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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 98 · 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.Which fraction is 0.05? (a) 1/8 (b) 3/5 (c) 1/20 (d) 11/20
  3. 3.Which fraction is 0.625? (a) 19/20 (b) 7/10 (c) 5/8 (d) 9/10
  4. 4.1/2 as a percent =
  5. 5.0.55 as a percent =
  6. 6.0.7 as a percent =
  7. 7.Which fraction is 0.35? (a) 7/20 (b) 11/20 (c) 3/5 (d) 17/20
  8. 8.19/20 as a percent =
  9. 9.5/8 as a percent =
  10. 10.4/5 as a percent =
  11. 11.0.55 as a percent =
  12. 12.0.75 as a percent =
  13. 13.30% as a decimal =
  14. 14.Which fraction is 0.7? (a) 4/5 (b) 1/20 (c) 3/20 (d) 7/10
  15. 15.25% as a decimal =
  16. 16.Which fraction is 87.5%? (a) 1/4 (b) 7/8 (c) 1/5 (d) 3/5
  17. 17.1/20 as a percent =
  18. 18.0.45 as a percent =
  19. 19.3/5 as a percent =
  20. 20.0.15 as a percent =
  21. 21.Which fraction is 10%? (a) 1/2 (b) 3/5 (c) 1/5 (d) 1/10
  22. 22.7/10 as a percent =
  23. 23.Which fraction is 85%? (a) 17/20 (b) 3/20 (c) 1/2 (d) 7/10
  24. 24.Which fraction is 45%? (a) 1/8 (b) 9/20 (c) 19/20 (d) 3/5
  25. 25.50% as a decimal =
  26. 26.0.625 as a percent =
  27. 27.1/2 as a percent =
  28. 28.5/8 as a percent =
  29. 29.15% as a decimal =
  30. 30.0.1 as a percent =
  31. 31.55% as a decimal =
  32. 32.9/10 as a percent =
  33. 33.35% as a decimal =
  34. 34.1/2 as a percent =
  35. 35.3/10 as a percent =
  36. 36.95% as a decimal =
  37. 37.60% as a decimal =
  38. 38.0.15 as a percent =
  39. 39.0.55 as a percent =
  40. 40.75% as a decimal =

Answer key

  1. 37.5
  2. 1/20
  3. 5/8
  4. 50
  5. 55
  6. 70
  7. 7/20
  8. 95
  9. 62.5
  10. 80
  11. 55
  12. 75
  13. 0.3
  14. 7/10
  15. 0.25
  16. 7/8
  17. 5
  18. 45
  19. 60
  20. 15
  21. 1/10
  22. 70
  23. 17/20
  24. 9/20
  25. 0.5
  26. 62.5
  27. 50
  28. 62.5
  29. 0.15
  30. 10
  31. 0.55
  32. 90
  33. 0.35
  34. 50
  35. 30
  36. 0.95
  37. 0.6
  38. 15
  39. 55
  40. 0.75

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