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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 218 · 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. 1.9/10 as a percent =
  2. 2.0.35 as a percent =
  3. 3.60% as a decimal =
  4. 4.0.1 as a percent =
  5. 5.0.625 as a percent =
  6. 6.Which fraction is 30%? (a) 9/20 (b) 17/20 (c) 13/20 (d) 3/10
  7. 7.1/2 as a percent =
  8. 8.87.5% as a decimal =
  9. 9.30% as a decimal =
  10. 10.0.8 as a percent =
  11. 11.3/5 as a percent =
  12. 12.85% as a decimal =
  13. 13.25% as a decimal =
  14. 14.20% as a decimal =
  15. 15.0.5 as a percent =
  16. 16.5% as a decimal =
  17. 17.30% as a decimal =
  18. 18.5/8 as a percent =
  19. 19.62.5% as a decimal =
  20. 20.Which fraction is 80%? (a) 9/10 (b) 19/20 (c) 4/5 (d) 7/10
  21. 21.Which fraction is 0.5? (a) 1/5 (b) 1/20 (c) 1/8 (d) 1/2
  22. 22.1/4 as a percent =
  23. 23.0.75 as a percent =
  24. 24.Which fraction is 0.8? (a) 19/20 (b) 1/20 (c) 4/5 (d) 7/10
  25. 25.15% as a decimal =
  26. 26.Which fraction is 87.5%? (a) 3/20 (b) 13/20 (c) 7/8 (d) 4/5
  27. 27.Which fraction is 40%? (a) 1/8 (b) 3/20 (c) 5/8 (d) 2/5
  28. 28.Which fraction is 0.9? (a) 1/20 (b) 5/8 (c) 9/10 (d) 3/5
  29. 29.Which fraction is 30%? (a) 2/5 (b) 3/10 (c) 7/8 (d) 1/2
  30. 30.3/8 as a percent =
  31. 31.0.3 as a percent =
  32. 32.3/8 as a percent =
  33. 33.Which fraction is 87.5%? (a) 7/8 (b) 5/8 (c) 3/20 (d) 1/2
  34. 34.3/8 as a percent =
  35. 35.Which fraction is 0.5? (a) 1/2 (b) 2/5 (c) 1/8 (d) 4/5
  36. 36.1/8 as a percent =
  37. 37.90% as a decimal =
  38. 38.62.5% as a decimal =
  39. 39.3/4 as a percent =
  40. 40.0.1 as a percent =

Answer key

  1. 90
  2. 35
  3. 0.6
  4. 10
  5. 62.5
  6. 3/10
  7. 50
  8. 0.875
  9. 0.3
  10. 80
  11. 60
  12. 0.85
  13. 0.25
  14. 0.2
  15. 50
  16. 0.05
  17. 0.3
  18. 62.5
  19. 0.625
  20. 4/5
  21. 1/2
  22. 25
  23. 75
  24. 4/5
  25. 0.15
  26. 7/8
  27. 2/5
  28. 9/10
  29. 3/10
  30. 37.5
  31. 30
  32. 37.5
  33. 7/8
  34. 37.5
  35. 1/2
  36. 12.5
  37. 0.9
  38. 0.625
  39. 75
  40. 10

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