Models for Adding and Subtracting Fractions

Add

4/6 + 2/6

• 1

• 5/6

• 2/6

• 7/6

Tags

CCSS.4.NF.B.3A

Add these Fractions

• 2/4

• 3/4

• 4/8

• 1

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Add

2/12 + 3/12

• 5/24

• 5/12

• 6/144

• 6/12

Tags

CCSS.4.NF.B.3A

What is ⁵/₈ - ¹/₈?

Remember to simplify if needed

• 1
•  1/2

• ⁶/₈ 

• 2/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is ³/₄ - ¹/₄?

• 1

• ²/₄ 

• ¹/₄

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Solve

• 5/9

• 10/9

• 4/9

• 3/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of the fractions represented by the shaded and unshaded parts of the model?

• 3/3 + 5/5 = 2

• 3/8 + 5/8 = 8/8

• 1/2 + 2/6 = 3/8

• 2/8 + 3/8 = 5/8

Tags

CCSS.4.NF.B.3A

What subtraction equation with the CORRECT answer could be demonstrated by the models below?

• 2 4/8 - 1/8 = 3/8

• 4/8 - 1/8 = 3/8

• 3 1/8 - 4/8 = 7/8

• 2 1/8 - 5/8 = 1 4/8

Tags

CCSS.4.NF.B.3A

What mixed number does the following number sentence represent?

• 1 3/4

• 1 4/4

• 8 3/4

• 1 2/4

Tags

CCSS.3.G.A.2

Luke worked on his math homework for 4 3/4 hours this week and 2 2/4 hours last week. Which number sentence can be used to find the fraction of hours Luke worked on his math homework these two weeks?

• 19/4 + 10/4 = 29/8

• 19/4 + 10/4 = 29/4

• 3/4 + 2/4 = 5/4

• 3/4 + 2/4 = 5/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D