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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 298 · 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 20%? (a) 5/8 (b) 2/5 (c) 17/20 (d) 1/5
  2. 2.90% as a decimal =
  3. 3.Which fraction is 0.25? (a) 7/10 (b) 1/2 (c) 1/4 (d) 3/8
  4. 4.Which fraction is 20%? (a) 7/20 (b) 1/5 (c) 3/20 (d) 19/20
  5. 5.0.875 as a percent =
  6. 6.2/5 as a percent =
  7. 7.90% as a decimal =
  8. 8.3/8 as a percent =
  9. 9.Which fraction is 90%? (a) 7/10 (b) 9/10 (c) 3/5 (d) 1/2
  10. 10.0.7 as a percent =
  11. 11.15% as a decimal =
  12. 12.1/5 as a percent =
  13. 13.Which fraction is 0.4? (a) 2/5 (b) 1/5 (c) 1/8 (d) 9/10
  14. 14.0.875 as a percent =
  15. 15.20% as a decimal =
  16. 16.90% as a decimal =
  17. 17.Which fraction is 95%? (a) 3/10 (b) 11/20 (c) 19/20 (d) 4/5
  18. 18.1/2 as a percent =
  19. 19.50% as a decimal =
  20. 20.7/8 as a percent =
  21. 21.0.9 as a percent =
  22. 22.5/8 as a percent =
  23. 23.19/20 as a percent =
  24. 24.Which fraction is 0.65? (a) 13/20 (b) 7/10 (c) 19/20 (d) 11/20
  25. 25.3/10 as a percent =
  26. 26.Which fraction is 0.2? (a) 5/8 (b) 1/4 (c) 1/20 (d) 1/5
  27. 27.0.8 as a percent =
  28. 28.0.85 as a percent =
  29. 29.0.875 as a percent =
  30. 30.50% as a decimal =
  31. 31.65% as a decimal =
  32. 32.0.875 as a percent =
  33. 33.Which fraction is 0.85? (a) 3/4 (b) 5/8 (c) 11/20 (d) 17/20
  34. 34.70% as a decimal =
  35. 35.0.7 as a percent =
  36. 36.75% as a decimal =
  37. 37.Which fraction is 65%? (a) 1/10 (b) 4/5 (c) 3/8 (d) 13/20
  38. 38.4/5 as a percent =
  39. 39.65% as a decimal =
  40. 40.0.4 as a percent =

Answer key

  1. 1/5
  2. 0.9
  3. 1/4
  4. 1/5
  5. 87.5
  6. 40
  7. 0.9
  8. 37.5
  9. 9/10
  10. 70
  11. 0.15
  12. 20
  13. 2/5
  14. 87.5
  15. 0.2
  16. 0.9
  17. 19/20
  18. 50
  19. 0.5
  20. 87.5
  21. 90
  22. 62.5
  23. 95
  24. 13/20
  25. 30
  26. 1/5
  27. 80
  28. 85
  29. 87.5
  30. 0.5
  31. 0.65
  32. 87.5
  33. 17/20
  34. 0.7
  35. 70
  36. 0.75
  37. 13/20
  38. 80
  39. 0.65
  40. 40

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