Welcome to Math Quiz #8315
Determine the unknown number in each equation
There are 10 problems in this quiz which support the following standard:
CCSS.Math.Content.1.OA.D.8. Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = ? - 3, 6 + 6 = ?.
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