Adding / Subtracting Fractions

Brad ate 3/4 of his Kit-Kat bar and gave the rest to Cole.  How much of the Kit-Kat bar did Cole get to eat?

• 3/4
• 1/4
• 2/4
• None

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

3/5 + 1/5 =

• 4/5
• 2/5
• 5/5
• 3/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

7/10 + 2/10 =

• 5/10
• 6/10
• 9/10
• 8/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• 1/3 + 1/3 + 1/3 + 1/3

Decompose the fraction ⁴/₈ into unit fractions.

• ²/₈ + ²/₈
• ¹/₈ + ¹/₈ + ¹/₈ + ¹/₈
• ³/₈ + ¹/₈
• 4 + 8

Tags

CCSS.4.NF.B.3A

The model shows a fraction decomposed into 3 smaller parts. Which of the following equations is modeled in the picture?

• ⁴/₁₀ + ²/₁₀ + ¹/₁₀ = ⁷/₁₀
• ¹/₁₀ + ¹/₁₀ + ¹/₁₀ + ¹/₁₀ + ¹/₁₀ + ¹/₁₀ + ¹/₁₀ = ⁷/₁₀
• ⁴/₄ + ²/₂ + ¹/₁ = ⁷/₁₀
• ⁴/₇ + ²/₇ + ¹/₇ = ⁷/₇

Tags

CCSS.4.NF.B.3A

⁷/₈ =

• ⁵/₈ + ³/₈ + ¹/₈
• ²/₈ + ²/₈ + ²/₈
• ⁴/₈ + ²/₈ + ¹/₈
• ³/7 + ⁴/₇

Tags

CCSS.4.NF.B.3B

What is the sum of ⁴/₆ and ³/₆ ?

• ⁷/₆
• ⁷/₁₂
• ¹/₆
• ⁶/₆

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Bassam wants to make 3 backpacks. He needs ²/₅ yard of cloth for each backpack.  Which math expression shows how Bassam can figure out how much cloth he needs?

• 3 + ²/₅
• ¹/₃ + ²/₅
• ²/₅ + ³/₁ 
• ²/₅ + ²/₅ + ²/₅

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

What is the sum of 
⁵/₁₀ + ²/₁₀ + ¹/₁₀ ?

• ⁷/₁₀
• ²/₁₀
• ¹⁰/₁₀
• ⁸/₁₀

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D