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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 477 · 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 10%? (a) 1/10 (b) 3/5 (c) 3/8 (d) 7/20
  2. 2.0.9 as a percent =
  3. 3.Which fraction is 45%? (a) 3/20 (b) 1/5 (c) 9/20 (d) 7/8
  4. 4.0.75 as a percent =
  5. 5.1/5 as a percent =
  6. 6.1/5 as a percent =
  7. 7.0.125 as a percent =
  8. 8.15% as a decimal =
  9. 9.0.65 as a percent =
  10. 10.37.5% as a decimal =
  11. 11.Which fraction is 0.65? (a) 1/2 (b) 1/8 (c) 1/10 (d) 13/20
  12. 12.3/8 as a percent =
  13. 13.3/10 as a percent =
  14. 14.Which fraction is 35%? (a) 5/8 (b) 1/4 (c) 1/10 (d) 7/20
  15. 15.Which fraction is 55%? (a) 7/8 (b) 9/10 (c) 11/20 (d) 3/10
  16. 16.62.5% as a decimal =
  17. 17.Which fraction is 95%? (a) 7/8 (b) 7/20 (c) 1/10 (d) 19/20
  18. 18.0.95 as a percent =
  19. 19.Which fraction is 25%? (a) 1/5 (b) 17/20 (c) 13/20 (d) 1/4
  20. 20.17/20 as a percent =
  21. 21.0.25 as a percent =
  22. 22.50% as a decimal =
  23. 23.0.4 as a percent =
  24. 24.3/10 as a percent =
  25. 25.2/5 as a percent =
  26. 26.0.25 as a percent =
  27. 27.0.9 as a percent =
  28. 28.0.9 as a percent =
  29. 29.80% as a decimal =
  30. 30.65% as a decimal =
  31. 31.5/8 as a percent =
  32. 32.0.85 as a percent =
  33. 33.4/5 as a percent =
  34. 34.60% as a decimal =
  35. 35.3/4 as a percent =
  36. 36.1/4 as a percent =
  37. 37.Which fraction is 30%? (a) 3/20 (b) 7/10 (c) 3/10 (d) 3/4
  38. 38.3/8 as a percent =
  39. 39.9/10 as a percent =
  40. 40.Which fraction is 95%? (a) 1/4 (b) 1/20 (c) 3/5 (d) 19/20

Answer key

  1. 1/10
  2. 90
  3. 9/20
  4. 75
  5. 20
  6. 20
  7. 12.5
  8. 0.15
  9. 65
  10. 0.375
  11. 13/20
  12. 37.5
  13. 30
  14. 7/20
  15. 11/20
  16. 0.625
  17. 19/20
  18. 95
  19. 1/4
  20. 85
  21. 25
  22. 0.5
  23. 40
  24. 30
  25. 40
  26. 25
  27. 90
  28. 90
  29. 0.8
  30. 0.65
  31. 62.5
  32. 85
  33. 80
  34. 0.6
  35. 75
  36. 25
  37. 3/10
  38. 37.5
  39. 90
  40. 19/20

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