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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 275 · 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. 1.90% as a decimal =
  2. 2.50% as a decimal =
  3. 3.0.55 as a percent =
  4. 4.40% as a decimal =
  5. 5.Which fraction is 0.2? (a) 2/5 (b) 3/8 (c) 1/2 (d) 1/5
  6. 6.0.375 as a percent =
  7. 7.Which fraction is 0.8? (a) 1/5 (b) 4/5 (c) 3/5 (d) 7/20
  8. 8.Which fraction is 87.5%? (a) 7/8 (b) 7/20 (c) 2/5 (d) 4/5
  9. 9.60% as a decimal =
  10. 10.Which fraction is 0.125? (a) 3/4 (b) 1/5 (c) 17/20 (d) 1/8
  11. 11.1/8 as a percent =
  12. 12.17/20 as a percent =
  13. 13.Which fraction is 0.3? (a) 3/5 (b) 3/10 (c) 17/20 (d) 9/10
  14. 14.1/2 as a percent =
  15. 15.40% as a decimal =
  16. 16.20% as a decimal =
  17. 17.Which fraction is 20%? (a) 5/8 (b) 1/2 (c) 1/5 (d) 7/20
  18. 18.5/8 as a percent =
  19. 19.0.1 as a percent =
  20. 20.0.4 as a percent =
  21. 21.37.5% as a decimal =
  22. 22.60% as a decimal =
  23. 23.60% as a decimal =
  24. 24.0.625 as a percent =
  25. 25.2/5 as a percent =
  26. 26.75% as a decimal =
  27. 27.50% as a decimal =
  28. 28.Which fraction is 62.5%? (a) 1/20 (b) 3/5 (c) 7/8 (d) 5/8
  29. 29.0.625 as a percent =
  30. 30.1/2 as a percent =
  31. 31.0.6 as a percent =
  32. 32.1/5 as a percent =
  33. 33.Which fraction is 0.2? (a) 1/10 (b) 9/10 (c) 1/5 (d) 4/5
  34. 34.90% as a decimal =
  35. 35.60% as a decimal =
  36. 36.19/20 as a percent =
  37. 37.3/8 as a percent =
  38. 38.Which fraction is 0.25? (a) 1/10 (b) 7/20 (c) 9/20 (d) 1/4
  39. 39.0.2 as a percent =
  40. 40.0.15 as a percent =

Answer key

  1. 0.9
  2. 0.5
  3. 55
  4. 0.4
  5. 1/5
  6. 37.5
  7. 4/5
  8. 7/8
  9. 0.6
  10. 1/8
  11. 12.5
  12. 85
  13. 3/10
  14. 50
  15. 0.4
  16. 0.2
  17. 1/5
  18. 62.5
  19. 10
  20. 40
  21. 0.375
  22. 0.6
  23. 0.6
  24. 62.5
  25. 40
  26. 0.75
  27. 0.5
  28. 5/8
  29. 62.5
  30. 50
  31. 60
  32. 20
  33. 1/5
  34. 0.9
  35. 0.6
  36. 95
  37. 37.5
  38. 1/4
  39. 20
  40. 15

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