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A fictional paper store · my responseYear 4 Maths · T2 W11–12 · Assessment / Own / A later

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After subtraction with regrouping and inverse checks have actually been taught, e.g. Day 54. Teaching this source makes its later use exposed; receive supported work honestly.

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Read or hear the complete source

An imagined paper store starts with 704 cards and uses 168 cards once. Find the cards left. This is a different opportunity after teaching, not an equal-difficulty test form or a progress measure.

What does each count mean, and what number sentence finds cards left?

Find cards left using a strategy you can show.

A made-up note says “subtract each smaller digit from each bigger digit, so 704−168=664”. Keep or repair this method with a reason.

Check your result and explain what it counts.

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Exact source: 4648f91e381afcd8f44278b0cd20c1791389d9db · 2026-10-13. Source edition, roles and hashes

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