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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 629 · 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 90%? (a) 1/5 (b) 9/10 (c) 1/20 (d) 4/5
  2. 2.3/8 as a percent =
  3. 3.10% as a decimal =
  4. 4.Which fraction is 40%? (a) 3/8 (b) 1/4 (c) 2/5 (d) 3/20
  5. 5.Which fraction is 5%? (a) 3/20 (b) 1/10 (c) 1/20 (d) 9/20
  6. 6.25% as a decimal =
  7. 7.0.6 as a percent =
  8. 8.0.3 as a percent =
  9. 9.Which fraction is 20%? (a) 1/5 (b) 3/10 (c) 11/20 (d) 3/5
  10. 10.Which fraction is 0.8? (a) 4/5 (b) 13/20 (c) 1/4 (d) 3/8
  11. 11.35% as a decimal =
  12. 12.4/5 as a percent =
  13. 13.Which fraction is 0.6? (a) 13/20 (b) 3/5 (c) 3/20 (d) 5/8
  14. 14.9/20 as a percent =
  15. 15.0.7 as a percent =
  16. 16.2/5 as a percent =
  17. 17.30% as a decimal =
  18. 18.17/20 as a percent =
  19. 19.Which fraction is 0.05? (a) 1/20 (b) 1/2 (c) 3/5 (d) 9/20
  20. 20.3/5 as a percent =
  21. 21.2/5 as a percent =
  22. 22.Which fraction is 0.3? (a) 3/5 (b) 4/5 (c) 3/20 (d) 3/10
  23. 23.7/8 as a percent =
  24. 24.0.125 as a percent =
  25. 25.0.75 as a percent =
  26. 26.1/20 as a percent =
  27. 27.Which fraction is 87.5%? (a) 7/8 (b) 9/10 (c) 3/10 (d) 11/20
  28. 28.7/8 as a percent =
  29. 29.0.05 as a percent =
  30. 30.Which fraction is 0.5? (a) 2/5 (b) 11/20 (c) 3/10 (d) 1/2
  31. 31.0.2 as a percent =
  32. 32.Which fraction is 15%? (a) 1/2 (b) 3/8 (c) 1/8 (d) 3/20
  33. 33.87.5% as a decimal =
  34. 34.20% as a decimal =
  35. 35.17/20 as a percent =
  36. 36.0.95 as a percent =
  37. 37.Which fraction is 0.8? (a) 1/20 (b) 4/5 (c) 5/8 (d) 3/5
  38. 38.25% as a decimal =
  39. 39.9/10 as a percent =
  40. 40.10% as a decimal =

Answer key

  1. 9/10
  2. 37.5
  3. 0.1
  4. 2/5
  5. 1/20
  6. 0.25
  7. 60
  8. 30
  9. 1/5
  10. 4/5
  11. 0.35
  12. 80
  13. 3/5
  14. 45
  15. 70
  16. 40
  17. 0.3
  18. 85
  19. 1/20
  20. 60
  21. 40
  22. 3/10
  23. 87.5
  24. 12.5
  25. 75
  26. 5
  27. 7/8
  28. 87.5
  29. 5
  30. 1/2
  31. 20
  32. 3/20
  33. 0.875
  34. 0.2
  35. 85
  36. 95
  37. 4/5
  38. 0.25
  39. 90
  40. 0.1

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