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Celeste International School

Grade 5 · Worksheet

The number system

Rounding decimals

Name: ______________________________Date: ______________Score: ______ / 20
  1. 1.

    Round 4.09 to the nearest whole number.

  2. 2.

    Round 7.45 to the nearest whole number.

  3. 3.

    Round 9.55 to the nearest whole number.

  4. 4.

    Round 7.97 to the nearest whole number.

  5. 5.

    Round 12.22 to the nearest whole number.

  6. 6.

    Round 4.52 to the nearest tenth.

  7. 7.

    Round 2.35 to the nearest tenth.

  8. 8.

    Round 6.45 to the nearest tenth.

  9. 9.

    Round 7.97 to the nearest tenth.

  10. 10.

    Round 12.22 to the nearest tenth.

  11. 11.

    What is 9.55 rounded to the nearest whole number?

    1. A9
    2. B10
    3. C9.5
  12. 12.

    7.45 rounds to 8 to the nearest whole number.

    True False
  13. 13.

    2.55 rounds to 3 to the nearest whole number.

    True False
  14. 14.

    $14.65 is $14 to the nearest dollar.

    True False
  15. 15.

    263 rounds to 250 to the nearest 10.

    True False
  16. 16.

    254 rounds to 260 to the nearest 10.

    True False
  17. 17.

    15 rounds to 30 to the nearest 10.

    True False
  18. 18.

    149 rounds to 140 to the nearest 10.

    True False
  19. 19.

    243 rounds to 250 to the nearest 10.

    True False
  20. 20.

    Estimate the answer to 19.7 × 4 by rounding to the nearest whole number.

Celeste International School

Answer key

The number system — Rounding decimals

  1. 1.4
  2. 2.7
  3. 3.10
  4. 4.8
  5. 5.12
  6. 6.4.5
  7. 7.2.4
  8. 8.6.5
  9. 9.8
  10. 10.12.2
  11. 11.B. 10
  12. 12.False
  13. 13.True
  14. 14.False
  15. 15.False
  16. 16.False
  17. 17.False
  18. 18.False
  19. 19.False
  20. 20.80