NAME ______________________________ DATE _______________

ACTIVITY

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Story Problems about Unknown Change

Solve each problem. Show your work.

  • 3 Sam had 5 books.

    Max gave him some more books.

    Then Sam had 7 books.

    How many books did Max give Sam?

  • 4 There were 10 birds in a tree.

    Some of the birds flew away.

    3 birds were left in the tree.

    How many birds flew away?


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Table of Contents

Investigations 3 in Number, Data, and SpaceĀ®, Student Activity Book Unit 1 Building Numbers and Solving Story Problems Unit 2 Comparing and Combining Shapes Unit 3 How Many of Each? How Many in All? Unit 4 Fish Lengths and Fraction Rugs Unit 5 Number Games and Crayon Problems Unit 6 Would You Rather Be an Eagle or a Whale? Unit 7 How Many Tens? How Many Ones? Unit 8 Blocks and Buildings