Finding the Sum of Fractions

How can you decompose 4/7?

• 1/7 + 1/7 + 1/7 + 1/7
• 2/7 + 2/7
• 3/7 + 1/7
• all of the above

Tags

CCSS.4.NF.B.3B

How can you get 3/4?

• 1/4 + 1/4
• 2/4 + 1/4
• 1/4 + 1/4 + 1/4 + 1/4
• 3/4 + 1/4

Tags

CCSS.4.NF.B.3A

How can you decompose 3/9 into a sum of unit fractions?

• 1/9 + 1/9 + 1/9

• 2/9 + 1/9

• 1/3 + 1/3

• 3/9 + 1/9

Tags

CCSS.4.NF.B.3B

Which fractions create a sum of 6/10

• 1/5 + 5/5

• 2/10 + 4/10

• 3/10 + 3/10

• 1/10 + 1/10 + 3/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How could you show a sum of fractions that equals 6/8?

Tags

CCSS.4.NF.B.3A

Decompose 5/12 into the sum of its unit fractions.

• 1/5+1/5+1/5+1/5+1/5 = 5/12
• 1/12+1/12+1/12+1/12+1/12 = 5/12
• 1/5+1/12+1/5+1/12+1/5 = 5/12
• 4/12+1/12 = 5/12

Tags

CCSS.4.NF.B.3B

What is the sum of unit fractions for this pictorial model?

• 1/2 + 1/2= 2/2
• 1/4 + 1/4= 2/4
• 1/4 + 1/4= 2/8
• 1/3+ 1/3= 2/3

Tags

CCSS.4.NF.B.3A

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Tags

CCSS.4.NF.B.3A

1/3 + 1/3 + 1/3 =

• 1/3

• 3/3

• 2/3

• 3

Tags

CCSS.4.NF.B.3A

Mrs. Sanchez has 1/2 of the sandwich, Mrs. Yzaguirre has 1/2 of the sandwich. How much sandwich do they have in all?

• 1/2 + 1/2 + 1/2

• 1/2

• 2

• 1/2 + 1/2

Tags

CCSS.4.NF.B.3A