NAME ______________________________ DATE __________________

DAILY PRACTICE

(PAGE 1 OF 2)

Cube Buildings

Write an equation that represents the problem. Solve each problem. Show your work.

  • 1 Jake made the first part of a cube building.

    He then added on 25 cubes.

    Now his building has 50 cubes.

    How many cubes did Jake start with? _______________

  • 2 Jake takes 12 cubes from Kira's building.

    Now her building has 45 cubes.

    How many cubes did Kira's building start with? _______________

NOTE

Students solve addition and subtraction story problems where the starting amount is unknown.

MWI Equal Groups: Cube Buildings


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Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book Unit 1 Coins, Number Strings, and Story Problems Unit 2 Attributes of Shapes and Parts of a Whole Unit 3 How Many Stickers? How Many Cents? Unit 4 Pockets, Teeth, and Guess My Rule Unit 5 How Many Tens? How Many Hundreds? Unit 6 How Far Can You Jump? Unit 7 Partners, Teams, and Other Groups Unit 8 Enough for the Class? Enough for the Grade?