Adding and Subtracting Fractions and Mixed Numbers with Models

Steve connected a 3/8 foot wire extension to 5/8 foot wire. How far will the wire and extension reach?

• 1 foot

• 2/8 foot

• 1 yard

• 1/2 foot

8/12 - 3/12

• 4/12

• 1/2

• 5/12

• 11/12

2/8 + 1/8 + 3/8

• 5/8

• 6/8

• 7/8

• 8/8

Diane had 3 2/3 cups of flour. She used 2 1/3 cups of flour for a recipe. How many cups of flour does Diane have left?

Pam drew an indigo line that was 2/4 of an inch long. Then she drew an orange line that was 1/4 of an inch long. How much longer was the indigo line than the orange line?

• 3/4 inch

• 1/4 inch

• 1/2 inch

• 1 inch

John and Landon are raking leaves in the yard. They divide the yard into 8 equal sections. John rakes 4 sections. Landon rakes 2 sections. Which model can be used to find the total fraction of the yard they rake? Choose all that apply.

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Kendall and Kasen are painting a room. They divided the room into 8 equal sections. Kendall painted 2 sections and Kasen painted 4 sections. Which model can be used to find the total fraction of the room they painted? Choose all that apply.

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Sally is painting her house. She used ¹/₈ of a gallon of paint in her bathroom, and ¹/₃ of a gallon of paint in her bedroom. How much paint did she use in all?

• ¹¹/₂₄

• ³/₁₄

• ¹/₈

• ¹¹/₁₄

⁴/₅ - ¹/₁₀

• ³/₅

• ⁷/₁₀

• ²/₂₅

• ¹/₃

Tim has a board that is ⁵/₆ feet long. He painted ¹/₉ feet of his board last night. How much more does Tim have left to paint?

• ¹³/₁₈

• ⁷/₂₄

• ⁷/₁₈

• ³/₇