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Grade 5 Fractions of Whole Numbers

Grade 5 · Stretch challenge · 12 questions · Version PG-1CK9U2T-1865

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1.What is 1/2 of 84?
2.What is 9/10 of 50?
3.What is 5/6 of 90?
4.What is 1/4 of 52?
5.What is 7/8 of 80?
6.What is 2/6 of 12?
7.What is 1/6 of 24?
8.What is 2/8 of 16?
9.What is 2/4 of 68?
10.What is 3/4 of 12?
11.What is 1/3 of 42?
12.What is 1/4 of 12?

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 1/2 of 84?42
  2. What is 9/10 of 50?45
  3. What is 5/6 of 90?75
  4. What is 1/4 of 52?13
  5. What is 7/8 of 80?70
  6. What is 2/6 of 12?4
  7. What is 1/6 of 24?4
  8. What is 2/8 of 16?4
  9. What is 2/4 of 68?34
  10. What is 3/4 of 12?9
  11. What is 1/3 of 42?14
  12. What is 1/4 of 12?3

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.