NAME ____________________________________ DATE __________________

ACTIVITY

(PAGE 2 OF 6)

Number Strings

Use combinations you know to solve each problem. Show your work.

  • 7 8 + 9 + 3 =

  • 8 6 + 6 + 7 + 7 =

  • 9 8 + 6 + 8 + 4 =

  • 10 3 + 7 + 4 =

  • 11 9 + 4 + 5 + 1 =

  • 12 4 + 7 + 3 + 5 + 5 =


End ofPage 34

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?