Decompose Fractions Using Unit Fractions

• Because 4 groups of 1/12 is 4/12

• 3 x 1/12 = 1/3

• Because 4/12 is equivalent to 1/3

• 4 x 1/12 is 4/12

Tags

CCSS.5.NF.B.5B

Decompose the fraction into the sum of unit fractions.

4/5

• 4 x 1/5

• 1/5 + 1/5 + 1/5 +1/5 + 1/5

• 2/5 + 2/5

• 4 x 5

Tags

CCSS.4.NF.B.3A

Leo collects trading cards. He has six boxes of cards, and each box has 1/4 of a deck. Which mulitplication sentence shows how the fraction of cards that Leo has.

• 1/4 + 1/4 1/4 + 1/4 + 1/4+ 1/4

• 6 x 4

• 1/6 x 1/4

• 6 x 1/4

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Which describes breaking apart this model?

• 2/3 = 1/3 + 1/3

• 2/3 = 1/3 + 1/2

• 2/3 = 1/3 + 1/3 + 1/3

Tags

CCSS.4.NF.B.3A

Decompose the following fraction:
6/10

• 1/5 + 5/5

• 2/10 + 4/10

• 3/10 + 2/10

• 1/10 + 1/10 + 3/10

Tags

CCSS.4.NF.B.3B

Write 5/7 as a unit fraction. 

• 1/7 + 1/7 + 1/7 + 1/7 + 1/7

• 1/7 + 1/7 + 1/7 + 1/7 + 1/7 + 1/7 + 1/7 

• 2/7 + 3/7 

• 1/5 + 1/5 + 1/5 + 1/5 + 1/5 + 1/5 + 1/5 

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

BONUS QUESTIONS: To break down fractions into smaller units means to​ (a)  

• unit fractions

• decompose

• compose

Tags

CCSS.4.NF.B.3B

Decompose this fraction.

• 1/6 + 1/6 +1/6 +1/6

• 1/4 + 1/4 + 1/4 +1/4 1/4

• 1/4 +1/4 + 1/4 + 1/4 +1/4 1/4

Tags

CCSS.4.NF.B.3A

Which of the following is not a way to decompose 8/12

• 1/12, 1/12, 1/12, and 5/12

• 5/12 and 2/12

• 8/12 + 0/12

• 2/12 + 2/12 + 3/12 + 1/12

Tags

CCSS.4.NF.B.3B