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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 142 · 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.Which fraction is 0.55? (a) 11/20 (b) 17/20 (c) 1/4 (d) 4/5
  2. 2.30% as a decimal =
  3. 3.0.05 as a percent =
  4. 4.1/10 as a percent =
  5. 5.1/5 as a percent =
  6. 6.15% as a decimal =
  7. 7.0.8 as a percent =
  8. 8.12.5% as a decimal =
  9. 9.17/20 as a percent =
  10. 10.3/20 as a percent =
  11. 11.Which fraction is 0.35? (a) 7/20 (b) 4/5 (c) 3/10 (d) 9/20
  12. 12.0.15 as a percent =
  13. 13.Which fraction is 0.65? (a) 1/4 (b) 3/5 (c) 13/20 (d) 3/10
  14. 14.0.4 as a percent =
  15. 15.80% as a decimal =
  16. 16.75% as a decimal =
  17. 17.0.6 as a percent =
  18. 18.55% as a decimal =
  19. 19.65% as a decimal =
  20. 20.75% as a decimal =
  21. 21.Which fraction is 40%? (a) 17/20 (b) 3/10 (c) 4/5 (d) 2/5
  22. 22.20% as a decimal =
  23. 23.Which fraction is 0.8? (a) 3/4 (b) 1/20 (c) 3/8 (d) 4/5
  24. 24.3/4 as a percent =
  25. 25.0.3 as a percent =
  26. 26.62.5% as a decimal =
  27. 27.Which fraction is 5%? (a) 1/20 (b) 7/10 (c) 1/5 (d) 3/10
  28. 28.62.5% as a decimal =
  29. 29.0.5 as a percent =
  30. 30.19/20 as a percent =
  31. 31.11/20 as a percent =
  32. 32.1/8 as a percent =
  33. 33.0.8 as a percent =
  34. 34.0.95 as a percent =
  35. 35.3/20 as a percent =
  36. 36.19/20 as a percent =
  37. 37.12.5% as a decimal =
  38. 38.80% as a decimal =
  39. 39.65% as a decimal =
  40. 40.50% as a decimal =

Answer key

  1. 11/20
  2. 0.3
  3. 5
  4. 10
  5. 20
  6. 0.15
  7. 80
  8. 0.125
  9. 85
  10. 15
  11. 7/20
  12. 15
  13. 13/20
  14. 40
  15. 0.8
  16. 0.75
  17. 60
  18. 0.55
  19. 0.65
  20. 0.75
  21. 2/5
  22. 0.2
  23. 4/5
  24. 75
  25. 30
  26. 0.625
  27. 1/20
  28. 0.625
  29. 50
  30. 95
  31. 55
  32. 12.5
  33. 80
  34. 95
  35. 15
  36. 95
  37. 0.125
  38. 0.8
  39. 0.65
  40. 0.5

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