5th grade equivalent ratios worksheets

Your child fills in the missing number in a pair of equivalent ratios, such as 8 : 6 = ? : 12, by finding what both parts were multiplied by. At the hardest level the given ratio is not in simplest form, as in 6 : 10 = ? : 15, so it helps to simplify it first.

Common Core 6.RP.A.3 (Ratios and Proportional Relationships)

Sample problems

  1. Sample 15 : 1 = ? : 3

    Answer: 15

  2. Sample 27 : 1 = 14 : ?

    Answer: 2

  3. A bit harder10 : 5 = ? : 15

    Answer: 30

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Equivalent ratios