Chapter 11 Adding and Subtracting Fractions Go Math 4th Grade

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Which of the following sums or differences is incorrect?

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• It is reasonable because 1/4 + 1/4 = 2/4

• It is reasonable because 1/2 + 1/2 = 1

• It is not reasonable because 1/4 + 2/4 = 1

• It is not reasonable because 1/3 + 1/3 = 2/3

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CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

• 6 quarts

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5

• 4

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

• Yes

• No

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• Yes

• No

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• Emma is correct because she rewrote each mixed number as a fraction greater than one

• Emma is incorrect because she only wrote the whole numbers as fractions greater than one

• Emma is correct because she only subtracted the numerators and not the denominators

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D