C15 · Complete neutral exitYear 4 Maths · T2 W13–14 · Ordinary / C15
Source review complete · local suitability still needs review.
Need exactly 12 items for a fictional class activity. Pretend A packs 3 for $9; B packs 4 for $16. Whole packs and no extras. Compare full costs for the same quantity. Work out the whole-dollar cost of one item in each offer. Explain how those unit costs help you check the full-cost comparison.
Use your own model, number sentence/strategy, check and useful message. Record actual support.
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Reviewed source editionSource review is complete for this two-week edition. Local suitability and classroom use still need review. Earlier candidate or pending-review words are retained in the original files; full-year coverage, translations and audio are not claimed.
Exact source: 577058ced649e2f96e3de794aca72319074fb4c0 · 2026-10-15. Source edition, roles and hashes
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