Year 1 Maths · resources 15–16 · Days 71–80

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C17 · Check a fair-start planYear 1 Maths · T2 W15–16 · Teacher · Teacher / Contexts / C17

Fictional ordinary teaching source. Keep the worked response with adults/after-own teaching; it is never a preset for a held own response.

C17

Twelve whole bookmark cards must be shared equally between two pretend makers. A supplied plan gives seven cards to one maker and five to the other. Does this plan make equal shares? How could the same twelve be shared equally?

Adult worked possibility · after own attempt

The supplied 7/5 plan keeps the total 12 but is unequal. Move one card from the seven-card place to the five-card place:6/6 is equal. Name 12 as the whole collection and 2 as the known number of recipients. Deal one bookmark card to each recipient in a complete round, or make a different equal-allocation model the child can explain. After 6 complete rounds each recipient has 6 bookmark cards; 0 whole bookmark cards remain aside. Check every recipient has the same amount and that every member of the original collection is in exactly one recipient place or the leftover place. The collection check is 6 + 6=12. The requested answer names an amount per recipient, not the total or number of recipients. Do not split a whole card or invent more members; another fairness arrangement would need a different agreed job.

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