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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 625 · 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. 1.30% as a decimal =
  2. 2.12.5% as a decimal =
  3. 3.2/5 as a percent =
  4. 4.1/2 as a percent =
  5. 5.0.6 as a percent =
  6. 6.0.25 as a percent =
  7. 7.Which fraction is 0.75? (a) 9/20 (b) 17/20 (c) 3/4 (d) 1/4
  8. 8.0.25 as a percent =
  9. 9.Which fraction is 10%? (a) 17/20 (b) 3/20 (c) 5/8 (d) 1/10
  10. 10.3/10 as a percent =
  11. 11.1/4 as a percent =
  12. 12.90% as a decimal =
  13. 13.Which fraction is 70%? (a) 3/4 (b) 7/20 (c) 7/10 (d) 3/8
  14. 14.Which fraction is 65%? (a) 19/20 (b) 5/8 (c) 1/20 (d) 13/20
  15. 15.0.3 as a percent =
  16. 16.1/20 as a percent =
  17. 17.Which fraction is 0.625? (a) 7/20 (b) 1/10 (c) 1/4 (d) 5/8
  18. 18.Which fraction is 37.5%? (a) 3/8 (b) 3/10 (c) 13/20 (d) 5/8
  19. 19.1/5 as a percent =
  20. 20.0.875 as a percent =
  21. 21.0.3 as a percent =
  22. 22.0.6 as a percent =
  23. 23.0.85 as a percent =
  24. 24.12.5% as a decimal =
  25. 25.0.95 as a percent =
  26. 26.Which fraction is 62.5%? (a) 1/5 (b) 13/20 (c) 5/8 (d) 3/20
  27. 27.19/20 as a percent =
  28. 28.3/10 as a percent =
  29. 29.3/4 as a percent =
  30. 30.Which fraction is 0.85? (a) 9/20 (b) 17/20 (c) 7/10 (d) 3/20
  31. 31.0.3 as a percent =
  32. 32.9/20 as a percent =
  33. 33.37.5% as a decimal =
  34. 34.0.15 as a percent =
  35. 35.40% as a decimal =
  36. 36.11/20 as a percent =
  37. 37.0.85 as a percent =
  38. 38.17/20 as a percent =
  39. 39.95% as a decimal =
  40. 40.70% as a decimal =

Answer key

  1. 0.3
  2. 0.125
  3. 40
  4. 50
  5. 60
  6. 25
  7. 3/4
  8. 25
  9. 1/10
  10. 30
  11. 25
  12. 0.9
  13. 7/10
  14. 13/20
  15. 30
  16. 5
  17. 5/8
  18. 3/8
  19. 20
  20. 87.5
  21. 30
  22. 60
  23. 85
  24. 0.125
  25. 95
  26. 5/8
  27. 95
  28. 30
  29. 75
  30. 17/20
  31. 30
  32. 45
  33. 0.375
  34. 15
  35. 0.4
  36. 55
  37. 85
  38. 85
  39. 0.95
  40. 0.7

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