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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 81 · 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. 1.9/20 as a percent =
  2. 2.95% as a decimal =
  3. 3.0.3 as a percent =
  4. 4.0.05 as a percent =
  5. 5.0.2 as a percent =
  6. 6.0.3 as a percent =
  7. 7.0.85 as a percent =
  8. 8.3/5 as a percent =
  9. 9.62.5% as a decimal =
  10. 10.Which fraction is 0.125? (a) 7/8 (b) 1/8 (c) 1/20 (d) 13/20
  11. 11.37.5% as a decimal =
  12. 12.0.625 as a percent =
  13. 13.0.5 as a percent =
  14. 14.Which fraction is 75%? (a) 13/20 (b) 17/20 (c) 9/20 (d) 3/4
  15. 15.0.1 as a percent =
  16. 16.7/20 as a percent =
  17. 17.Which fraction is 55%? (a) 11/20 (b) 1/20 (c) 9/20 (d) 3/8
  18. 18.0.625 as a percent =
  19. 19.Which fraction is 40%? (a) 5/8 (b) 3/20 (c) 1/5 (d) 2/5
  20. 20.Which fraction is 0.6? (a) 5/8 (b) 3/4 (c) 17/20 (d) 3/5
  21. 21.Which fraction is 0.65? (a) 1/4 (b) 3/10 (c) 1/2 (d) 13/20
  22. 22.90% as a decimal =
  23. 23.Which fraction is 75%? (a) 9/10 (b) 3/4 (c) 3/20 (d) 7/10
  24. 24.Which fraction is 0.25? (a) 1/4 (b) 3/20 (c) 9/20 (d) 19/20
  25. 25.Which fraction is 0.3? (a) 3/20 (b) 2/5 (c) 3/10 (d) 1/10
  26. 26.45% as a decimal =
  27. 27.1/2 as a percent =
  28. 28.75% as a decimal =
  29. 29.Which fraction is 12.5%? (a) 1/20 (b) 11/20 (c) 1/8 (d) 17/20
  30. 30.Which fraction is 0.45? (a) 17/20 (b) 11/20 (c) 9/20 (d) 3/8
  31. 31.Which fraction is 0.625? (a) 7/8 (b) 1/2 (c) 5/8 (d) 9/10
  32. 32.Which fraction is 80%? (a) 2/5 (b) 1/4 (c) 7/20 (d) 4/5
  33. 33.10% as a decimal =
  34. 34.Which fraction is 0.85? (a) 17/20 (b) 5/8 (c) 1/10 (d) 3/20
  35. 35.1/2 as a percent =
  36. 36.0.8 as a percent =
  37. 37.0.2 as a percent =
  38. 38.Which fraction is 0.9? (a) 9/10 (b) 7/10 (c) 1/4 (d) 7/20
  39. 39.25% as a decimal =
  40. 40.Which fraction is 10%? (a) 7/20 (b) 1/8 (c) 1/10 (d) 7/8

Answer key

  1. 45
  2. 0.95
  3. 30
  4. 5
  5. 20
  6. 30
  7. 85
  8. 60
  9. 0.625
  10. 1/8
  11. 0.375
  12. 62.5
  13. 50
  14. 3/4
  15. 10
  16. 35
  17. 11/20
  18. 62.5
  19. 2/5
  20. 3/5
  21. 13/20
  22. 0.9
  23. 3/4
  24. 1/4
  25. 3/10
  26. 0.45
  27. 50
  28. 0.75
  29. 1/8
  30. 9/20
  31. 5/8
  32. 4/5
  33. 0.1
  34. 17/20
  35. 50
  36. 80
  37. 20
  38. 9/10
  39. 0.25
  40. 1/10

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