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Fractions of Whole Numbers

Grade 4 · On-level practice · 12 questions · Version PG-1HZ8AM5-JW6W

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1.What is 1/3 of 48?
2.What is 2/3 of 42?
3.What is 4/10 of 40?
4.What is 3/5 of 45?
5.What is 1/4 of 40?
6.What is 4/6 of 54?
7.What is 1/2 of 14?
8.What is 7/10 of 30?
9.What is 2/10 of 60?
10.What is 4/8 of 32?
11.What is 2/3 of 48?
12.What is 2/5 of 45?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 13
  1. What is 1/3 of 48?16
  2. What is 2/3 of 42?28
  3. What is 4/10 of 40?16
  4. What is 3/5 of 45?27
  5. What is 1/4 of 40?10
  6. What is 4/6 of 54?36
  7. What is 1/2 of 14?7
  8. What is 7/10 of 30?21
  9. What is 2/10 of 60?12
  10. What is 4/8 of 32?16
  11. What is 2/3 of 48?32
  12. What is 2/5 of 45?18

Worked example

3/4 of 20 = 15. Divide 20 by 4, then multiply 5 by 3.

Common mistake

Dividing by the numerator instead of the denominator.

Helpful hint

Divide by the bottom number, multiply by the top number.