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3B · Chapter 8 · review

Chapter review

Original cumulative chapter practice to consolidate taught ideas.

Original cumulative chapter practice to consolidate taught ideas. Solutions are available as revealable feedback and in a separate complete answer key. No answer submissions or accounts are required.

Assessment · 26 questions

Questions

Show your thinking; use diagrams when they help. Do not open solutions during your first attempt.

Check your work: Finish the problems first, then ask a parent or tutor to review them with the separate answer-key copy.

  1. A1

    There are 6 equal trays with 7 counters on each tray. How many counters are there?

  2. A2

    Compute 7 × 10. Explain a strategy using a known fact.

  3. A3

    An array has 6 rows, with 10 objects in each row. Split it into smaller arrays and find the total.

  4. A4

    24 counters are shared equally into 6 groups. How many counters are in each group?

  5. A5

    There are 8 equal trays with 8 counters on each tray. How many counters are there?

  6. A6

    There are 9 equal trays with 7 counters on each tray. How many counters are there?

  7. A7

    An array has 9 rows, with 9 objects in each row. Split it into smaller arrays and find the total.

  8. A8

    64 counters are shared equally into 8 groups. How many counters are in each group?

  9. A9

    Compute 6 × 6. Explain a strategy using a known fact.

  10. A10

    Find 7 groups of 5. Can you use 6 groups plus one more?

  11. A11

    Explain how splitting 6 equal groups of 4 helps you find their total.

  12. A12

    Each tray holds 6 counters. How many full trays are required to arrange 54 counters?

  13. A13

    Compute 8 × 7. Explain a strategy using a known fact.

  14. A14

    Compute 9 × 10. Explain a strategy using a known fact.

  15. A15

    Use two useful multiplication facts to work out 9 × 8. What is the product?

  16. A16

    98 stickers are arranged in complete groups of 9. How many complete groups and how many stickers remain?

  17. A17

    Find 6 groups of 7. Can you use 5 groups plus one more?

  18. A18

    Compute 7 × 6. Explain a strategy using a known fact.

  19. A19

    An array has 7 rows, with 4 objects in each row. Split it into smaller arrays and find the total.

  20. A20

    60 counters are shared equally into 6 groups. How many counters are in each group?

  21. A21

    There are 8 equal trays with 7 counters on each tray. How many counters are there?

  22. A22

    Find 9 groups of 5. Can you use 8 groups plus one more?

  23. A23

    Explain how splitting 9 equal groups of 5 helps you find their total.

  24. A24

    Each tray holds 9 counters. How many full trays are required to arrange 36 counters?

  25. A25

    An array has 7 rows of 5 dots. A student says turning it creates 5 more dots. Explain the error and find the total.

  26. A26

    Without counting individual counters, show two different decompositions for 6 × 7, and explain why both work.

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