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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 268 · 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. 1.75% as a decimal =
  2. 2.45% as a decimal =
  3. 3.3/8 as a percent =
  4. 4.7/10 as a percent =
  5. 5.1/8 as a percent =
  6. 6.1/5 as a percent =
  7. 7.0.75 as a percent =
  8. 8.Which fraction is 0.8? (a) 4/5 (b) 1/10 (c) 3/20 (d) 7/10
  9. 9.3/8 as a percent =
  10. 10.Which fraction is 0.15? (a) 2/5 (b) 3/5 (c) 3/20 (d) 5/8
  11. 11.Which fraction is 0.875? (a) 1/2 (b) 7/8 (c) 3/5 (d) 3/8
  12. 12.3/5 as a percent =
  13. 13.0.625 as a percent =
  14. 14.3/4 as a percent =
  15. 15.Which fraction is 30%? (a) 3/10 (b) 1/5 (c) 3/4 (d) 13/20
  16. 16.Which fraction is 0.375? (a) 1/4 (b) 3/8 (c) 11/20 (d) 1/8
  17. 17.0.3 as a percent =
  18. 18.9/10 as a percent =
  19. 19.2/5 as a percent =
  20. 20.Which fraction is 87.5%? (a) 13/20 (b) 7/8 (c) 3/20 (d) 1/20
  21. 21.Which fraction is 0.4? (a) 11/20 (b) 2/5 (c) 17/20 (d) 7/10
  22. 22.45% as a decimal =
  23. 23.0.1 as a percent =
  24. 24.Which fraction is 0.3? (a) 3/10 (b) 4/5 (c) 17/20 (d) 2/5
  25. 25.3/5 as a percent =
  26. 26.45% as a decimal =
  27. 27.7/8 as a percent =
  28. 28.0.65 as a percent =
  29. 29.Which fraction is 75%? (a) 1/4 (b) 7/10 (c) 3/4 (d) 1/2
  30. 30.90% as a decimal =
  31. 31.0.95 as a percent =
  32. 32.0.55 as a percent =
  33. 33.0.5 as a percent =
  34. 34.75% as a decimal =
  35. 35.1/10 as a percent =
  36. 36.Which fraction is 62.5%? (a) 1/5 (b) 1/4 (c) 5/8 (d) 3/8
  37. 37.9/10 as a percent =
  38. 38.0.75 as a percent =
  39. 39.0.5 as a percent =
  40. 40.Which fraction is 20%? (a) 11/20 (b) 1/2 (c) 7/20 (d) 1/5

Answer key

  1. 0.75
  2. 0.45
  3. 37.5
  4. 70
  5. 12.5
  6. 20
  7. 75
  8. 4/5
  9. 37.5
  10. 3/20
  11. 7/8
  12. 60
  13. 62.5
  14. 75
  15. 3/10
  16. 3/8
  17. 30
  18. 90
  19. 40
  20. 7/8
  21. 2/5
  22. 0.45
  23. 10
  24. 3/10
  25. 60
  26. 0.45
  27. 87.5
  28. 65
  29. 3/4
  30. 0.9
  31. 95
  32. 55
  33. 50
  34. 0.75
  35. 10
  36. 5/8
  37. 90
  38. 75
  39. 50
  40. 1/5

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