Building and decomposing fractions

What does it mean to decompose a fraction?

• To combine two fractions into one

• To find the reciprocal of a fraction

• To break down a fraction into a sum of fractions with the same denominator

• To reduce a fraction to its simplest form

Tags

CCSS.4.NF.B.3B

Tags

CCSS.4.NF.B.3B

Tags

CCSS.4.NF.B.3B

How can you decompose 5/8?

• 4/8 + 1/8

• 1/8 + 1/8 + 1/8 + 1/8 +1/8

• 3/8 + 2/8

• All of the above

Tags

CCSS.4.NF.B.3B

How can you decompose $\frac{4}{5}?$  

•  $\frac{4}{5}=\frac{1}{5}+\ \frac{1}{5}$  

•  $\frac{4}{5}=\frac{1}{5}+\frac{1}{5}+\frac{2}{5}$  

•  $\frac{4}{5}=\frac{1}{5}+\frac{1}{5}+\frac{1}{5}$  

•  $\frac{4}{5}=\frac{3}{5}+\ \frac{3}{5}$  

Tags

CCSS.4.NF.B.3B

Decompose the following fraction:
5/8

• 1/8 + 1/8 + 1/8 + 2/8
• 3/8 + 2/3
• 1/8 + 3/8
• 8/2 + 8/3

Tags

CCSS.4.NF.B.3B

How do you decompose 6/10 into a sum of unit fractions?

• 1/10 + 5/10
• 3/10 + 3/10
• 1/10 + 1/10 + 1/10 + 1/10 + 1/10 + 1/10
• 4/10 + 2/10

Tags

CCSS.4.NF.B.3B

If you decompose the fraction 7/8 into two fractions, which of the following could be one of the fractions?

• 3/8

• 7/16

• 1/8

• 2/7

Tags

CCSS.4.NF.B.3B

How can you decompose 4/5 into a sum of unit fractions?

• 2/5 + 2/5

• 1/5 + 1/5 +1/5 + 1/5

• 3/5 + 1/5

• 1/2 + 1/2 + 1/2 +1/2

Tags

CCSS.4.NF.B.3B

Determine which expression shows 5/6 as a sum of unit fractions?

• 1/6 + 1/6 + 1/6 + 1/6 + 1/6

• 3/6 + 3/6

• 6/1 + 6/1 + 6/1 + 2/6

Tags

CCSS.4.NF.B.3B