{"schema_version":"task-form-representation.payload.v1","representation":{"schema_version":"task-form-representation.v1","task_form_ref":"task-form.quantity.cross-representation-relation-match.v1","public_slug":"cross-representation-relation-match","owning_skill_refs":["count.compare.objects.to-20","count.compare-numbers.to-100","count.number-line.whole.to-100","count.order-numbers.to-20"],"primary_family_ref":"module-family.count.quantity-comparison-order.v1","pattern_cluster_ref":"pattern-cluster.quantity.representation-transfer.v1","task_pattern_ref":"task-pattern.quantity.cross-representation-relation-transfer-to-100.v1","public_title":"Cross-representation relation match","teacher_summary":"Cross-representation relation match asks children to match the same relation across representations.","teacher_purpose_md":"Match or compare the same whole-number relation across visible set, numeral, symbol, number-line, or bound representation.","child_action_public":"Match the same relation across representations.","answer_affordance_public":"Complete the cross-representation relation match action.","visual_primitive_public_refs":["object_set_card","numeral_card","symbol_badge","number_line_point","bound_card","match_tray"],"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.number-sense-place-value.v1","public_label":"Number sense and place value","teacher_note_md":"Schedule place-value or comparison review when the story lane is incompatible."}],"challenge_enrichment_public":[],"story_fit_public":["episodes where preserve the same quantity relation across visible sets, numerals, symbols, number lines, bounds, and proof cards.","Story object role: object set card.","Story object role: numeral card.","Story object role: symbol badge.","Story object role: number-line point.","Story object role: bound card."],"retrieval":{"aliases":["Cross-representation relation match","task-form.quantity.cross-representation-relation-match.v1","comparison_relation_representation_match","object_set_card","numeral_card","symbol_badge","number_line_point","bound_card","match_tray"],"teacher_questions":["What does Cross-representation relation match mean?","How does Cross-representation relation match adapt for my child?","Can I see an example of Cross-representation relation match?"],"keywords":["cross-representation relation match","comparison_relation_representation_match","count.compare.objects.to-20","count.compare-numbers.to-100","count.number-line.whole.to-100","count.order-numbers.to-20"],"short_answer_public":"Cross-representation relation match asks children to match the same relation across representations.","canonical_links":[{"label":"Cross-representation relation match","url":"#taskform-cross-representation-relation-match"}],"safe_to_quote_snippets":["Cross-representation relation match asks children to match the same relation across representations."],"example_refs":[]}},"canonical_target":{"href":"/math/skills/count/compare-objects-to-20#taskform-cross-representation-relation-match","skill":{"schema_version":"teacher-skill-representation.v1","skill_ref":"count.compare.objects.to-20","domain_slug":"count","skill_slug":"compare-objects-to-20","canonical_url":"/math/skills/count/compare-objects-to-20","public_title":"Comparing sets to 20","family_ref":"module-family.count.quantity-comparison-order.v1","family_name":"Quantity Comparison and Order Reasoning","pattern_cluster_refs":["pattern-cluster.quantity.visible-set-comparison.v1","pattern-cluster.quantity.representation-transfer.v1"],"task_pattern_refs":["task-pattern.quantity.visible-set-compare-to-20.v1","task-pattern.quantity.visible-residue-difference-to-20.v1","task-pattern.quantity.visible-difference-amount-to-20.v1","task-pattern.quantity.one-to-one-pairing-proof-to-20.v1","task-pattern.quantity.conservation-invariance-compare-to-20.v1","task-pattern.quantity.cross-representation-relation-transfer-to-100.v1","task-pattern.quantity.comparison-proof-card-selection.v1"],"task_form_refs":["task-form.quantity.object-set-compare-choice.v1","task-form.quantity.extra-object-residue-mark.v1","task-form.quantity.difference-amount-relation-choice.v1","task-form.quantity.object-pair-proof-builder.v1","task-form.quantity.conservation-transform-relation-choice.v1","task-form.quantity.cross-representation-relation-match.v1","task-form.quantity.comparison-proof-card-choice.v1"],"teacher_summary":"Comparing sets to 20 builds quantity comparison and order reasoning through visual tasks, examples, and next-step routes.","teacher_explanation_md":"Given two visible groups with at most 20 objects each, decide which group has more, fewer, or the same amount using matching, counting, or grouping.","child_surface_summary_md":"Children may meet this skill through task formats such as Object-set compare choice, Extra-object residue mark, Difference amount and relation choice, Object-pair proof builder, Conservation transform relation choice, Cross-representation relation match, Comparison proof-card choice.","common_mistake_tags":["Treats a physically longer spread as the larger group."],"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.number-sense-place-value.v1"],"standards_refs":["us_ccss:CCSS.K.CC.C.6","uk_england_nc:UK-NC-Y1-number-compare"],"school_program_refs":["us_ccss","uk_england_nc"],"challenge_refs":["challenge.count.compare.objects.to-20"],"story_fit_tags":["episodes where compare visible object sets to 20, identify exact visible difference, prove relation by pairing, and preserve relation under conservation lures.","episodes where preserve the same quantity relation across visible sets, numerals, symbols, number lines, bounds, and proof cards."],"prerequisite_skill_refs":[],"next_skill_refs":["count.number-line.whole.to-100","count.order-numbers.to-20"],"next_family_refs":["module-family.count.cardinality-foundations.v1","module-family.nbt.base-ten-place-value.v1","module-family.oa.whole-number-operations-fluency.v1","module-family.oa.models-word-problems.v1","module-family.data.classification-tables-graphs.v1","module-family.frac.parts-wholes-fair-shares.v1","module-family.frac.equivalence-comparison-operations.v1","module-family.dec.decimal-percent-reasoning.v1","module-family.measure.units-tools-time-money.v1","module-family.measure.geometric-measurement.v1","module-family.geom.shape-attributes-classification.v1","module-family.geom.spatial-transformations-coordinates.v1","module-family.pattern.functions-generalization.v1","module-family.prealg.equations-expressions-inequalities.v1","module-family.prealg.ratio-rate-scaling.v1","module-family.logic.constraint-deduction-combinatorics.v1"],"public_example_refs":[],"retrieval":{"aliases":["Comparing sets to 20","count.compare.objects.to-20","Quantity Comparison and Order Reasoning","Object-set compare choice","Extra-object residue mark","Difference amount and relation choice","Object-pair proof builder","Conservation transform relation choice","Cross-representation relation match","Comparison proof-card choice"],"teacher_questions":["What does Comparing sets to 20 mean?","How does Comparing sets to 20 adapt for my child?","Can I see an example of Comparing sets to 20?"],"keywords":["comparing sets to 20","count","compare-objects-to-20","quantity comparison and order reasoning","task-form.quantity.object-set-compare-choice.v1","task-form.quantity.extra-object-residue-mark.v1","task-form.quantity.difference-amount-relation-choice.v1","task-form.quantity.object-pair-proof-builder.v1","task-form.quantity.conservation-transform-relation-choice.v1","task-form.quantity.cross-representation-relation-match.v1","task-form.quantity.comparison-proof-card-choice.v1"],"short_answer_public":"Comparing sets to 20 builds quantity comparison and order reasoning through visual tasks, examples, and next-step routes.","canonical_links":[{"label":"Comparing sets to 20","url":"/math/skills/count/compare-objects-to-20"}],"safe_to_quote_snippets":["Comparing sets to 20 builds quantity comparison and order reasoning through visual tasks, examples, and next-step routes."],"example_refs":[]}}},"examples":[],"preview_artifacts":[]}