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Grade 5 Fractions of Whole Numbers

Grade 5 · Building confidence · 12 questions · Version PG-PICUQ0-1RQ7

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1.What is 2/10 of 20?
2.What is 4/5 of 10?
3.What is 1/4 of 64?
4.What is 1/8 of 64?
5.What is 9/10 of 50?
6.What is 9/10 of 60?
7.What is 1/4 of 104?
8.What is 8/10 of 60?
9.What is 1/4 of 32?
10.What is 2/6 of 30?
11.What is 2/4 of 64?
12.What is 3/5 of 10?

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 4
  1. What is 2/10 of 20?4
  2. What is 4/5 of 10?8
  3. What is 1/4 of 64?16
  4. What is 1/8 of 64?8
  5. What is 9/10 of 50?45
  6. What is 9/10 of 60?54
  7. What is 1/4 of 104?26
  8. What is 8/10 of 60?48
  9. What is 1/4 of 32?8
  10. What is 2/6 of 30?10
  11. What is 2/4 of 64?32
  12. What is 3/5 of 10?6

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.