Grade 5 · Math
Count unit-fraction portions in whole amounts
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Example & extra help
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There are 2 liters of juice. Each cup holds liter. How many full cups can be filled?
- 9
- 11
- 12
- 10
See the answer & why
10
Each liter fills 5 cups of size liter. So 2 × 5 = 10 cups. Check: 10 × = 2.
A little hint: Count how many unit-fraction parts fit in one whole, then in all the wholes.
Ask how many portions of size 1/b fit in the amount, rather than sharing into b groups.
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