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Grade 5 Fractions of Whole Numbers

Grade 5 · On-level practice · 12 questions · Version PG-CMD9CT-1PK9

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1.What is 3/5 of 45?
2.What is 1/2 of 14?
3.What is 7/10 of 40?
4.What is 1/4 of 72?
5.What is 5/6 of 18?
6.What is 2/6 of 90?
7.What is 1/6 of 36?
8.What is 7/10 of 80?
9.What is 2/6 of 30?
10.What is 7/10 of 120?
11.What is 1/4 of 104?
12.What is 6/8 of 32?

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 14
  1. What is 3/5 of 45?27
  2. What is 1/2 of 14?7
  3. What is 7/10 of 40?28
  4. What is 1/4 of 72?18
  5. What is 5/6 of 18?15
  6. What is 2/6 of 90?30
  7. What is 1/6 of 36?6
  8. What is 7/10 of 80?56
  9. What is 2/6 of 30?10
  10. What is 7/10 of 120?84
  11. What is 1/4 of 104?26
  12. What is 6/8 of 32?24

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.