Grade 5: Go Math! Module 5 (Concepts and Skills)

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Use the properties and mental math to solve. Write your answer in simplest form. 3 5/9 + (1 7/9 + 2 5/12)

10 1/6

Estimate the sum or difference 8/9 + 4/7

1 1/2

Estimate the sum or difference 1 5/6 + 2 2/11

4

Use the properties and mental math to solve. Write your answer in simplest form. 1 4/5 + (2 3/20 + 3/5)

4 11/20

Estimate the sum or difference 3 2/5 - 5/8

3

Use the properties and mental math to solve. Write your answer in simplest form. (3/8 + 2/3) + 1/3

1 3/8

Use the least common denominator to write an equivalent fraction for each fraction 2/5,1/10

Least common denominator:10 Equivalent fractions:4/10,1/10

Use the least common denominator to write an equivalent fraction for each fraction 1/3,2/7

Least common denominator:21 Equivalent fractions:7/21,6/21

Use the least common denominator to write an equivalent fraction for each fraction 5/6,3/8

Least common denominator:24 Equivalent fractions:20/24,9/24


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