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8th Grade Square Roots and Cube Roots Worksheets

This free printable worksheet practices square roots of perfect squares and cube roots of perfect cubes. It has 24 problems, and the answer key is on its own page when you print, so you can check work afterward.

Tip: Work one problem at a time and check each answer against the key at the end.

Name: ____________________Date: ____________

8th Grade Square Roots and Cube Roots

  1. √169 = ____
  2. ∛216 = ____
  3. √49 = ____
  4. √36 = ____
  5. ∛8 = ____
  6. √225 = ____
  7. ∛512 = ____
  8. √64 = ____
  9. ∛125 = ____
  10. √196 = ____
  11. ∛1000 = ____
  12. √400 = ____
  13. √256 = ____
  14. ∛343 = ____
  15. ∛729 = ____
  16. √361 = ____
  17. ∛27 = ____
  18. √100 = ____
  19. ∛64 = ____
  20. √324 = ____
  21. √9 = ____
  22. √16 = ____
  23. √144 = ____
  24. ∛1 = ____

Answer Key: 8th Grade Square Roots and Cube Roots

  1. 13
  2. 6
  3. 7
  4. 6
  5. 2
  6. 15
  7. 8
  8. 8
  9. 5
  10. 14
  11. 10
  12. 20
  13. 16
  14. 7
  15. 9
  16. 19
  17. 3
  18. 10
  19. 4
  20. 18
  21. 3
  22. 4
  23. 12
  24. 1

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More 8th grade worksheets: 8th Grade Equations · 8th Grade Exponents · 8th Grade Scientific Notation · 8th Grade Pythagorean Theorem · 8th Grade Slope · 8th Grade Word Problems