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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 370 · 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. 1.4/5 as a percent =
  2. 2.70% as a decimal =
  3. 3.Which fraction is 65%? (a) 11/20 (b) 1/2 (c) 7/20 (d) 13/20
  4. 4.Which fraction is 0.9? (a) 13/20 (b) 9/10 (c) 4/5 (d) 1/10
  5. 5.0.75 as a percent =
  6. 6.Which fraction is 20%? (a) 3/20 (b) 17/20 (c) 7/8 (d) 1/5
  7. 7.0.4 as a percent =
  8. 8.45% as a decimal =
  9. 9.9/10 as a percent =
  10. 10.0.15 as a percent =
  11. 11.0.5 as a percent =
  12. 12.3/8 as a percent =
  13. 13.55% as a decimal =
  14. 14.Which fraction is 0.8? (a) 13/20 (b) 4/5 (c) 1/10 (d) 7/8
  15. 15.4/5 as a percent =
  16. 16.Which fraction is 0.375? (a) 3/8 (b) 2/5 (c) 1/8 (d) 1/5
  17. 17.10% as a decimal =
  18. 18.0.9 as a percent =
  19. 19.0.25 as a percent =
  20. 20.Which fraction is 85%? (a) 19/20 (b) 9/10 (c) 17/20 (d) 9/20
  21. 21.60% as a decimal =
  22. 22.1/5 as a percent =
  23. 23.20% as a decimal =
  24. 24.2/5 as a percent =
  25. 25.1/4 as a percent =
  26. 26.19/20 as a percent =
  27. 27.0.8 as a percent =
  28. 28.5% as a decimal =
  29. 29.1/5 as a percent =
  30. 30.Which fraction is 12.5%? (a) 1/2 (b) 5/8 (c) 1/4 (d) 1/8
  31. 31.3/4 as a percent =
  32. 32.0.95 as a percent =
  33. 33.Which fraction is 90%? (a) 3/8 (b) 9/10 (c) 7/10 (d) 2/5
  34. 34.9/20 as a percent =
  35. 35.30% as a decimal =
  36. 36.Which fraction is 40%? (a) 3/8 (b) 7/8 (c) 19/20 (d) 2/5
  37. 37.10% as a decimal =
  38. 38.0.7 as a percent =
  39. 39.1/2 as a percent =
  40. 40.1/5 as a percent =

Answer key

  1. 80
  2. 0.7
  3. 13/20
  4. 9/10
  5. 75
  6. 1/5
  7. 40
  8. 0.45
  9. 90
  10. 15
  11. 50
  12. 37.5
  13. 0.55
  14. 4/5
  15. 80
  16. 3/8
  17. 0.1
  18. 90
  19. 25
  20. 17/20
  21. 0.6
  22. 20
  23. 0.2
  24. 40
  25. 25
  26. 95
  27. 80
  28. 0.05
  29. 20
  30. 1/8
  31. 75
  32. 95
  33. 9/10
  34. 45
  35. 0.3
  36. 2/5
  37. 0.1
  38. 70
  39. 50
  40. 20

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