Create a free account now and get 3 full lessons, completely free. Get my 3 free lessons

Canada: choose your country
Practise online insteadThe answer key prints on page 2.

Evaluate expressions with fractional values for variables

Grade 6 math · Fieldbook Learning

Name ______________________ Date __________

Replace x with the given number everywhere it appears. Work out powers first, then multiply, then add or subtract.

  1. f(x) = 4x − 6. Find f(−2).
  2. f(x) = −x + 6. Find f(−1).
  3. f(x) = −x + 7. Find f(−1).
  4. f(x) = 5x − 8. Find f(4).
  5. f(x) = 2x − 3. Find f(4).
  6. f(x) = −2x − 8. Find f(0).
  7. f(x) = 3x − 1. Find f(1).
  8. f(x) = x − 9. Find f(0).
  9. f(x) = −5x + 9. Find f(−1).
  10. f(x) = −3x + 6. Find f(2).
  11. f(x) = 4x² + 7x − 12. Find f(5).
  12. f(x) = −3x² − 8x − 4. Find f(−4).
  13. f(x) = 5x² − 9x − 11. Find f(−4).
  14. f(x) = x² + 6x + 1. Find f(1).
  15. f(x) = −4x² − 9x + 6. Find f(1).
  16. f(x) = 2x² − 6x − 8. Find f(−4).
  17. f(x) = 4x² + 4x − 6. Find f(5).
  18. f(x) = −x² + 2x − 5. Find f(1).
  19. f(x) = −x² + 8x − 3. Find f(−5).
  20. f(x) = −x² − 7x + 6. Find f(0).
More free practice: fieldbooklearning.com/ca/practice/grade-6/evaluate-expressions-with-fractional-values-for-variables/

Play it as a quiz game

13 of these questions as multiple choice, with near-miss wrong answers, ready for Kahoot or Blooket.

  1. Download the game's own question template: in Kahoot, Add question → Import spreadsheet; in Blooket, Create a set → Spreadsheet import.
  2. Click the matching button below, then click the first empty question row of the template and paste.
  3. Save the template (Kahoot needs .xlsx, Blooket .csv) and upload it.
Download CSV

Answer key: Evaluate expressions with fractional values for variables

  1. -14
  2. 7
  3. 8
  4. 12
  5. 5
  6. -8
  7. 2
  8. -9
  9. 14
  10. 0
  11. 123
  12. -20
  13. 105
  14. 8
  15. -7
  16. 48
  17. 114
  18. -4
  19. -68
  20. 6