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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 40 · 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. 1.60% as a decimal =
  2. 2.2/5 as a percent =
  3. 3.Which fraction is 40%? (a) 2/5 (b) 1/10 (c) 4/5 (d) 7/20
  4. 4.50% as a decimal =
  5. 5.Which fraction is 40%? (a) 7/20 (b) 3/10 (c) 2/5 (d) 13/20
  6. 6.60% as a decimal =
  7. 7.0.1 as a percent =
  8. 8.7/8 as a percent =
  9. 9.Which fraction is 0.375? (a) 1/20 (b) 3/8 (c) 4/5 (d) 7/10
  10. 10.45% as a decimal =
  11. 11.90% as a decimal =
  12. 12.Which fraction is 0.4? (a) 1/2 (b) 3/4 (c) 9/10 (d) 2/5
  13. 13.12.5% as a decimal =
  14. 14.17/20 as a percent =
  15. 15.3/5 as a percent =
  16. 16.0.55 as a percent =
  17. 17.2/5 as a percent =
  18. 18.7/8 as a percent =
  19. 19.3/8 as a percent =
  20. 20.13/20 as a percent =
  21. 21.40% as a decimal =
  22. 22.Which fraction is 0.25? (a) 5/8 (b) 1/5 (c) 1/4 (d) 9/10
  23. 23.25% as a decimal =
  24. 24.0.1 as a percent =
  25. 25.60% as a decimal =
  26. 26.9/10 as a percent =
  27. 27.0.625 as a percent =
  28. 28.15% as a decimal =
  29. 29.Which fraction is 0.8? (a) 1/20 (b) 3/8 (c) 3/20 (d) 4/5
  30. 30.Which fraction is 0.3? (a) 13/20 (b) 1/4 (c) 1/8 (d) 3/10
  31. 31.0.375 as a percent =
  32. 32.3/4 as a percent =
  33. 33.75% as a decimal =
  34. 34.Which fraction is 0.375? (a) 3/8 (b) 9/20 (c) 1/20 (d) 1/2
  35. 35.1/10 as a percent =
  36. 36.Which fraction is 0.7? (a) 2/5 (b) 7/10 (c) 1/5 (d) 9/10
  37. 37.20% as a decimal =
  38. 38.Which fraction is 90%? (a) 11/20 (b) 1/20 (c) 9/10 (d) 17/20
  39. 39.9/20 as a percent =
  40. 40.3/4 as a percent =

Answer key

  1. 0.6
  2. 40
  3. 2/5
  4. 0.5
  5. 2/5
  6. 0.6
  7. 10
  8. 87.5
  9. 3/8
  10. 0.45
  11. 0.9
  12. 2/5
  13. 0.125
  14. 85
  15. 60
  16. 55
  17. 40
  18. 87.5
  19. 37.5
  20. 65
  21. 0.4
  22. 1/4
  23. 0.25
  24. 10
  25. 0.6
  26. 90
  27. 62.5
  28. 0.15
  29. 4/5
  30. 3/10
  31. 37.5
  32. 75
  33. 0.75
  34. 3/8
  35. 10
  36. 7/10
  37. 0.2
  38. 9/10
  39. 45
  40. 75

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