12 - 2 - 7 = 3, Sue had 12 cookies. She ate 2 cookies. She gave 7 cookies away. How many cookies does she have left?, 12 + 2 - 7 = 7, Greg had 12 pennies. He found 2 more pennies. He used 7 pennies to buy candy. , 12 - 2 + 7 = 17, Tina had 12 stickers. She gave away 2 stickers. Her friend gave her 7 more stickers. How many stickers does she have now?.

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