Compose and Decompose Fractions

Which is not a unit fraction?

• 5/6

• 1/2

• 1/5

• 1/8

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.3.G.A.2

CCSS.3.NF.A.1

CCSS.3.NF.A.3

Which expression shows 3/4 as a sum of unit fractions?

• 2/4 + 2/4

• 1/4 + 1/4 + 1/4

• 3/4 + 1/4

• 2/2 = 1/2

Tags

CCSS.4.NF.B.3B

A unit fraction has _____ as its numerator.

• 1
• 2
• 3
• 4

Tags

CCSS.3.NF.A.2A

CCSS.3.NF.A.1

What unit fraction is represented by the picture?

• 1/3
• 1/2
• 1/4
• 1

Tags

CCSS.3.NF.A.2A

CCSS.3.NF.A.1

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

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

Which of these is NOT a correct way to decompose 6/8?

• 1/8 + 5/8

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8

• 3/8 + 3/8

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8

Tags

CCSS.3.NF.A.1

What is the top number in a fraction called?

• denominator
• numerator
• denominator and numerator
• unit fraction

Tags

CCSS.3.NF.A.1

A unit fraction sometimes has a one in the numerator.

• True
• False

Tags

CCSS.3.NF.A.1