Balloon Buster #20

Standards 1.OA.C.6
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Does your little mathematician enjoy the pop of a good balloon? In this worksheet, he'll 'pop' any balloons that contain addition or subtraction problems that equal 20. All he'll need to do it is some mental math and a firm 'X' with a pen or pencil.

First Grade Addition Subtraction Worksheets: Balloon Buster #20
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