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Grade 5 Fractions of Whole Numbers

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

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1.What is 6/10 of 50?
2.What is 2/8 of 120?
3.What is 5/8 of 80?
4.What is 3/6 of 66?
5.What is 1/3 of 90?
6.What is 2/4 of 52?
7.What is 3/10 of 30?
8.What is 2/4 of 32?
9.What is 1/4 of 88?
10.What is 4/5 of 75?
11.What is 2/4 of 76?
12.What is 3/10 of 60?

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 5
  1. What is 6/10 of 50?30
  2. What is 2/8 of 120?30
  3. What is 5/8 of 80?50
  4. What is 3/6 of 66?33
  5. What is 1/3 of 90?30
  6. What is 2/4 of 52?26
  7. What is 3/10 of 30?9
  8. What is 2/4 of 32?16
  9. What is 1/4 of 88?22
  10. What is 4/5 of 75?60
  11. What is 2/4 of 76?38
  12. What is 3/10 of 60?18

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.