Grade 7 Evaluate expressions Worksheets
Grade 7 practice: Substitute a value for the variable and evaluate the expression. Choose a level below to generate a fresh set of questions.
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Understanding evaluate expressions
Evaluating expressions means substituting a given value for the variable and then simplifying using the order of operations. Students replace the letter wherever it appears, including in powers and products, then calculate. This reinforces both substitution and correct operation order, and it shows how a single expression produces different results for different inputs.
To evaluate 2x2 + 1 when x = 3, substitute to get 2 × 32 + 1; do the power first, 32 = 9, then 2 × 9 = 18, then add 1 to get 19. A common mistake is squaring the 2 along with the x, computing (2 × 3)2 = 36. Tip: substitute carefully, handle exponents before multiplication, and remember the coefficient 2 multiplies only after the power has been evaluated; check by substituting a second value if unsure.
Sample evaluate expressions questions
These examples come from the Easy setting. Generate a worksheet for a complete page with space for working.
- Evaluate 5x + 5 when x = 4.
- Evaluate 6x + 5 when x = 6.
- Evaluate 3x + 2 when x = 8.
- Evaluate 4x + 6 when x = 4.
Check the sample answers
- 25
- 41
- 26
- 22
Practice focus
Substitute a value for the variable and evaluate the expression. Show your working so each step is clear.
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View worksheets →Make your own evaluate expressions worksheets
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- These grade 7 evaluate expressions worksheets are made for Grade 7 learners, with four difficulty levels so you can match the practice to the child.
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- Yes — switch on the answer page and the generator prints a matching answer key with every grade 7 evaluate expressions worksheets sheet.
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