Tweet # Common Core Standard 4.NF.B.3b Questions

Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model. Examples: 3/8 = 1/8 + 1/8 + 1/8 ; 3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8.

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Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3b
Jack wants to list 6/12 as a sum of unit fractions. Which of the following should he write?
1. 1/12 + 1/12 + 1/12 + 1/12 + 1/12 + 1/12
2. 1/12 + 5/12
3. 1/12 + 2/12 + 3/12
4. 2/12 + 2/12 + 2/12
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3b
Matthew's dad sells golf balls online. He sells 3/5 of the golf balls. Which is equivalent to 3/5?
1. 1/5 + 1/5 + 1/5
2. 2/5 + 2/5 + 2/5
3. 1/5 + 1/5 + 2/5
4. 1/5 + 2/5 + 1/5
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3b
Grade 4 Mixed Numbers CCSS: 4.NF.B.3, 4.NF.B.3b
The mixed number $2 2/5$ can also be expressed as which of the following?
1. $1 + 1/5 + 1/5$
2. $1 + 2/5 + 2/5$
3. $2 + 1/5 + 1/5$
4. $2 + 2/5 + 2/5$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3b
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