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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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3rd Grade Remove Filter

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numeric horizontal 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 1,000 worksheet

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Add & Subtract within 1,000

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Solve for an unknown number in simple addition and subtraction equations within 1,000.
Use addition and subtraction facts to figure out what number makes an equation true.
Check that the answer makes sense by plugging the number back into the equation.

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