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subtraction Variable Worksheets

Our subtraction variable worksheets help students practice solving for unknown values in subtraction equations. These worksheets build algebraic thinking skills by having students find missing numbers in problems ranging from within 10 to within 1,000.

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numeric vertical place values addition subtraction Remove Filter

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Addition & Subtraction

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About these worksheets

Students solve for unknown variables in addition and subtraction equations at four levels of difficulty: within 10, within 20, within 100, and within 1,000. These worksheets build early algebraic thinking by having students find the missing number that makes each equation true. Aligned with kindergarten through third grade standards.

subtraction Variable Worksheets - Add & Subtract within 10 worksheet

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Add & Subtract within 10

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Use what you know about number facts within 10 to figure out an unknown quickly.
Read an equation with a letter and understand that the letter stands for a number.
Check that your answer makes the equation true by plugging the number back in.

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