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Variable Worksheets

Free variable worksheets with answer key. No login or account needed. Solve addition, subtraction, multiplication, and division problems with variables. A grading column and quick grade scale make grading a breeze, and modified pages help with lower level learners or when just introducing a topic. Great for teachers or for homeschool.

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numeric place values addition subtraction horizontal

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Addition & Subtraction Multiplication & Division

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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.

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.

Variable Worksheets - Add & Subtract within 20 worksheet

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Add & Subtract within 20

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Solve simple addition and subtraction equations by finding the missing number.
Check that the answer makes the equation true by plugging the number back in.
Practice adding and subtracting within 20 with an unknown in different spots.

Variable Worksheets - Add & Subtract within 100 worksheet

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Add & Subtract within 100

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Solve for the missing number in simple addition and subtraction equations within 100.
Use addition and subtraction facts to figure out what value makes an equation true.
Work with equations written using a letter or symbol for the unknown number.

Variable Worksheets - Add & Subtract within 1,000 worksheet

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Add & Subtract within 1,000

3nbt2

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.

Multiplication & Division

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About these worksheets

Students solve for unknown variables in multiplication and division equations within 100. These worksheets strengthen the connection between multiplication and division while building early algebraic reasoning skills. Aligned with third grade standards.

Variable Worksheets - Multiply & Divide within 100 worksheet

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Multiply & Divide within 100

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Solve for an unknown number in simple multiplication equations.
Solve for an unknown number in simple division equations.
Use multiplication and division facts within 100 to find the missing value.

Variable Worksheets - Matching Equations to the Value of n worksheet

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Matching Equations to the Value of n

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Find the value of n that makes a multiplication equation true.
Match each equation to its solution from a set of values.
Solve every equation before matching, rather than guessing from one.

Variable worksheets by grade

Kindergarten Variable Worksheets (1 worksheet)
This page features free kindergarten variable worksheets focusing on addition and subtraction within 10.
1st Grade Variable Worksheets (1 worksheet)
This page features free printable 1st grade variable worksheets focused on addition and subtraction within 20.
2nd Grade Variable Worksheets (1 worksheet)
This page features printable variable worksheets designed for 2nd grade students learning basic algebraic thinking.
3rd Grade Variable Worksheets (2 worksheets)
These 3rd grade variable worksheets help students practice finding unknown values in addition, subtraction, multiplication, and division problems.

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