Building and Decomposing Fractions

Decompose this fractions 7/10

• 7/10+4/10

• 4/10+3/10

• 5/10+1/10

• 2

Tags

CCSS.4.NF.B.3A

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

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

• 
• 
• 
• 

Tags

CCSS.4.NF.B.3A

Which is a CORRECT way to decompose ⁵/₆?

• ¹/₆ + ¹/₆ + ¹/₆ + ¹/₆ + ¹/₆

• ¹/₆ + ¹/₆ + ¹/₆ + ¹/₆ + ¹/₆ + ¹/₆

• ³/₃ + ²/₃

• ²/₄ + ³/₂

Tags

CCSS.4.NF.B.3A

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

• 1/4 + 1/4

• 2/4 + 1/4

• 1/4 + 1/4 + 1/4

• 3/4 + 1/4

Tags

CCSS.4.NF.B.3B

7/8 =

Choose one way to decompose 7/8 into smaller parts.

• 5/8 + 3/8 + 1/8

• 2/8 + 2/8 + 2/8

• 4/8 + 2/8 + 1/8

• 3/8 + 3/8 + 3/8

Tags

CCSS.4.NF.B.3B

Decompose this fraction : 4/5

• 1/5=+9/5

• 2/5+2/5

• 2/10-3/10

• 9

Tags

CCSS.4.NF.B.3B

3/4 = ?

Choose one way to decompose 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.3B

write 3/4 as a sum of unit fractions

• 1/4 + 1/4 + 1/4 + 1/4

• 2/4 + 1/4

• 1/4 + 1/4 + 1/4

• 1/4 + 1/4 + 1/4 + 1/4 + 1/4

Tags

CCSS.4.NF.B.3B