no"]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"Take one corner of the blue shape, count its squares to the mirror line, and check the matching green corner is the SAME distance on the other side.","focus_misconception_tags":["reflection_not_equidistant"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"grid":{"h":6,"w":10},"type":"reflection_grid","mirror":{"axis":"vertical","position":5},"shape_points":[[1,1],[3,1],[1,3]],"reflected_points":[[8,1],[6,1],[8,3]]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"concept_check","interaction_type":"single_select","mathematical_form":"misconception_contrast_probe","misconception_tags":["reflection_not_equidistant"],"difficulty_features":{"form":"misconception_contrast_probe","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":"vertical","dist":null,"apart":false,"judge":false,"vtype":"reflection_grid","coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":1.6,"unscaffolded_eligible":true}

1,{"id":"GEO.P6.M01.Q108","prompt":{"stem":"Corner A is 5 squares from the dashed mirror line. After reflection, how far from the line will A's image be?","spoken_prompt":"Corner A is five squares from the mirror line. After the shape is reflected, how far from the line will A's image be?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[5]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"The reflection of a corner is exactly as far from the mirror line as the corner, just on the far side. Match A's distance.","focus_misconception_tags":["reflection_not_equidistant"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"grid":{"h":7,"w":11},"type":"reflection_grid","mirror":{"axis":"vertical","position":6},"shape_points":[[1,3],[3,3],[1,5]],"labelled_points":[{"x":1,"y":3,"label":"A"}]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":2,"difficulty_tier":"core","question_family":"procedural_fluency","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["reflection_not_equidistant"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[5],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":"vertical","dist":5,"apart":false,"judge":false,"vtype":"reflection_grid","coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":1.8,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q109","prompt":{"stem":"The nearest corner is 3 squares from the mirror line. After reflection, how many squares will there be between the corner and its image, counting across the mirror line?","spoken_prompt":"The nearest corner is three squares from the mirror line. After reflection, how many squares will there be between the corner and its image, counting across the mirror line?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[6]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"The corner is 3 squares from the line on one side, and its image is 3 squares on the other side. Add the two gaps to get the distance between them.","focus_misconception_tags":["reflection_not_equidistant"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"grid":{"h":6,"w":10},"type":"reflection_grid","mirror":{"axis":"vertical","position":5},"shape_points":[[0,1],[2,1],[0,3]]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"guided","complexity_band":1,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedural_fluency","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["reflection_not_equidistant"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[3],"has_visual":true,"representation":"visual_model","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":"vertical","dist":3,"apart":false,"judge":false,"vtype":"reflection_grid","coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":1.3,"unscaffolded_eligible":false}

1,{"id":"GEO.P6.M01.Q110","prompt":{"stem":"Corner A is at (6, 2). Reflect it in the vertical mirror line x = 4. What are the coordinates of its image?","spoken_prompt":"Corner A is at six, two. Reflect it in the vertical mirror line x equals four. What are the coordinates of its image?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"c22","label":"(2, 2)"},{"id":"c102","label":"(10, 2)","misconception_tags":["reflection_wrong_side"]},{"id":"c32","label":"(3, 2)","misconception_tags":["reflection_not_equidistant"]}],"selection_mode":"single","correct_option_ids":["c22"]},"hint_ladder":[{"step":1,"message":"Reflecting in a vertical line keeps each point's y-coordinate the same and only changes x. Reflecting in a horizontal line keeps x and only changes y.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"The mirror is at x = 4 and A is at x = 6, which is 2 to the right. Go 2 to the LEFT of the line and keep the y-coordinate the same.","focus_misconception_tags":["reflection_wrong_side"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"axes":true,"grid":{"h":6,"w":8},"type":"reflection_grid","mirror":{"axis":"vertical","position":4},"shape_points":[[6,2],[8,2],[8,4]],"labelled_points":[{"x":6,"y":2,"label":"A"}]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedural_fluency","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["reflection_not_equidistant","reflection_wrong_side"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[6,2,4],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axis":"vertical","dist":6,"apart":false,"judge":false,"vtype":"reflection_grid","coords":true,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":2.7,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q111","prompt":{"stem":"The green shape is meant to be the reflection of the blue shape in the mirror line. Has it been reflected correctly?","spoken_prompt":"The green shape is meant to be the reflection of the blue shape in the mirror line. Has the shape been reflected correctly?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"yes","label":"Yes, it is a correct reflection"},{"id":"no","label":"No, it is not a correct reflection"}],"selection_mode":"single","correct_option_ids":["no"]},"hint_ladder":[{"step":1,"message":"A reflection flips the shape to the OTHER side of the mirror line.","focus_misconception_tags":["reflection_wrong_side"]},{"step":2,"message":"Check which side of the mirror line the green shape is on. A correct reflection must be on the opposite side to the blue shape.","focus_misconception_tags":["reflection_wrong_side"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"grid":{"h":6,"w":10},"type":"reflection_grid","mirror":{"axis":"vertical","position":5},"shape_points":[[1,3],[3,3],[2,5]],"reflected_points":[[1,1],[3,1],[2,3]]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_check","interaction_type":"single_select","mathematical_form":"misconception_contrast_probe","misconception_tags":["reflection_wrong_side"],"difficulty_features":{"form":"misconception_contrast_probe","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":"vertical","dist":null,"apart":false,"judge":true,"vtype":"reflection_grid","coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":2.3,"unscaffolded_eligible":true}

1,{"id":"GEO.P6.M01.Q112","prompt":{"stem":"Corner A is on the blue shape below the horizontal mirror line. Which point, B, C or D, is the reflection of A?","spoken_prompt":"Corner A is below the horizontal mirror line. Which point, B, C or D, is the reflection of A?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"B","label":"Point B"},{"id":"C","label":"Point C","misconception_tags":["reflection_not_equidistant"]},{"id":"D","label":"Point D","misconception_tags":["counting_error"]}],"selection_mode":"single","correct_option_ids":["B"]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"Count how many squares point A is from the mirror line, then find the point that is the same number of squares on the other side, in the same column as A.","focus_misconception_tags":["reflection_not_equidistant"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"grid":{"h":8,"w":8},"type":"reflection_grid","mirror":{"axis":"horizontal","position":4},"shape_points":[[2,1],[4,1],[4,3]],"labelled_points":[{"x":2,"y":1,"label":"A"},{"x":2,"y":7,"label":"B"},{"x":2,"y":6,"label":"C"},{"x":4,"y":7,"label":"D"}]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_check","interaction_type":"single_select","mathematical_form":"visual_quantity_to_symbol","misconception_tags":["reflection_not_equidistant","counting_error"],"difficulty_features":{"form":"visual_quantity_to_symbol","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":"horizontal","dist":null,"apart":false,"judge":false,"vtype":"reflection_grid","coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":true,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":1.9,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q113","prompt":{"stem":"Corner A is 4 squares below the horizontal mirror line. After reflection, how far above the line will A's image be?","spoken_prompt":"Corner A is four squares below the horizontal mirror line. After reflection, how far above the line will A's image be?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"free_response","match_mode":"numeric","accepted_values":[4]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"The image sits the same distance from the mirror line as the corner, on the opposite side. Match A's distance across the line.","focus_misconception_tags":["reflection_not_equidistant"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"grid":{"h":9,"w":8},"type":"reflection_grid","mirror":{"axis":"horizontal","position":5},"shape_points":[[2,1],[4,1],[4,3]],"labelled_points":[{"x":4,"y":1,"label":"A"}]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedural_fluency","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["reflection_not_equidistant"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[4],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":"horizontal","dist":4,"apart":false,"judge":false,"vtype":"reflection_grid","coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":1.8,"unscaffolded_eligible":true}

1,{"id":"GEO.P6.M01.Q114","prompt":{"stem":"Corner A is at (2, 5). Reflect it in the horizontal mirror line y = 3. What are the coordinates of its image?","spoken_prompt":"Corner A is at two, five. Reflect it in the horizontal mirror line y equals three. What are the coordinates of its image?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"c21","label":"(2, 1)"},{"id":"c25","label":"(2, 5)","misconception_tags":["reflection_wrong_side"]},{"id":"c22","label":"(2, 2)","misconception_tags":["reflection_not_equidistant"]}],"selection_mode":"single","correct_option_ids":["c21"]},"hint_ladder":[{"step":1,"message":"Reflecting in a vertical line keeps each point's y-coordinate the same and only changes x. Reflecting in a horizontal line keeps x and only changes y.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"The mirror is at y = 3 and A is at y = 5, which is 2 above it. Go 2 BELOW the line and keep the x-coordinate the same.","focus_misconception_tags":["reflection_wrong_side"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"axes":true,"grid":{"h":8,"w":7},"type":"reflection_grid","mirror":{"axis":"horizontal","position":3},"shape_points":[[2,5],[4,5],[4,7]],"labelled_points":[{"x":2,"y":5,"label":"A"}]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":3,"difficulty_rank":3,"difficulty_tier":"core","question_family":"procedural_fluency","interaction_type":"single_select","mathematical_form":"symbolic_choice","misconception_tags":["reflection_not_equidistant","reflection_wrong_side"],"difficulty_features":{"form":"symbolic_choice","strand":"geometry","universal":{"numbers":[2,5,3],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axis":"horizontal","dist":2,"apart":false,"judge":false,"vtype":"reflection_grid","coords":true,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":2.8,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q115","prompt":{"stem":"A triangle is reflected in a mirror line. Which statement about the reflection is always true?","spoken_prompt":"A triangle is reflected in a mirror line. Which statement about the reflection is always true?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"same_dist","label":"Each corner is the same distance from the line as before, on the other side"},{"id":"closer","label":"The corners move closer to the mirror line","misconception_tags":["reflection_not_equidistant"]},{"id":"same_side","label":"The reflection stays on the same side as the triangle","misconception_tags":["reflection_wrong_side"]}],"selection_mode":"single","correct_option_ids":["same_dist"]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"Picture folding the grid along the mirror line so the two halves land on top of each other. Where does each corner end up, and how far from the line?","focus_misconception_tags":["reflection_wrong_side"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"multiple_choice","scaffold_level":"none","complexity_band":2,"difficulty_rank":3,"difficulty_tier":"core","question_family":"concept_check","interaction_type":"single_select","mathematical_form":"comparison_statement","misconception_tags":["reflection_not_equidistant","reflection_wrong_side"],"difficulty_features":{"form":"comparison_statement","strand":"geometry","universal":{"numbers":[],"has_visual":false,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":null,"dist":null,"apart":false,"judge":false,"vtype":null,"coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":1.6,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q116","prompt":{"stem":"A corner is 4 squares to the left of a vertical mirror line. Where will its reflection be?","spoken_prompt":"A corner is four squares to the left of a vertical mirror line. Where will its reflection be?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"r4","label":"4 squares to the right of the line"},{"id":"l4","label":"4 squares further to the left","misconception_tags":["reflection_wrong_side"]},{"id":"r2","label":"2 squares to the right of the line","misconception_tags":["reflection_not_equidistant"]}],"selection_mode":"single","correct_option_ids":["r4"]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"The reflection lands on the OPPOSITE side of the line, the same number of squares away. Match the distance and flip the side.","focus_misconception_tags":["reflection_wrong_side"]}],"purpose_tag":"core","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"multiple_choice","scaffold_level":"none","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"core","question_family":"concept_check","interaction_type":"single_select","mathematical_form":"comparison_statement","misconception_tags":["reflection_not_equidistant","reflection_wrong_side"],"difficulty_features":{"form":"comparison_statement","strand":"geometry","universal":{"numbers":[4],"has_visual":false,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":null,"dist":4,"apart":false,"judge":false,"vtype":null,"coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":1.7,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q117","prompt":{"stem":"The nearest corner is 4 squares from the mirror line. 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1,{"id":"GEO.P6.M01.Q119","prompt":{"stem":"Corner A is at (8, 4). Reflect it in the vertical mirror line x = 5. What are the coordinates of its image?","spoken_prompt":"Corner A is at eight, four. Reflect it in the vertical mirror line x equals five. What are the coordinates of its image?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"c24","label":"(2, 4)"},{"id":"c34","label":"(3, 4)","misconception_tags":["reflection_not_equidistant"]},{"id":"c28","label":"(2, 8)","misconception_tags":["coordinate_axis_misread"]}],"selection_mode":"single","correct_option_ids":["c24"]},"hint_ladder":[{"step":1,"message":"Reflecting in a vertical line keeps each point's y-coordinate the same and only changes x. 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1,{"id":"GEO.P6.M01.Q123","prompt":{"stem":"Corner A is at (1, 3). Reflect it in the vertical mirror line x = 6. What are the coordinates of its image?","spoken_prompt":"Corner A is at one, three. Reflect it in the vertical mirror line x equals six. What are the coordinates of its image?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"c113","label":"(11, 3)"},{"id":"c13","label":"(1, 3)","misconception_tags":["reflection_wrong_side"]},{"id":"c103","label":"(10, 3)","misconception_tags":["reflection_not_equidistant"]}],"selection_mode":"single","correct_option_ids":["c113"]},"hint_ladder":[{"step":1,"message":"Reflecting in a vertical line keeps each point's y-coordinate the same and only changes x. 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1yped_numeric","scaffold_level":"none","complexity_band":3,"difficulty_rank":5,"difficulty_tier":"stretch","question_family":"procedural_fluency","interaction_type":"typed_numeric","mathematical_form":"symbolic_numeric_entry","misconception_tags":["reflection_not_equidistant"],"difficulty_features":{"form":"symbolic_numeric_entry","strand":"geometry","universal":{"numbers":[5,4,3],"has_visual":false,"representation":"typed_numeric","scaffold_level":"none","unknown_position":"none","presentation_style":"symbolic_equation"},"form_specific":{"axis":"vertical","dist":5,"apart":false,"judge":false,"vtype":null,"coords":true,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":2.8,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q126","prompt":{"stem":"The green shape is meant to be the reflection of the blue shape in the horizontal mirror line. Is it a correct reflection?","spoken_prompt":"The green shape is meant to be the reflection of the blue shape in the horizontal mirror line. Is it a correct reflection?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"yes","label":"Yes, it is a correct reflection"},{"id":"no","label":"No, it is not a correct reflection"}],"selection_mode":"single","correct_option_ids":["no"]},"hint_ladder":[{"step":1,"message":"In a reflection, each corner moves straight across the mirror line, at a right angle to it, and nothing slides sideways.","focus_misconception_tags":["reflection_slides_not_reflects"]},{"step":2,"message":"Pick a blue corner and travel straight up across the line to where its image should be. Check the green corner sits in that exact column, not shifted along.","focus_misconception_tags":["reflection_slides_not_reflects"]}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":true,"support":false,"teaching":true,"diagnostic":false,"mastery_evidence":true},"visual_data":{"grid":{"h":8,"w":8},"type":"reflection_grid","mirror":{"axis":"horizontal","position":4},"shape_points":[[2,1],[4,1],[4,3]],"reflected_points":[[3,7],[5,7],[5,5]]},"form_variant":"standard","micro_skill_id":"GEO.P6.M01","representation":"visual_model","scaffold_level":"none","complexity_band":2,"difficulty_rank":5,"difficulty_tier":"stretch","question_family":"concept_check","interaction_type":"single_select","mathematical_form":"misconception_contrast_probe","misconception_tags":["reflection_slides_not_reflects"],"difficulty_features":{"form":"misconception_contrast_probe","strand":"geometry","universal":{"numbers":[],"has_visual":true,"representation":"visual_model","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"axis":"horizontal","dist":null,"apart":false,"judge":true,"vtype":"reflection_grid","coords":false,"geoKind":"reflect","sideOnly":false,"slideTrap":false,"pointMatch":false,"nearDistractors":false}},"typical_year_band_id":"year_5","task_complexity_score":2.3,"unscaffolded_eligible":true},{"id":"GEO.P6.M01.Q127","prompt":{"stem":"Points B, C and D sit close together. Which one is the exact reflection of corner A in the mirror line?","spoken_prompt":"Corner A is on the blue shape. Points B, C and D sit close together. Which one is the exact reflection of A?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"B","label":"Point B"},{"id":"C","label":"Point C","misconception_tags":["reflection_not_equidistant"]},{"id":"D","label":"Point D","misconception_tags":["reflection_not_equidistant"]}],"selection_mode":"single","correct_option_ids":["B"]},"hint_ladder":[{"step":1,"message":"A reflection is like a mirror. Every corner of the image is the SAME number of squares from the mirror line as the matching corner on the shape, just on the opposite side.","focus_misconception_tags":["reflection_not_equidistant"]},{"step":2,"message":"Count A's exact distance to the mirror line, square b

1y square, then count the same number back on the far side. 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What type of triangle is it?","spoken_prompt":"A triangle has sides of six centimetres, six centimetres and six centimetres. What type of triangle is it?"},"source":"ai_draft","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"opt_equilateral","label":"Equilateral"},{"id":"opt_isosceles","label":"Isosceles","misconception_tags":["shape_name_confusion"]},{"id":"opt_scalene","label":"Scalene","misconception_tags":["shape_named_by_appearance"]}],"selection_mode":"single","correct_option_ids":["opt_equilateral"]},"hint_ladder":[{"step":1,"message":"The type of triangle depends only on how many of its sides are equal.","focus_misconception_tags":["shape_named_by_appearance"]},{"step":2,"message":"Compare the three lengths. 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1ctangle that is not a square have?","spoken_prompt":"Zara says a rectangle has 4 lines of symmetry, just like a square. How many does a rectangle that is not a square have?"},"source":"y6_build_2026_07","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"a","label":"2","misconception_tags":[]},{"id":"b","label":"4","misconception_tags":["square_rectangle_confused"]},{"id":"c","label":"0","misconception_tags":["shape_property_denial"]}],"selection_mode":"single","correct_option_ids":["a"]},"hint_ladder":[{"step":1,"message":"A rectangle is not a square, so check it carefully with folding."},{"step":2,"message":"Only folds through the middle of opposite sides make the halves match on a non-square rectangle."},{"step":3,"message":"Count the fold lines through the middle of each pair of opposite sides."}],"purpose_tag":"stretch","suitability":{"review":true,"stretch":false,"support":false,"teaching":true,"diagnostic":true,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P6.M04","representation":"multiple_choice","scaffold_level":"none","complexity_band":2,"difficulty_rank":4,"difficulty_tier":"stretch","question_family":"error_spotting","interaction_type":"single_select","mathematical_form":"misconception_contrast_probe","misconception_tags":["square_rectangle_confused"],"difficulty_features":{"form":"misconception_contrast_probe","strand":"geometry","universal":{"numbers":[4],"has_visual":false,"representation":"multiple_choice","scaffold_level":"none","unknown_position":"none","presentation_style":"other"},"form_specific":{"sides":4,"geoKind":"symmetry","reverse":false,"fromFigure":false,"compareCount":0}},"typical_year_band_id":"year_4","task_complexity_score":1.8},{"id":"GEO.P6.M04.Q127","prompt":{"stem":"Which shape has exactly 4 lines of symmetry: a square, a regular pentagon, or a non-square rectangle?","spoken_prompt":"Which shape has exactly 4 lines of symmetry: a square, a regular pentagon, or a non-square rectangle?"},"source":"y6_build_2026_07","status":"approved","phase_id":"geo_transformations_and_classification_reasoning","strand_id":"geometry","answer_spec":{"kind":"select","options":[{"id":"a","label":"A square","misconception_tags":[]},{"id":"b","label":"A regular pentagon","misconception_tags":["symmetry_line_not_equal"]},{"id":"c","label":"A non-square rectangle","misconception_tags":["square_rectangle_confused"]}],"selection_mode":"single","correct_option_ids":["a"]},"hint_ladder":[{"step":1,"message":"Find the number of lines of symmetry for each shape, then compare them."},{"step":2,"message":"For a regular shape, the number of lines of symmetry equals its number of sides; but a non-square rectangle is not regular and has only 2 lines, not 4."},{"step":3,"message":"Count the square's sides for its lines, and the pentagon's too; remember the non-square rectangle has just 2 lines. Which shape has exactly 4?"}],"purpose_tag":"support","suitability":{"review":true,"stretch":false,"support":true,"teaching":true,"diagnostic":false,"mastery_evidence":true},"form_variant":"standard","micro_skill_id":"GEO.P6.M04","representation":"multiple_choice","scaffold_level":"guided","complexity_band":1,"difficulty_rank":2,"difficulty_tier":"support","question_family":"reasoning","interaction_type":"single_select","mathematical_form":"comparison_statement","misconception_tags":["symmetry_line_not_equal"],"difficulty_features":{"form":"comparison_statement","strand":"geometry","universal":{"numbers":[4],"has_visual":false,"representation":"multiple_choice","scaffold_level":"guided","unknown_position":"none","presentation_style":"other"},"form_specific":{"sides":4,"geoKind":"symmetry","reverse":false,"fromFigure":false,"compareCount":0}},"typical_year_band_id":"year_4","task_complexity_score":1.4},{"id":"GEO.P6.M04.Q128","prompt":{"stem":"Which of these has the fewest lines of symmetry: a square, a regular pentagon, or a regular hexagon?","spoken_prompt":"Which of these has the fewest lines of symmetry: a square, a regular pe

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1ntagons' frame (regular pentagons cannot tessellate) since the question is about a pentagon's symmetry, not tiling; reframed as 'a badge is a regular pentagon'. Answer unchanged (5)."],"prompt":{"stem":"A badge is a regular pentagon. How many lines of symmetry does the pentagon have?","spoken_prompt":"A badge is a regular pentagon. 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as authored_questions,o as default,t as metadata,r as micro_skill_question_map,e as schema_version,a as strand_id,i as template_generators};

Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.