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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 455 · 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.Which fraction is 0.8? (a) 17/20 (b) 9/10 (c) 3/4 (d) 4/5
  2. 2.0.8 as a percent =
  3. 3.Which fraction is 0.5? (a) 9/20 (b) 1/2 (c) 1/10 (d) 3/8
  4. 4.1/10 as a percent =
  5. 5.0.8 as a percent =
  6. 6.0.5 as a percent =
  7. 7.1/5 as a percent =
  8. 8.0.45 as a percent =
  9. 9.30% as a decimal =
  10. 10.Which fraction is 95%? (a) 9/10 (b) 13/20 (c) 1/5 (d) 19/20
  11. 11.75% as a decimal =
  12. 12.0.25 as a percent =
  13. 13.Which fraction is 45%? (a) 7/20 (b) 7/8 (c) 2/5 (d) 9/20
  14. 14.10% as a decimal =
  15. 15.4/5 as a percent =
  16. 16.1/8 as a percent =
  17. 17.11/20 as a percent =
  18. 18.Which fraction is 35%? (a) 5/8 (b) 3/4 (c) 1/2 (d) 7/20
  19. 19.Which fraction is 90%? (a) 9/10 (b) 3/4 (c) 1/5 (d) 7/20
  20. 20.Which fraction is 75%? (a) 7/10 (b) 3/4 (c) 1/20 (d) 1/8
  21. 21.3/10 as a percent =
  22. 22.0.75 as a percent =
  23. 23.Which fraction is 0.45? (a) 3/4 (b) 1/5 (c) 2/5 (d) 9/20
  24. 24.Which fraction is 0.3? (a) 3/10 (b) 1/2 (c) 4/5 (d) 2/5
  25. 25.3/8 as a percent =
  26. 26.0.3 as a percent =
  27. 27.Which fraction is 80%? (a) 1/10 (b) 1/8 (c) 4/5 (d) 3/8
  28. 28.0.25 as a percent =
  29. 29.Which fraction is 85%? (a) 17/20 (b) 4/5 (c) 1/8 (d) 5/8
  30. 30.11/20 as a percent =
  31. 31.45% as a decimal =
  32. 32.0.625 as a percent =
  33. 33.0.3 as a percent =
  34. 34.0.6 as a percent =
  35. 35.3/10 as a percent =
  36. 36.Which fraction is 40%? (a) 3/5 (b) 1/5 (c) 2/5 (d) 1/20
  37. 37.1/2 as a percent =
  38. 38.Which fraction is 0.55? (a) 3/20 (b) 11/20 (c) 7/20 (d) 1/2
  39. 39.Which fraction is 0.4? (a) 3/20 (b) 9/10 (c) 1/10 (d) 2/5
  40. 40.4/5 as a percent =

Answer key

  1. 4/5
  2. 80
  3. 1/2
  4. 10
  5. 80
  6. 50
  7. 20
  8. 45
  9. 0.3
  10. 19/20
  11. 0.75
  12. 25
  13. 9/20
  14. 0.1
  15. 80
  16. 12.5
  17. 55
  18. 7/20
  19. 9/10
  20. 3/4
  21. 30
  22. 75
  23. 9/20
  24. 3/10
  25. 37.5
  26. 30
  27. 4/5
  28. 25
  29. 17/20
  30. 55
  31. 0.45
  32. 62.5
  33. 30
  34. 60
  35. 30
  36. 2/5
  37. 50
  38. 11/20
  39. 2/5
  40. 80

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