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8th Grade Exponents Worksheets

This free printable worksheet practices exponent rules and negative exponents. It has 24 problems, and the answer key is on its own page when you print, so you can check work afterward.

Tip: When multiplying powers with the same base, add the exponents.

Name: ____________________Date: ____________

8th Grade Exponents

  1. 7−1 = ____
  2. Write as a single power: 7−4 × 72
  3. 9−2 = ____
  4. Write as a single power: (515
  5. Write as a single power: 4−2 × 42
  6. 8−3 = ____
  7. 21 = ____
  8. 71 = ____
  9. Write as a single power: (5−1)0
  10. Write as a single power: (6−2)4
  11. Write as a single power: 6−1 × 6−4
  12. 8−1 = ____
  13. Write as a single power: 72 × 7−4
  14. 40 = ____
  15. 7−2 = ____
  16. Write as a single power: 8−4 × 84
  17. 5−2 = ____
  18. 50 = ____
  19. Write as a single power: (540
  20. Write as a single power: (43−3
  21. Write as a single power: (643
  22. Write as a single power: 81 × 86
  23. Write as a single power: 34 × 35
  24. Write as a single power: 2−3 × 2−4

Answer Key: 8th Grade Exponents

  1. 1/7
  2. 7−2
  3. 1/81
  4. 55
  5. 40
  6. 1/512
  7. 2
  8. 7
  9. 50
  10. 6−8
  11. 6−5
  12. 1/8
  13. 7−2
  14. 1
  15. 1/49
  16. 80
  17. 1/25
  18. 1
  19. 50
  20. 4−9
  21. 612
  22. 87
  23. 39
  24. 2−7

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More 8th grade worksheets: 8th Grade Equations · 8th Grade Scientific Notation · 8th Grade Pythagorean Theorem · 8th Grade Square Roots and Cube Roots · 8th Grade Slope · 8th Grade Word Problems