These paper plans are invented. Choose book swap, games, garden model or mini museum when the card allows. Your job is to show what the given numbers and words support, and what they cannot tell you. You may write, type, speak, sign, use AAC, point to large cards or direct an adult to move them. Keep your first idea and later change. A private visitor or teacher role-play is fine; you may pass on public sharing. Use Source A/B and a blank mat or text version. Your teacher gives any new example at the right time.
Day 11 · What do the sources actually say?
- A · Book swap: find two number facts, one flyer claim they cannot prove, and one question for a real organiser.
- B · Games meet: do the same for boxes and cards. Say whether cards count people.
- C · Garden model: use the flyer and the table. What still needs a calculation before anyone says the plan fits?
Day 12 · Make an estimate, then mark its limit
- A · Book swap: use nearby easy factors for 46×18. Is your estimate above or below the planned total?
- B · Games meet: use nearby easy factors for 24×37. Does your estimate alone settle the 900-card rule?
- C · Mini museum: use nearby easy factors for 42×21. Explain why “about” is useful even when an exact answer is still needed.
Day 13 · Explain a product someone else can check
- A · Book swap: calculate 46×18 with visible tens and ones parts, then compare with 900.
- B · Games meet: calculate 24×37 with an area, grid or written strategy; label the card unit.
- C · Your own safe paper model: keep one factor from Source A but choose a new equal-group count. Label it as your revision and show its exact total.
Day 14 · Repair a confident flyer
- A · Garden model: calculate 29×32, then write a fair correction to “easily fits”.
- B · Mini museum: calculate 42×21, then say exactly which rule the result answers.
- C · Compare: calculate both A and B; explain why neither total proves a visitor preference.
Day 15 · New guided example, after your subject checks
A new paper plan has 33 groups of 26 cards. It is not one of the four Source A options. Make a benchmark before calculating; show an exact route and decide whether the 900-card rule is met. Tell a visitor one thing the numbers do not say. Save any revision after the visitor's question. This is open project work, not your separate unseen check.
Day 16 · Two different priorities
- A · Reader view: paraphrase the imagined reader's wish for clear labels without claiming a survey happened.
- B · Organiser view: paraphrase the imagined organiser's wish for every group to be represented and a checked total.
- C · Fair note: put both views side by side for one chosen valid plan; add one question to ask actual users later.
Day 17 · Check by a different route
- A · Games meet: check 24×37 with an inverse or by changing 25 groups to 24 groups.
- B · Book swap: check 46×18 with a second product route or a related division fact.
- C · Mini museum: check 42×21 and use a benchmark to spot an answer ten times too large.
Day 18 · A revision needs a new label
- A · Garden model: try one fewer tray with 32 cards per tray. Show the new product and the original plan separately.
- B · Unknown: solve
? × 32 = 896and check your value by substitution. What does the question mark count? - C · Design trade-off: choose a different group count for the garden model that fits 900. Ask what design question the arithmetic still cannot answer.
Day 19 · A recommendation another person can question
- A · Written: make a short guide with a message-first sentence, source line, product, 900-card decision, other view and an unknown.
- B · Diagram + captions: show groups and cards clearly, then add the same source, constraint, view and unknown in captions or AAC.
- C · Spoken or signed with a mat: rehearse to a consenting visitor, show the inspectable product and name one limit. Record delivery features only if you actually deliver it.
Day 20 · New plan and honest handover, after your subject checks
A new plan proposes 22 groups of 41 cards. Estimate, calculate and compare with 900. Make one clearly labelled revision, show its new total, and explain what a real organiser still needs to check. Use a private visitor if you prefer. Keep your first work and one change. This guided project task does not replace the separate fresh subject checks.
At home, only if useful: use scrap paper and a pencil to make a tiny two-group model. A carer can ask “what is a group?”, “what is each group size?”, “what did your source actually say?” and “what would you ask next?” No purchase, account, filming or real event is required. Original SubjectNest learner copy © NeuroForgeIO Pty Ltd 2026, CC BY 4.0; credit, link and note changes.