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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 305 · 40 questions
TalentJR

The fast method (Three names, one amount): Learn the key ones: 1/2 = 50% = 0.5, 1/4 = 25% = 0.25, 1/5 = 20% = 0.2. And: 1/8 = 12.5% = 0.125, 1/10 = 10% = 0.1, 1/20 = 5% = 0.05. Percent → decimal: ÷ 100 (point 2 places left). Decimal → percent: × 100. Fraction → percent: use the unit fraction — 3/8 = 3 × 12.5% = 37.5%.

NameDateTime takenScore ___ / 40
  1. 1.Which fraction is 0.9? (a) 9/20 (b) 1/2 (c) 7/8 (d) 9/10
  2. 2.Which fraction is 12.5%? (a) 3/4 (b) 3/5 (c) 1/8 (d) 19/20
  3. 3.3/10 as a percent =
  4. 4.Which fraction is 5%? (a) 4/5 (b) 3/5 (c) 2/5 (d) 1/20
  5. 5.3/5 as a percent =
  6. 6.0.3 as a percent =
  7. 7.0.125 as a percent =
  8. 8.13/20 as a percent =
  9. 9.0.1 as a percent =
  10. 10.25% as a decimal =
  11. 11.0.05 as a percent =
  12. 12.15% as a decimal =
  13. 13.Which fraction is 0.05? (a) 1/5 (b) 1/20 (c) 1/10 (d) 3/4
  14. 14.55% as a decimal =
  15. 15.0.35 as a percent =
  16. 16.5% as a decimal =
  17. 17.3/20 as a percent =
  18. 18.3/5 as a percent =
  19. 19.Which fraction is 12.5%? (a) 2/5 (b) 1/8 (c) 3/8 (d) 1/2
  20. 20.7/10 as a percent =
  21. 21.70% as a decimal =
  22. 22.11/20 as a percent =
  23. 23.0.1 as a percent =
  24. 24.Which fraction is 0.35? (a) 19/20 (b) 7/20 (c) 1/5 (d) 3/4
  25. 25.0.2 as a percent =
  26. 26.Which fraction is 55%? (a) 4/5 (b) 1/2 (c) 2/5 (d) 11/20
  27. 27.4/5 as a percent =
  28. 28.Which fraction is 0.375? (a) 19/20 (b) 3/8 (c) 2/5 (d) 3/4
  29. 29.0.875 as a percent =
  30. 30.Which fraction is 0.6? (a) 2/5 (b) 3/4 (c) 3/5 (d) 5/8
  31. 31.3/5 as a percent =
  32. 32.50% as a decimal =
  33. 33.7/8 as a percent =
  34. 34.0.25 as a percent =
  35. 35.Which fraction is 15%? (a) 1/4 (b) 1/8 (c) 3/20 (d) 17/20
  36. 36.12.5% as a decimal =
  37. 37.40% as a decimal =
  38. 38.40% as a decimal =
  39. 39.7/10 as a percent =
  40. 40.13/20 as a percent =

Answer key

  1. 9/10
  2. 1/8
  3. 30
  4. 1/20
  5. 60
  6. 30
  7. 12.5
  8. 65
  9. 10
  10. 0.25
  11. 5
  12. 0.15
  13. 1/20
  14. 0.55
  15. 35
  16. 0.05
  17. 15
  18. 60
  19. 1/8
  20. 70
  21. 0.7
  22. 55
  23. 10
  24. 7/20
  25. 20
  26. 11/20
  27. 80
  28. 3/8
  29. 87.5
  30. 3/5
  31. 60
  32. 0.5
  33. 87.5
  34. 25
  35. 3/20
  36. 0.125
  37. 0.4
  38. 0.4
  39. 70
  40. 65

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