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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 249 · 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) 4/5 (b) 17/20 (c) 3/4 (d) 9/20
  2. 2.0.35 as a percent =
  3. 3.Which fraction is 0.8? (a) 7/10 (b) 4/5 (c) 1/5 (d) 3/5
  4. 4.2/5 as a percent =
  5. 5.62.5% as a decimal =
  6. 6.15% as a decimal =
  7. 7.13/20 as a percent =
  8. 8.9/20 as a percent =
  9. 9.0.625 as a percent =
  10. 10.1/8 as a percent =
  11. 11.3/4 as a percent =
  12. 12.80% as a decimal =
  13. 13.0.7 as a percent =
  14. 14.0.75 as a percent =
  15. 15.1/20 as a percent =
  16. 16.Which fraction is 50%? (a) 1/4 (b) 1/10 (c) 1/2 (d) 7/8
  17. 17.Which fraction is 15%? (a) 3/20 (b) 2/5 (c) 7/8 (d) 19/20
  18. 18.Which fraction is 75%? (a) 7/10 (b) 3/4 (c) 3/8 (d) 17/20
  19. 19.Which fraction is 0.2? (a) 1/5 (b) 19/20 (c) 3/4 (d) 3/8
  20. 20.7/10 as a percent =
  21. 21.0.375 as a percent =
  22. 22.40% as a decimal =
  23. 23.50% as a decimal =
  24. 24.62.5% as a decimal =
  25. 25.Which fraction is 15%? (a) 3/5 (b) 11/20 (c) 3/20 (d) 7/10
  26. 26.30% as a decimal =
  27. 27.70% as a decimal =
  28. 28.9/10 as a percent =
  29. 29.9/10 as a percent =
  30. 30.Which fraction is 87.5%? (a) 4/5 (b) 1/8 (c) 1/20 (d) 7/8
  31. 31.17/20 as a percent =
  32. 32.10% as a decimal =
  33. 33.Which fraction is 0.375? (a) 1/2 (b) 7/8 (c) 3/10 (d) 3/8
  34. 34.1/20 as a percent =
  35. 35.0.6 as a percent =
  36. 36.1/10 as a percent =
  37. 37.85% as a decimal =
  38. 38.0.25 as a percent =
  39. 39.1/5 as a percent =
  40. 40.3/8 as a percent =

Answer key

  1. 17/20
  2. 35
  3. 4/5
  4. 40
  5. 0.625
  6. 0.15
  7. 65
  8. 45
  9. 62.5
  10. 12.5
  11. 75
  12. 0.8
  13. 70
  14. 75
  15. 5
  16. 1/2
  17. 3/20
  18. 3/4
  19. 1/5
  20. 70
  21. 37.5
  22. 0.4
  23. 0.5
  24. 0.625
  25. 3/20
  26. 0.3
  27. 0.7
  28. 90
  29. 90
  30. 7/8
  31. 85
  32. 0.1
  33. 3/8
  34. 5
  35. 60
  36. 10
  37. 0.85
  38. 25
  39. 20
  40. 37.5

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