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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 506 · 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. 1.55% as a decimal =
  2. 2.0.4 as a percent =
  3. 3.37.5% as a decimal =
  4. 4.Which fraction is 0.5? (a) 9/20 (b) 3/4 (c) 7/10 (d) 1/2
  5. 5.10% as a decimal =
  6. 6.Which fraction is 0.45? (a) 1/2 (b) 7/20 (c) 9/20 (d) 5/8
  7. 7.3/20 as a percent =
  8. 8.25% as a decimal =
  9. 9.55% as a decimal =
  10. 10.Which fraction is 0.375? (a) 3/20 (b) 3/4 (c) 3/8 (d) 4/5
  11. 11.Which fraction is 60%? (a) 1/2 (b) 1/4 (c) 1/5 (d) 3/5
  12. 12.3/8 as a percent =
  13. 13.0.35 as a percent =
  14. 14.3/10 as a percent =
  15. 15.3/10 as a percent =
  16. 16.4/5 as a percent =
  17. 17.0.35 as a percent =
  18. 18.Which fraction is 0.25? (a) 7/20 (b) 1/20 (c) 1/4 (d) 1/2
  19. 19.Which fraction is 0.45? (a) 1/4 (b) 9/20 (c) 3/5 (d) 1/8
  20. 20.5/8 as a percent =
  21. 21.65% as a decimal =
  22. 22.Which fraction is 0.4? (a) 2/5 (b) 9/10 (c) 1/20 (d) 11/20
  23. 23.30% as a decimal =
  24. 24.1/4 as a percent =
  25. 25.0.05 as a percent =
  26. 26.62.5% as a decimal =
  27. 27.75% as a decimal =
  28. 28.3/8 as a percent =
  29. 29.17/20 as a percent =
  30. 30.15% as a decimal =
  31. 31.1/2 as a percent =
  32. 32.0.05 as a percent =
  33. 33.1/8 as a percent =
  34. 34.0.6 as a percent =
  35. 35.Which fraction is 0.55? (a) 3/5 (b) 1/5 (c) 11/20 (d) 2/5
  36. 36.Which fraction is 0.45? (a) 13/20 (b) 9/10 (c) 9/20 (d) 1/4
  37. 37.3/8 as a percent =
  38. 38.0.2 as a percent =
  39. 39.Which fraction is 0.9? (a) 9/10 (b) 1/5 (c) 7/10 (d) 11/20
  40. 40.Which fraction is 85%? (a) 3/5 (b) 17/20 (c) 13/20 (d) 3/4

Answer key

  1. 0.55
  2. 40
  3. 0.375
  4. 1/2
  5. 0.1
  6. 9/20
  7. 15
  8. 0.25
  9. 0.55
  10. 3/8
  11. 3/5
  12. 37.5
  13. 35
  14. 30
  15. 30
  16. 80
  17. 35
  18. 1/4
  19. 9/20
  20. 62.5
  21. 0.65
  22. 2/5
  23. 0.3
  24. 25
  25. 5
  26. 0.625
  27. 0.75
  28. 37.5
  29. 85
  30. 0.15
  31. 50
  32. 5
  33. 12.5
  34. 60
  35. 11/20
  36. 9/20
  37. 37.5
  38. 20
  39. 9/10
  40. 17/20

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