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Celeste International School

Grade 3 · Worksheet

Fractions

Fractions as operators

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

    What is 1/4 of $12?

    $
  2. 2.

    What is 1/3 of 24?

  3. 3.

    What is 1/8 of 16?

  4. 4.

    What is one-tenth of 30?

  5. 5.

    What is 1/5 of 45?

  6. 6.

    What is one-quarter of 40?

  7. 7.

    To find one-fifth of a number, what do you do?

    1. AMultiply by 5
    2. BDivide by 5
    3. CAdd 5
  8. 8.

    A unit fraction is a fraction with a numerator of...

    1. A10
    2. B2
    3. C1
  9. 9.

    What is 1/2 of 16?

  10. 10.

    To find a tenth of a number you divide by 10.

    True False
  11. 11.

    To find one-sixth of a quantity you divide by 6.

    True False
  12. 12.

    What is 1/4 of 48?

  13. 13.

    What is 1/6 of 48?

  14. 14.

    What is 1/3 of 48?

  15. 15.

    What is 1/8 of 48?

  16. 16.

    What is one-tenth of 100?

  17. 17.

    What is 1/9 of 90?

  18. 18.

    What is 1/8 of 40?

  19. 19.

    Put these unit fractions in order, from smallest to largest.

    Write the order (smallest to largest) in the boxes:

    • ?1/3
    • ?1/6
    • ?1/4
  20. 20.

    For unit fractions, the larger the denominator, the ______ the fraction.

    1. Asmaller
    2. Blarger
    3. Csame
Celeste International School

Answer key

Fractions — Fractions as operators

  1. 1.3 $
  2. 2.8
  3. 3.2
  4. 4.3
  5. 5.9
  6. 6.10
  7. 7.B. Divide by 5
  8. 8.C. 1
  9. 9.8
  10. 10.True
  11. 11.True
  12. 12.12
  13. 13.8
  14. 14.16
  15. 15.6
  16. 16.10
  17. 17.10
  18. 18.5
  19. 19.1/6, 1/4, 1/3
  20. 20.A. smaller