Grade 6 Evaluating Expressions Worksheets
Start with eight focused practice problems, then use the answer key below to check the worksheet.
Practice Worksheet
Grade 6 Evaluating Expressions Practice
Solve each problem. Show your work.
- 1.Evaluate 5x + 9 when x = 4.
- 2.Evaluate 8x - 9 when x = 7.
- 3.Evaluate 2x - 10 when x = 4.
- 4.Evaluate 5x - 11 when x = 7.
- 5.Evaluate 5x + 5 when x = 8.
- 6.Evaluate 2x - 9 when x = 5.
- 7.Evaluate 5x + 1 when x = 7.
- 8.Evaluate 6x + 8 when x = 4.
Show answer key
- Question 1: 29
- Question 2: 47
- Question 3: -2
- Question 4: 24
- Question 5: 45
- Question 6: 1
- Question 7: 36
- Question 8: 32
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About These Worksheets
Grade 6 students evaluate simple expressions as they begin using variables to represent unknown or changing quantities.
Evaluating expressions worksheets ask students to substitute a given value for a variable and calculate the result. This is often a student's first practical use of variables: if x = 4, then 3x + 2 means 3 times 4 plus 2. The skill looks simple, but it requires careful attention to order of operations, multiplication written without a symbol, and negative values when they appear.
These worksheets start with one-variable expressions and progress to expressions involving two variables, brackets, exponents, and real-world formulas. Students learn to replace the variable first, then simplify step by step rather than trying to do everything mentally. Evaluating expressions prepares students for formulas in measurement, substitution in equations, function notation, and high-school graphing, where ordered pairs are generated by substituting values into a rule.
Skills Practised
- Substituting given values for variables
- Following order of operations after substitution
- Evaluating expressions with one or two variables
- Interpreting multiplication written beside a variable
- Using formulas to calculate real-world values
Parent Tip: Ask your child to rewrite the expression with the number in brackets before calculating. This keeps substitution separate from simplification and reduces sign errors.