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Grade 5 Fractions of Whole Numbers

Grade 5 · Stretch challenge · 12 questions · Version PG-1BGBFAX-1865

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1.What is 1/2 of 32?
2.What is 3/4 of 28?
3.What is 1/4 of 92?
4.What is 4/6 of 18?
5.What is 4/6 of 90?
6.What is 1/3 of 69?
7.What is 2/10 of 100?
8.What is 3/4 of 56?
9.What is 1/4 of 84?
10.What is 2/10 of 20?
11.What is 1/2 of 18?
12.What is 2/6 of 66?

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 1
  1. What is 1/2 of 32?16
  2. What is 3/4 of 28?21
  3. What is 1/4 of 92?23
  4. What is 4/6 of 18?12
  5. What is 4/6 of 90?60
  6. What is 1/3 of 69?23
  7. What is 2/10 of 100?20
  8. What is 3/4 of 56?42
  9. What is 1/4 of 84?21
  10. What is 2/10 of 20?4
  11. What is 1/2 of 18?9
  12. What is 2/6 of 66?22

Worked example

5/6 of 42 = 35. Divide 42 by 6, then multiply 7 by 5.

Common mistake

Multiplying before dividing and creating unnecessary large numbers.

Helpful hint

Divide by the denominator first when it divides evenly.