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Grade 5 Fractions of Whole Numbers

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

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1.What is 1/2 of 78?
2.What is 3/4 of 16?
3.What is 1/10 of 100?
4.What is 2/3 of 54?
5.What is 1/3 of 57?
6.What is 5/8 of 112?
7.What is 1/3 of 93?
8.What is 3/6 of 60?
9.What is 5/6 of 108?
10.What is 6/8 of 56?
11.What is 1/2 of 32?
12.What is 7/10 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 15
  1. What is 1/2 of 78?39
  2. What is 3/4 of 16?12
  3. What is 1/10 of 100?10
  4. What is 2/3 of 54?36
  5. What is 1/3 of 57?19
  6. What is 5/8 of 112?70
  7. What is 1/3 of 93?31
  8. What is 3/6 of 60?30
  9. What is 5/6 of 108?90
  10. What is 6/8 of 56?42
  11. What is 1/2 of 32?16
  12. What is 7/10 of 60?42

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.