{"schema_version":"canonical-task-representation.payload.v1","representation":{"schema_version":"canonical-task-representation.v2","canonical_task_ref":"canonical-task.measure.rain-catchment-overflow-entry.v1","public_slug":"rain-volume-versus-tank","owning_skill_refs":["measure.capacity-volume-liquid.measure"],"primary_family_ref":"module-family.measure.units-tools-time-money.v1","pattern_cluster_ref":"pattern-cluster.measure.units-tools-conversions.v1","task_pattern_ref":"task-pattern.measure.rain-catchment-overflow-entry.v1","public_title":"Rain volume versus tank","teacher_summary":"Rain volume versus tank asks the player to convert rainfall depth over an area to volume and subtract tank capacity.","teacher_purpose_md":"Convert rainfall depth over an area to volume and subtract tank capacity.","player_action_public":"Convert rainfall depth over an area to volume and subtract tank capacity.","answer_affordance_public":"Complete the rain volume versus tank action.","visual_primitive_public_refs":["mmvp.primitive.measurement-label","mmvp.recipe.chart-data","mmvp.primitive.comparison-overlay"],"player_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":"independent_solve","public_label":"Independent solve","teacher_note_md":"A fresh correct solve can count toward stronger evidence."},{"id":"supported_solve","public_label":"Supported solve","teacher_note_md":"Help was useful, so the next step should keep support visible."},{"id":"challenge_ready_signal","public_label":"Challenge ready","teacher_note_md":"Strong fresh evidence can open a deeper example when the canonical task supports it."}],"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 after steady fresh solves."},{"id":"stretch_transfer","public_label":"Transfer","teacher_note_md":"Change representation or context after independent evidence stays strong."},{"id":"challenge_ready","public_label":"Challenge","teacher_note_md":"Offer a deeper reasoning example only when the canonical task has a real challenge boundary."}],"presentation_profiles":[{"id":"presentation_compact","public_label":"Compact","teacher_note_md":"Use concrete objects, short prompts, and more visible support."},{"id":"presentation_standard","public_label":"Standard","teacher_note_md":"Use the same idea with more independent reading and representation."},{"id":"presentation_extended","public_label":"Extended","teacher_note_md":"Allow denser 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."},{"id":"practice-focus.geometry-measurement.v1","public_label":"Geometry, shapes, and measurement","teacher_note_md":"Schedule visual shape or measure review when the story lane is incompatible."}],"challenge_enrichment_public":["Challenge examples must change the reasoning demand, not only make the row busier."],"story_fit_public":["episodes with a real scale, instrument, duration, unit, rate, or money quantity","Story object role: measurement scale.","Story object role: unit label.","Story object role: instrument mark.","Story object role: conversion table.","Story object role: measurement field."],"retrieval":{"aliases":["Rain volume versus tank","canonical-task.measure.rain-catchment-overflow-entry.v1","nonnegative litre scalar entry","mmvp.primitive.measurement-label","mmvp.recipe.chart-data","mmvp.primitive.comparison-overlay"],"teacher_questions":["What does Rain volume versus tank mean?","How does Rain volume versus tank adapt?","Can I see an example of Rain volume versus tank?"],"keywords":["rain volume versus tank","nonnegative litre scalar entry","measure.capacity-volume-liquid.measure"],"short_answer_public":"Rain volume versus tank asks the player to convert rainfall depth over an area to volume and subtract tank capacity.","canonical_links":[{"label":"Rain volume versus tank","url":"#canonical-task-rain-volume-versus-tank"}],"safe_to_quote_snippets":["Rain volume versus tank asks the player to convert rainfall depth over an area to volume and subtract tank capacity."],"example_refs":[]}},"canonical_target":{"href":"/math/skills/measure/capacity-volume-liquid-measure#canonical-task-rain-volume-versus-tank","skill":{"schema_version":"teacher-skill-representation.v2","skill_ref":"measure.capacity-volume-liquid.measure","domain_slug":"measure","skill_slug":"capacity-volume-liquid-measure","canonical_url":"/math/skills/measure/capacity-volume-liquid-measure","public_title":"Capacity and liquid measure","family_ref":"module-family.measure.units-tools-time-money.v1","family_name":"Measurement Units, Tools, Time, and Money","pattern_cluster_refs":["pattern-cluster.measure.units-tools-conversions.v1"],"task_pattern_refs":["task-pattern.measure.rain-catchment-overflow-entry.v1"],"canonical_task_refs":["canonical-task.measure.rain-catchment-overflow-entry.v1"],"teacher_summary":"Capacity and liquid measure builds measurement units, tools, time, and money through visual tasks, examples, and next-step routes.","teacher_explanation_md":"Read a liquid level, gauge, or marked container to determine capacity or volume in a story-relevant measurement context.","player_surface_summary_md":"This skill appears in Rain volume versus tank.","common_mistake_tags":["Reads the container rim instead of the liquid level."],"hint_reveal_summary_md":"Hints keep attention on the visible structure; reveals show the path without counting as independent evidence.","adaptation_summary_md":"Fresh independent work can move toward Core, Transfer, or Challenge routes; help use or confusion keeps support visible.","route_variant_refs":["support_repair","core","stretch_transfer","challenge_ready"],"presentation_profile_refs":["presentation_compact","presentation_standard","presentation_extended"],"practice_focus_refs":["practice-focus.balanced.v1","practice-focus.word-problems.v1","practice-focus.geometry-measurement.v1"],"standards_refs":["us_ccss:CCSS.3.MD.A.2","uk_england_nc:UK-NC-Y3-measure-capacity-volume","singapore_primary:SG-Primary3-Measurement-Capacity"],"school_program_refs":["us_ccss","uk_england_nc","singapore_primary"],"challenge_refs":["challenge.measure.capacity-volume-liquid.measure"],"story_fit_tags":["episodes with a real scale, instrument, duration, unit, rate, or money quantity"],"prerequisite_skill_refs":[],"next_skill_refs":["measure.length.compare-direct","measure.length.convert.customary-basic","measure.length.convert.metric-basic"],"next_family_refs":["module-family.measure.geometric-measurement.v1","module-family.dec.decimal-percent-reasoning.v1","module-family.oa.models-word-problems.v1"],"public_example_refs":[],"retrieval":{"aliases":["Capacity and liquid measure","measure.capacity-volume-liquid.measure","Measurement Units, Tools, Time, and Money","Rain volume versus tank"],"teacher_questions":["What does Capacity and liquid measure mean?","How does Capacity and liquid measure adapt?","Can I see an example of Capacity and liquid measure?"],"keywords":["capacity and liquid measure","measure","capacity-volume-liquid-measure","measurement units, tools, time, and money","canonical-task.measure.rain-catchment-overflow-entry.v1"],"short_answer_public":"Capacity and liquid measure builds measurement units, tools, time, and money through visual tasks, examples, and next-step routes.","canonical_links":[{"label":"Capacity and liquid measure","url":"/math/skills/measure/capacity-volume-liquid-measure"}],"safe_to_quote_snippets":["Capacity and liquid measure builds measurement units, tools, time, and money through visual tasks, examples, and next-step routes."],"example_refs":[]}}},"examples":[],"preview_artifacts":[]}