Instruction
Provide the same seven labelled genuinely empty areas, all twenty complete neutral sources and usual communication options. Keep a first and second note manually with complete conditions/words including blank areas. Name the two versions chosen for a comparison. An update requires a complete new version or an explicit changed area. Paper guidance must not imply automatic Preview, Keep, Compare, Restore or Clear without script. Adult checking remains separate from the learner’s own response.
Manual model activity
Choose a part/whole, start/use/left or two equal sides relationship. Arrange your own paper labels, draw it, describe it or direct a helper. The optional digital note can hold literal labels and the learner’s exact description; it must not silently calculate or assess them. Calculation, reasoning, an actual manipulation and a proposed manipulation remain distinct evidence. A grown-up can check mathematics on separate work.
Access
Show, draw, type, sign, use your usual communication or direct an agreeing helper. Choose quiet/private work, switch a route, pause, pass or finish. One useful part is enough. A helper can read the exact words or scribe your choices; supplying an operation, count, regrouping or reason is mathematical help and is named. No speed, neatness, speech, handling or device requirement.
Ordinary sources
Id
C01
Title
Repair slips
Purpose
Name both parts and the whole.
Complete source
A fictional repair desk receives 312 paper slips and 124 more of the same kind.
Id
C02
Title
Story cards
Purpose
Distinct card types can join as a total card count; no story quality claim.
Complete source
An invented story archive joins 523 scene cards and 245 character cards; all are counted as cards.
Id
C03
Title
Game badges
Purpose
Keep both badge counts and the joined total distinct.
Complete source
A fictional badge set has 186 blue and 257 plain badges.
Id
C04
Title
Sound prompt cards
Purpose
Represent one hundred crossing.
Complete source
An imagined sound game has 438 prompt cards and 185 new prompt cards. No volume or hearing task is required.
Id
C05
Title
Sticker strips
Purpose
Show the extra one and its removal.
Complete source
A fictional sticker plan joins 399 and 146 stickers.
Id
C06
Title
Costume labels
Purpose
Compare an estimate with an exact total, explaining their purposes.
Complete source
An invented costume plan joins 698 and 257 labels.
Id
C07
Title
Map tiles
Purpose
No real map or journey claim.
Complete source
A fictional tabletop map has 705 tiles, removes 268 from the design.
Id
C08
Title
Puzzle pieces
Purpose
Keep count-up as connected check.
Complete source
An imagined puzzle store has 902 pieces and uses 457 once.
Id
C09
Title
Reading slips
Purpose
Difference counts slips, not reading ability.
Complete source
Two made-up reading stations list 1301 and 987 slips. Both collections remain.
Id
C10
Title
Recycling game
Purpose
No environmental impact claim.
Complete source
Two invented recycling-game trays show 2002 and 1786 point cards; no waste-weight observation.
Id
C11
Title
Print target
Purpose
Box is the missing part, not 630.
Complete source
A fictional print target is 630 cards, 287 available: 287+□=630.
Id
C12
Title
Creature game
Purpose
Nothing about real animals or habitat.
Complete source
An invented creature card target is 900, 576 already counted.
Id
C13
Title
Archive retirement
Purpose
Unknown is used amount.
Complete source
A fictional archive starts 840 cards, ends 518: 840−□=518.
Id
C14
Title
Paper theatre
Purpose
Not actual ticket sales.
Complete source
A fictional theatre uses 237 paper tickets and has 486 left:□−237=486.
Id
C15
Title
Two-box puzzle
Purpose
Compute known side before missing part.
Complete source
An invented equation is 176+□=400+30.
Id
C16
Title
Shelf puzzle
Purpose
Keep both full sides equal and describe what the box counts.
Complete source
An imaginary equation is 900−250=□+328.
Id
C17
Title
Poster budget
Purpose
No real fee, cents or financial advice.
Complete source
Pretend AUD costs $197 and $186 are compared with $380 budget.
Id
C18
Title
Clue supply
Purpose
An estimate can check scale, not exact gap.
Complete source
A made-up puzzle needs 500 clue slips; 278+195 are available.
Id
C19
Title
Paper garden game
Purpose
Plant words are fiction, no growing instructions.
Complete source
An invented paper-garden game starts 685 markers, receives 147, then uses 238.
Id
C20
Title
Robot-card relay
Purpose
Order and units are stated, not guessed.
Complete source
A fictional robot card tray starts 1207, uses 286, then receives 149.
My source or situation
[Empty broad area]
First count and unit
[Empty broad area]
Second count and unit
[Empty broad area]
My wanted quantity or equation
[Empty broad area]
My strategy or representation
[Empty broad area]
My result and what it means
[Empty broad area]
My check or wanted next move
[Empty broad area]