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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 171 · 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 0.85? (a) 17/20 (b) 1/2 (c) 1/8 (d) 9/20
  2. 2.75% as a decimal =
  3. 3.60% as a decimal =
  4. 4.75% as a decimal =
  5. 5.3/10 as a percent =
  6. 6.62.5% as a decimal =
  7. 7.Which fraction is 0.8? (a) 11/20 (b) 3/5 (c) 3/10 (d) 4/5
  8. 8.Which fraction is 5%? (a) 1/5 (b) 9/10 (c) 1/20 (d) 2/5
  9. 9.50% as a decimal =
  10. 10.Which fraction is 95%? (a) 1/10 (b) 9/20 (c) 2/5 (d) 19/20
  11. 11.95% as a decimal =
  12. 12.62.5% as a decimal =
  13. 13.1/5 as a percent =
  14. 14.7/8 as a percent =
  15. 15.0.85 as a percent =
  16. 16.3/5 as a percent =
  17. 17.5% as a decimal =
  18. 18.11/20 as a percent =
  19. 19.65% as a decimal =
  20. 20.Which fraction is 65%? (a) 7/20 (b) 1/8 (c) 13/20 (d) 7/10
  21. 21.80% as a decimal =
  22. 22.Which fraction is 10%? (a) 11/20 (b) 1/10 (c) 5/8 (d) 1/20
  23. 23.0.3 as a percent =
  24. 24.Which fraction is 90%? (a) 9/10 (b) 3/20 (c) 1/4 (d) 17/20
  25. 25.75% as a decimal =
  26. 26.0.3 as a percent =
  27. 27.Which fraction is 55%? (a) 7/10 (b) 1/8 (c) 11/20 (d) 3/8
  28. 28.2/5 as a percent =
  29. 29.0.8 as a percent =
  30. 30.Which fraction is 0.1? (a) 3/4 (b) 1/10 (c) 9/20 (d) 7/20
  31. 31.Which fraction is 0.75? (a) 11/20 (b) 1/10 (c) 3/4 (d) 19/20
  32. 32.0.625 as a percent =
  33. 33.50% as a decimal =
  34. 34.Which fraction is 55%? (a) 5/8 (b) 13/20 (c) 11/20 (d) 3/4
  35. 35.0.875 as a percent =
  36. 36.0.125 as a percent =
  37. 37.1/5 as a percent =
  38. 38.40% as a decimal =
  39. 39.3/8 as a percent =
  40. 40.3/10 as a percent =

Answer key

  1. 17/20
  2. 0.75
  3. 0.6
  4. 0.75
  5. 30
  6. 0.625
  7. 4/5
  8. 1/20
  9. 0.5
  10. 19/20
  11. 0.95
  12. 0.625
  13. 20
  14. 87.5
  15. 85
  16. 60
  17. 0.05
  18. 55
  19. 0.65
  20. 13/20
  21. 0.8
  22. 1/10
  23. 30
  24. 9/10
  25. 0.75
  26. 30
  27. 11/20
  28. 40
  29. 80
  30. 1/10
  31. 3/4
  32. 62.5
  33. 0.5
  34. 11/20
  35. 87.5
  36. 12.5
  37. 20
  38. 0.4
  39. 37.5
  40. 30

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