Printable Expressions with Variables Worksheets
Printable expressions with variables worksheets for 5th grade, with an answer key on every sheet. The sets below cover 7 different skills, so you can start where your child actually is. Available as speed drills, matching, and visual guides.
Targeted Practice by Skill
Algebra vocabulary
Variable Constant
Write the expression
Write Expression
Match the expression to the words
Matching
Expression with two variables
Write Expression 2var
Evaluate the expression
Table Forward
Evaluate the expression
Table Reverse
Simplify expressions
Combine Like Terms
Expression or equation
Classify
About Expressions with Variables
What this skill is
Expressions with variables teaches evaluating algebraic expressions by substituting numerical values for letter variables (e.g., evaluate 3x + 2 when x = 4 -> 3(4) + 2 = 14).
When children learn it
Algebraic expressions are introduced in 4th and 5th grade, aligned to 5.OA.A.2.
Teaching Tips
- Use parentheses around substituted variable values: 3(4) + 2.
- Follow PEMDAS rules when evaluating expression steps.
Common Mistakes
- Writing 34 instead of 3x4 when substituting 4 for x in 3x.
- Ignoring order of operations when evaluating expressions.