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Grade 5 Fractions of Whole Numbers

Grade 5 · Building confidence · 12 questions · Version PG-1U7KJSS-1RQ7

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1.What is 3/5 of 80?
2.What is 1/4 of 68?
3.What is 1/5 of 60?
4.What is 1/2 of 86?
5.What is 1/3 of 120?
6.What is 3/4 of 112?
7.What is 1/8 of 72?
8.What is 1/2 of 68?
9.What is 8/10 of 100?
10.What is 3/5 of 105?
11.What is 4/6 of 60?
12.What is 3/6 of 78?

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 13
  1. What is 3/5 of 80?48
  2. What is 1/4 of 68?17
  3. What is 1/5 of 60?12
  4. What is 1/2 of 86?43
  5. What is 1/3 of 120?40
  6. What is 3/4 of 112?84
  7. What is 1/8 of 72?9
  8. What is 1/2 of 68?34
  9. What is 8/10 of 100?80
  10. What is 3/5 of 105?63
  11. What is 4/6 of 60?40
  12. What is 3/6 of 78?39

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.