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3A · Chapter 5 · Practice

Practice A

Attempt independently, then review the full reasoning in the answer key.

Attempt independently, then review the full reasoning in the answer key. No name, account, or answer is transmitted to any server.

Assessment · 12 questions

Problems

Try the questions first. The complete answer key is provided separately to parents.

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

  1. A1

    Find 7 × 200; explain the units of the product.

  2. A2

    Find 8 × 50; explain the units of the product.

  3. A3

    Find 2 × 800; explain the units of the product.

  4. A4

    Calculate 322 × 2 using partial products.

  5. A5

    Calculate 322 × 3 using partial products.

  6. A6

    Calculate 332 × 2 using partial products.

  7. A7

    Calculate 53 × 2 and show the exchanges.

  8. A8

    Calculate 63 × 2 and show the exchanges.

  9. A9

    Calculate 73 × 2 and show the exchanges.

  10. A10

    Calculate 15 × 2 and show the exchanges.

  11. A11

    Calculate 25 × 2 and show the exchanges.

  12. A12

    Calculate 35 × 2 and show the exchanges.

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