This page features free kindergarten variable worksheets focusing on addition and subtraction within 10. Students practice finding the value of unknown variables in simple equations, building foundational algebraic thinking skills. Each worksheet contains 20 problems designed to strengthen number sense and problem-solving abilities.
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.
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 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(3 worksheets) These 3rd grade variable worksheets help students practice finding unknown values in addition, subtraction, multiplication, and division problems.
