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Evaluating Expressions Worksheets

Substitute a number for the letter, then follow the order of operations.

Grade 5 Grade 6

Printable worksheet

Evaluating Expressions

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Substitute the value for the letter (variable), then follow the order of operations.

  1. 1If n = 4, then 2n + 2 =
  2. 2If n = 3, then 9n − 8 =
  3. 3If n = 7, then n² + 1 =
  4. 4If n = 10, then 7(n + 8) =
  5. 5If n = 5, then 3n + 12 =
  6. 6If n = 8, then 9n − 11 =
  7. 7If n = 10, then n² + 7 =
  8. 8If n = 6, then 4(n + 9) =
  9. 9If n = 9, then 9n + 11 =
  10. 10If n = 5, then 3n − 9 =
  11. 11If n = 3, then n² + 1 =
  12. 12If n = 10, then 8(n + 10) =
  13. 13If n = 4, then 2n + 2 =
  14. 14If n = 8, then 3n − 9 =

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Answer key — Sheet A (14 answers)
  1. 1. 10
  2. 2. 19
  3. 3. 50
  4. 4. 126
  5. 5. 27
  6. 6. 61
  7. 7. 107
  8. 8. 60
  9. 9. 92
  10. 10. 6
  11. 11. 10
  12. 12. 160
  13. 13. 10
  14. 14. 15

About this skill

Substitution is the first step into algebra. Put the number in brackets so the sign and the order stay clear.

How to teach it

Mistakes to watch for

Where to go next

All Order of Operations Worksheets →