1) Ben has 15 toy cars. He gives some to his friend. Now he has 9 toy cars. Write an equation and find the missing number. 2) Sara has 18 balloons. Some pop. Now she has 11 balloons. Write an equation and find the missing number. 3) 10 + 10 = ? What is missing? Part or Whole 4) ? + 7 = 6 What is missing? Part or Whole 5) 9 - ? = 2 What is missing? Part or Whole 6) 5 + ____ = 20 7) 12 – ____ = 4 8) find the missing number 9) find the missing number

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