John has 8 marbles. He gave 4 marbles to his dad. How many total marbles are left with John?
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My brother lost 2 pebbles out of the 6 pebbles he collected from the river. How many pebbles are left with my brother?
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Sanjay has 7 crayons. 3 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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George has to clean 9 windows. He has cleaned 4 of them. How many are still left to be cleaned?
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Don picked 9 strawberries from the farm and ate 8 of them. How many strawberries does Don now have?
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