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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 110 · 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. 1.20% as a decimal =
  2. 2.0.15 as a percent =
  3. 3.80% as a decimal =
  4. 4.Which fraction is 80%? (a) 3/20 (b) 1/4 (c) 1/20 (d) 4/5
  5. 5.9/10 as a percent =
  6. 6.90% as a decimal =
  7. 7.Which fraction is 45%? (a) 7/10 (b) 1/5 (c) 9/20 (d) 1/10
  8. 8.Which fraction is 62.5%? (a) 4/5 (b) 2/5 (c) 5/8 (d) 7/8
  9. 9.3/8 as a percent =
  10. 10.65% as a decimal =
  11. 11.Which fraction is 0.05? (a) 1/10 (b) 11/20 (c) 1/20 (d) 9/20
  12. 12.0.05 as a percent =
  13. 13.1/5 as a percent =
  14. 14.70% as a decimal =
  15. 15.0.65 as a percent =
  16. 16.9/10 as a percent =
  17. 17.0.65 as a percent =
  18. 18.0.15 as a percent =
  19. 19.12.5% as a decimal =
  20. 20.Which fraction is 30%? (a) 1/2 (b) 7/20 (c) 4/5 (d) 3/10
  21. 21.Which fraction is 50%? (a) 3/8 (b) 1/2 (c) 3/20 (d) 9/20
  22. 22.0.5 as a percent =
  23. 23.Which fraction is 70%? (a) 4/5 (b) 9/10 (c) 19/20 (d) 7/10
  24. 24.55% as a decimal =
  25. 25.Which fraction is 60%? (a) 2/5 (b) 19/20 (c) 3/5 (d) 13/20
  26. 26.Which fraction is 35%? (a) 17/20 (b) 7/20 (c) 7/8 (d) 11/20
  27. 27.Which fraction is 55%? (a) 5/8 (b) 3/20 (c) 11/20 (d) 19/20
  28. 28.Which fraction is 0.75? (a) 1/8 (b) 1/2 (c) 3/4 (d) 3/10
  29. 29.13/20 as a percent =
  30. 30.0.125 as a percent =
  31. 31.0.75 as a percent =
  32. 32.95% as a decimal =
  33. 33.20% as a decimal =
  34. 34.0.3 as a percent =
  35. 35.5% as a decimal =
  36. 36.85% as a decimal =
  37. 37.3/10 as a percent =
  38. 38.60% as a decimal =
  39. 39.20% as a decimal =
  40. 40.0.1 as a percent =

Answer key

  1. 0.2
  2. 15
  3. 0.8
  4. 4/5
  5. 90
  6. 0.9
  7. 9/20
  8. 5/8
  9. 37.5
  10. 0.65
  11. 1/20
  12. 5
  13. 20
  14. 0.7
  15. 65
  16. 90
  17. 65
  18. 15
  19. 0.125
  20. 3/10
  21. 1/2
  22. 50
  23. 7/10
  24. 0.55
  25. 3/5
  26. 7/20
  27. 11/20
  28. 3/4
  29. 65
  30. 12.5
  31. 75
  32. 0.95
  33. 0.2
  34. 30
  35. 0.05
  36. 0.85
  37. 30
  38. 0.6
  39. 0.2
  40. 10

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