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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 498 · 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. 1.3/8 as a percent =
  2. 2.1/8 as a percent =
  3. 3.45% as a decimal =
  4. 4.0.05 as a percent =
  5. 5.0.2 as a percent =
  6. 6.0.625 as a percent =
  7. 7.50% as a decimal =
  8. 8.0.35 as a percent =
  9. 9.1/5 as a percent =
  10. 10.55% as a decimal =
  11. 11.Which fraction is 5%? (a) 1/2 (b) 1/20 (c) 9/10 (d) 1/4
  12. 12.Which fraction is 87.5%? (a) 3/4 (b) 3/10 (c) 9/10 (d) 7/8
  13. 13.1/4 as a percent =
  14. 14.0.25 as a percent =
  15. 15.Which fraction is 0.45? (a) 7/10 (b) 3/8 (c) 9/20 (d) 3/10
  16. 16.0.7 as a percent =
  17. 17.Which fraction is 50%? (a) 3/4 (b) 17/20 (c) 1/8 (d) 1/2
  18. 18.65% as a decimal =
  19. 19.11/20 as a percent =
  20. 20.0.375 as a percent =
  21. 21.0.4 as a percent =
  22. 22.55% as a decimal =
  23. 23.13/20 as a percent =
  24. 24.Which fraction is 0.4? (a) 1/20 (b) 1/2 (c) 3/20 (d) 2/5
  25. 25.70% as a decimal =
  26. 26.Which fraction is 0.75? (a) 3/8 (b) 3/10 (c) 3/20 (d) 3/4
  27. 27.85% as a decimal =
  28. 28.Which fraction is 50%? (a) 5/8 (b) 1/5 (c) 3/8 (d) 1/2
  29. 29.1/2 as a percent =
  30. 30.0.375 as a percent =
  31. 31.5% as a decimal =
  32. 32.1/4 as a percent =
  33. 33.Which fraction is 20%? (a) 7/8 (b) 1/5 (c) 3/4 (d) 1/2
  34. 34.Which fraction is 0.1? (a) 1/10 (b) 7/10 (c) 2/5 (d) 19/20
  35. 35.Which fraction is 85%? (a) 3/20 (b) 3/5 (c) 1/4 (d) 17/20
  36. 36.10% as a decimal =
  37. 37.Which fraction is 25%? (a) 1/4 (b) 3/8 (c) 2/5 (d) 7/8
  38. 38.55% as a decimal =
  39. 39.0.55 as a percent =
  40. 40.0.45 as a percent =

Answer key

  1. 37.5
  2. 12.5
  3. 0.45
  4. 5
  5. 20
  6. 62.5
  7. 0.5
  8. 35
  9. 20
  10. 0.55
  11. 1/20
  12. 7/8
  13. 25
  14. 25
  15. 9/20
  16. 70
  17. 1/2
  18. 0.65
  19. 55
  20. 37.5
  21. 40
  22. 0.55
  23. 65
  24. 2/5
  25. 0.7
  26. 3/4
  27. 0.85
  28. 1/2
  29. 50
  30. 37.5
  31. 0.05
  32. 25
  33. 1/5
  34. 1/10
  35. 17/20
  36. 0.1
  37. 1/4
  38. 0.55
  39. 55
  40. 45

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