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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 245 · 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. 2.0.75 as a percent =
  3. 3.0.85 as a percent =
  4. 4.1/2 as a percent =
  5. 5.0.9 as a percent =
  6. 6.0.2 as a percent =
  7. 7.Which fraction is 45%? (a) 9/20 (b) 3/4 (c) 3/20 (d) 13/20
  8. 8.Which fraction is 60%? (a) 17/20 (b) 3/5 (c) 1/4 (d) 3/4
  9. 9.Which fraction is 20%? (a) 3/4 (b) 3/20 (c) 1/5 (d) 19/20
  10. 10.15% as a decimal =
  11. 11.0.3 as a percent =
  12. 12.3/20 as a percent =
  13. 13.2/5 as a percent =
  14. 14.0.625 as a percent =
  15. 15.0.95 as a percent =
  16. 16.15% as a decimal =
  17. 17.Which fraction is 40%? (a) 13/20 (b) 2/5 (c) 19/20 (d) 1/10
  18. 18.1/5 as a percent =
  19. 19.87.5% as a decimal =
  20. 20.70% as a decimal =
  21. 21.Which fraction is 0.8? (a) 13/20 (b) 4/5 (c) 3/4 (d) 1/5
  22. 22.0.1 as a percent =
  23. 23.Which fraction is 75%? (a) 1/20 (b) 2/5 (c) 7/10 (d) 3/4
  24. 24.Which fraction is 0.9? (a) 9/10 (b) 9/20 (c) 3/10 (d) 1/5
  25. 25.0.25 as a percent =
  26. 26.0.75 as a percent =
  27. 27.87.5% as a decimal =
  28. 28.0.95 as a percent =
  29. 29.Which fraction is 15%? (a) 3/20 (b) 1/2 (c) 5/8 (d) 3/10
  30. 30.0.375 as a percent =
  31. 31.17/20 as a percent =
  32. 32.1/20 as a percent =
  33. 33.0.4 as a percent =
  34. 34.95% as a decimal =
  35. 35.45% as a decimal =
  36. 36.Which fraction is 0.55? (a) 11/20 (b) 13/20 (c) 1/5 (d) 3/5
  37. 37.90% as a decimal =
  38. 38.Which fraction is 75%? (a) 1/5 (b) 3/4 (c) 7/8 (d) 1/20
  39. 39.3/4 as a percent =
  40. 40.Which fraction is 0.65? (a) 1/5 (b) 9/10 (c) 1/20 (d) 13/20

Answer key

  1. 90
  2. 75
  3. 85
  4. 50
  5. 90
  6. 20
  7. 9/20
  8. 3/5
  9. 1/5
  10. 0.15
  11. 30
  12. 15
  13. 40
  14. 62.5
  15. 95
  16. 0.15
  17. 2/5
  18. 20
  19. 0.875
  20. 0.7
  21. 4/5
  22. 10
  23. 3/4
  24. 9/10
  25. 25
  26. 75
  27. 0.875
  28. 95
  29. 3/20
  30. 37.5
  31. 85
  32. 5
  33. 40
  34. 0.95
  35. 0.45
  36. 11/20
  37. 0.9
  38. 3/4
  39. 75
  40. 13/20

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