Playwire Advertisement

3rd Grade Variable Worksheets

These 3rd grade variable worksheets help students practice finding unknown values in addition, subtraction, multiplication, and division problems. Each worksheet contains 20 problems focused on algebraic thinking skills within grade-appropriate number ranges of 1,000 for addition/subtraction and 100 for multiplication/division.

Filter By Grade

Kindergarten 1st Grade 2nd Grade 3rd Grade Remove Filter

Problem Type

numeric horizontal place values addition subtraction multiplication division

Jump to a Heading

Addition & Subtraction Multiplication & Division

Image Size

Addition & Subtraction

Link

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.

3rd Grade Variable Worksheets - Add & Subtract within 1,000 worksheet

Select a Worksheet >

Pin It

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

Link

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.