NAME ____________________________________ DATE __________________

ACTIVITY

Today's Number: 12

15 − __________ = 12 8 + __________ = 12
20 − __________ = 12 __________ + 5 = 12
__________ − 2 = 12 12 = 10 + __________
__________ + 6 = 12 __________ − 4 = 12
2 + __________ = 12 12 = __________ + 7

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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?