{"schema_version":"task-form-representation.payload.v1","representation":{"schema_version":"task-form-representation.v1","task_form_ref":"task-form.logic.candidate-elimination-markboard.v1","public_slug":"candidate-elimination-markboard","owning_skill_refs":["logic.constraints.elimination","logic.proof-counterexample.artifacts"],"primary_family_ref":"module-family.logic.constraint-deduction-combinatorics.v1","pattern_cluster_ref":"pattern-cluster.logic.visible-clue-elimination.v1","task_pattern_ref":"task-pattern.logic.near-miss-elimination.v1","public_title":"Candidate elimination markboard","teacher_summary":"Candidate elimination markboard asks children to mark candidates eliminated by a highlighted clue or all clues.","teacher_purpose_md":"Distinguish candidates that almost fit from candidates that satisfy every clue by marking the decisive failed clue or candidate.","child_action_public":"Mark candidates eliminated by a highlighted clue or all clues.","answer_affordance_public":"Complete the candidate elimination markboard action.","visual_primitive_public_refs":["candidate_row","clue_focus","elimination_marks"],"child_surface_preview":{"availability":"not_available","preview_asset_refs":[],"absence_md":""},"public_example_refs":[],"non_example_refs":[],"common_mistake_tags":[],"hint_reveal_public":["Hints should point attention to the visible structure before giving away the solution.","Reveals should show the answer path separately from independent evidence."],"public_evidence_signals":[{"id":"check_only","public_label":"Check only","teacher_note_md":"This observation can check the session without moving the child forward by itself."}],"route_variants":[{"id":"support_repair","public_label":"Support","teacher_note_md":"Use a more guided version when recent work shows confusion or heavy help use."},{"id":"core","public_label":"Core","teacher_note_md":"Use the normal version when the child solves fresh examples steadily."},{"id":"stretch_transfer","public_label":"Transfer","teacher_note_md":"Change representation or context after independent evidence stays strong."}],"age_presentation_differences":[{"id":"age_6_7","public_label":"6-7","teacher_note_md":"Use concrete objects, short prompts, and more visible support."},{"id":"age_8_9","public_label":"8-9","teacher_note_md":"Use the same idea with more independent reading and representation."},{"id":"age_10_11","public_label":"10-11","teacher_note_md":"Keep the presentation older and allow explanation, proof, and transfer when evidence supports it."}],"practice_focus_compatibility":[{"id":"practice-focus.word-problems.v1","public_label":"Word problems are confusing","teacher_note_md":"Schedule visual model or bar-model review when the story lane is incompatible."}],"challenge_enrichment_public":[],"story_fit_public":["story beats with visible logic state, manipulable evidence, and a bounded child action","Story object role: candidate cards.","Story object role: clue cards.","Story object role: elimination marks.","Story object role: repair clue cards.","Story object role: survivor tray."],"retrieval":{"aliases":["Candidate elimination markboard","task-form.logic.candidate-elimination-markboard.v1","candidate_elimination_mark_set","candidate_row","clue_focus","elimination_marks"],"teacher_questions":["What does Candidate elimination markboard mean?","How does Candidate elimination markboard adapt for my child?","Can I see an example of Candidate elimination markboard?"],"keywords":["candidate elimination markboard","candidate_elimination_mark_set","logic.constraints.elimination","logic.proof-counterexample.artifacts"],"short_answer_public":"Candidate elimination markboard asks children to mark candidates eliminated by a highlighted clue or all clues.","canonical_links":[{"label":"Candidate elimination markboard","url":"#taskform-candidate-elimination-markboard"}],"safe_to_quote_snippets":["Candidate elimination markboard asks children to mark candidates eliminated by a highlighted clue or all clues."],"example_refs":[]}},"canonical_target":{"href":"/math/skills/logic/constraints-elimination#taskform-candidate-elimination-markboard","skill":{"schema_version":"teacher-skill-representation.v1","skill_ref":"logic.constraints.elimination","domain_slug":"logic","skill_slug":"constraints-elimination","canonical_url":"/math/skills/logic/constraints-elimination","public_title":"Constraints Elimination","family_ref":"module-family.logic.constraint-deduction-combinatorics.v1","family_name":"Logic, Constraint, Deduction, and Combinatorics","pattern_cluster_refs":["pattern-cluster.logic.visible-clue-elimination.v1","pattern-cluster.logic.deductive-sequences-logic-grids.v1","pattern-cluster.logic.proof-counterexample-truth-contradiction.v1"],"task_pattern_refs":["task-pattern.logic.visible-clue-single-survivor.v1","task-pattern.logic.near-miss-elimination.v1","task-pattern.logic.violated-clue-marking.v1","task-pattern.logic.ambiguity-repair.v1","task-pattern.logic.clue-sufficiency-minimality.v1","task-pattern.logic.ordered-deductive-sequence.v1","task-pattern.logic.mini-logic-grid-basic.v1","task-pattern.logic.proof-artifact-selection.v1"],"task_form_refs":["task-form.logic.clue-card-candidate-choice.v1","task-form.logic.candidate-elimination-markboard.v1","task-form.logic.violated-clue-marker.v1","task-form.logic.ambiguity-repair-clue-choice.v1","task-form.logic.minimal-clue-set-choice.v1","task-form.logic.order-slot-deduction-board.v1","task-form.logic.mini-logic-grid-mark-fill.v1","task-form.logic.proof-card-evidence-choice.v1"],"teacher_summary":"Constraints Elimination builds logic, constraint, deduction, and combinatorics through visual tasks, examples, and next-step routes.","teacher_explanation_md":"Constraints Elimination practice with visual examples, common slips, and next-step routes.","child_surface_summary_md":"Children may meet this skill through task formats such as Clue-card candidate choice, Candidate elimination markboard, Violated-clue marker, Ambiguity repair clue choice, Minimal clue set choice, Order-slot deduction board, Mini logic grid mark-fill, Proof card evidence choice.","common_mistake_tags":["Satisfy only last clue.","Do not reconsider.","Eliminate wrong direction."],"hint_reveal_summary_md":"Hints keep the child oriented to the visible structure; reveals show the path without counting as independent evidence.","adaptation_summary_md":"Fresh independent work can move the child toward Core, Transfer, or Challenge routes; help use or confusion keeps support visible.","route_variant_refs":["support_repair","core","stretch_transfer","challenge_ready"],"age_band_refs":["age_6_7","age_8_9","age_10_11"],"practice_focus_refs":["practice-focus.balanced.v1","practice-focus.word-problems.v1"],"standards_refs":[],"school_program_refs":[],"challenge_refs":["challenge.logic.constraints.elimination"],"story_fit_tags":["story beats with visible logic state, manipulable evidence, and a bounded child action"],"prerequisite_skill_refs":[],"next_skill_refs":["logic.deductive.sequence","logic.logic-grid.basic","logic.olympiad.invariants-casework-pigeonhole"],"next_family_refs":["module-family.prealg.equations-expressions-inequalities.v1","module-family.geom.spatial-transformations-coordinates.v1","module-family.data.classification-tables-graphs.v1","module-family.oa.whole-number-operations-fluency.v1"],"public_example_refs":[],"retrieval":{"aliases":["Constraints Elimination","logic.constraints.elimination","Logic, Constraint, Deduction, and Combinatorics","Clue-card candidate choice","Candidate elimination markboard","Violated-clue marker","Ambiguity repair clue choice","Minimal clue set choice","Order-slot deduction board","Mini logic grid mark-fill","Proof card evidence choice"],"teacher_questions":["What does Constraints Elimination mean?","How does Constraints Elimination adapt for my child?","Can I see an example of Constraints Elimination?"],"keywords":["constraints elimination","logic","constraints-elimination","logic, constraint, deduction, and combinatorics","task-form.logic.clue-card-candidate-choice.v1","task-form.logic.candidate-elimination-markboard.v1","task-form.logic.violated-clue-marker.v1","task-form.logic.ambiguity-repair-clue-choice.v1","task-form.logic.minimal-clue-set-choice.v1","task-form.logic.order-slot-deduction-board.v1","task-form.logic.mini-logic-grid-mark-fill.v1","task-form.logic.proof-card-evidence-choice.v1"],"short_answer_public":"Constraints Elimination builds logic, constraint, deduction, and combinatorics through visual tasks, examples, and next-step routes.","canonical_links":[{"label":"Constraints Elimination","url":"/math/skills/logic/constraints-elimination"}],"safe_to_quote_snippets":["Constraints Elimination builds logic, constraint, deduction, and combinatorics through visual tasks, examples, and next-step routes."],"example_refs":[]}}},"examples":[],"preview_artifacts":[]}