Mike has 5 marbles. He gave 2 marbles to his dad. How many total marbles are left with Mike?
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Don has 8 crayons. 1 of them are in the green box and the others are in the red box. How many crayons are in the red box?
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A book costs $8.00. Bill has $3.00. How much more money does he need to buy the book?
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Tracy invited 8 friends to her birthday party. Only 5 friends came to the party. How many friends didn't came to Tracy's party.
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Don has to clean 9 windows. He has cleaned 3 of them. How many are still left to be cleaned?
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