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Grade 5 Fractions of Whole Numbers

Grade 5 · Building confidence · 12 questions · Version PG-1WPK4JI-1RQ7

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1.What is 5/6 of 72?
2.What is 3/6 of 54?
3.What is 2/3 of 69?
4.What is 2/3 of 78?
5.What is 2/3 of 66?
6.What is 1/3 of 39?
7.What is 5/6 of 120?
8.What is 4/8 of 32?
9.What is 2/8 of 48?
10.What is 1/6 of 120?
11.What is 1/2 of 22?
12.What is 1/5 of 50?

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 20
  1. What is 5/6 of 72?60
  2. What is 3/6 of 54?27
  3. What is 2/3 of 69?46
  4. What is 2/3 of 78?52
  5. What is 2/3 of 66?44
  6. What is 1/3 of 39?13
  7. What is 5/6 of 120?100
  8. What is 4/8 of 32?16
  9. What is 2/8 of 48?12
  10. What is 1/6 of 120?20
  11. What is 1/2 of 22?11
  12. What is 1/5 of 50?10

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.