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Fractions of Whole Numbers

Grade 4 · Building confidence · 12 questions · Version PG-1VSQ08T-F2ZU

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1.What is 2/10 of 30?
2.What is 1/8 of 16?
3.What is 2/5 of 50?
4.What is 1/2 of 28?
5.What is 5/10 of 20?
6.What is 8/10 of 30?
7.What is 7/8 of 16?
8.What is 3/4 of 16?
9.What is 1/6 of 48?
10.What is 1/2 of 24?
11.What is 1/3 of 33?
12.What is 1/2 of 18?

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 15
  1. What is 2/10 of 30?6
  2. What is 1/8 of 16?2
  3. What is 2/5 of 50?20
  4. What is 1/2 of 28?14
  5. What is 5/10 of 20?10
  6. What is 8/10 of 30?24
  7. What is 7/8 of 16?14
  8. What is 3/4 of 16?12
  9. What is 1/6 of 48?8
  10. What is 1/2 of 24?12
  11. What is 1/3 of 33?11
  12. What is 1/2 of 18?9

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.