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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 615 · 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. 1.3/4 as a percent =
  2. 2.0.4 as a percent =
  3. 3.0.625 as a percent =
  4. 4.17/20 as a percent =
  5. 5.0.125 as a percent =
  6. 6.0.7 as a percent =
  7. 7.40% as a decimal =
  8. 8.45% as a decimal =
  9. 9.60% as a decimal =
  10. 10.1/5 as a percent =
  11. 11.Which fraction is 0.25? (a) 9/20 (b) 1/4 (c) 1/20 (d) 3/10
  12. 12.7/10 as a percent =
  13. 13.0.6 as a percent =
  14. 14.85% as a decimal =
  15. 15.0.45 as a percent =
  16. 16.9/10 as a percent =
  17. 17.Which fraction is 25%? (a) 3/20 (b) 2/5 (c) 1/4 (d) 7/20
  18. 18.3/20 as a percent =
  19. 19.Which fraction is 0.3? (a) 4/5 (b) 7/10 (c) 3/10 (d) 3/8
  20. 20.0.45 as a percent =
  21. 21.Which fraction is 80%? (a) 1/2 (b) 9/20 (c) 4/5 (d) 1/4
  22. 22.45% as a decimal =
  23. 23.0.25 as a percent =
  24. 24.Which fraction is 10%? (a) 5/8 (b) 1/8 (c) 1/4 (d) 1/10
  25. 25.2/5 as a percent =
  26. 26.3/10 as a percent =
  27. 27.Which fraction is 85%? (a) 17/20 (b) 7/10 (c) 3/5 (d) 1/2
  28. 28.9/20 as a percent =
  29. 29.62.5% as a decimal =
  30. 30.Which fraction is 37.5%? (a) 3/10 (b) 1/5 (c) 3/8 (d) 7/8
  31. 31.Which fraction is 85%? (a) 3/10 (b) 1/20 (c) 17/20 (d) 3/4
  32. 32.11/20 as a percent =
  33. 33.7/20 as a percent =
  34. 34.Which fraction is 50%? (a) 1/2 (b) 7/20 (c) 1/20 (d) 4/5
  35. 35.90% as a decimal =
  36. 36.2/5 as a percent =
  37. 37.60% as a decimal =
  38. 38.80% as a decimal =
  39. 39.Which fraction is 0.15? (a) 19/20 (b) 3/20 (c) 13/20 (d) 1/20
  40. 40.1/10 as a percent =

Answer key

  1. 75
  2. 40
  3. 62.5
  4. 85
  5. 12.5
  6. 70
  7. 0.4
  8. 0.45
  9. 0.6
  10. 20
  11. 1/4
  12. 70
  13. 60
  14. 0.85
  15. 45
  16. 90
  17. 1/4
  18. 15
  19. 3/10
  20. 45
  21. 4/5
  22. 0.45
  23. 25
  24. 1/10
  25. 40
  26. 30
  27. 17/20
  28. 45
  29. 0.625
  30. 3/8
  31. 17/20
  32. 55
  33. 35
  34. 1/2
  35. 0.9
  36. 40
  37. 0.6
  38. 0.8
  39. 3/20
  40. 10

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