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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 45 · 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. 2.15% as a decimal =
  3. 3.0.2 as a percent =
  4. 4.7/20 as a percent =
  5. 5.Which fraction is 75%? (a) 3/5 (b) 19/20 (c) 3/4 (d) 3/20
  6. 6.0.05 as a percent =
  7. 7.87.5% as a decimal =
  8. 8.0.85 as a percent =
  9. 9.3/8 as a percent =
  10. 10.0.3 as a percent =
  11. 11.0.8 as a percent =
  12. 12.7/10 as a percent =
  13. 13.0.9 as a percent =
  14. 14.0.05 as a percent =
  15. 15.19/20 as a percent =
  16. 16.7/10 as a percent =
  17. 17.60% as a decimal =
  18. 18.20% as a decimal =
  19. 19.5% as a decimal =
  20. 20.1/5 as a percent =
  21. 21.Which fraction is 0.85? (a) 4/5 (b) 1/5 (c) 19/20 (d) 17/20
  22. 22.Which fraction is 70%? (a) 2/5 (b) 1/5 (c) 9/10 (d) 7/10
  23. 23.9/10 as a percent =
  24. 24.Which fraction is 60%? (a) 19/20 (b) 1/20 (c) 3/5 (d) 17/20
  25. 25.Which fraction is 12.5%? (a) 3/4 (b) 3/20 (c) 11/20 (d) 1/8
  26. 26.20% as a decimal =
  27. 27.Which fraction is 0.8? (a) 1/5 (b) 13/20 (c) 4/5 (d) 1/2
  28. 28.5% as a decimal =
  29. 29.3/10 as a percent =
  30. 30.Which fraction is 5%? (a) 19/20 (b) 3/8 (c) 1/20 (d) 2/5
  31. 31.5% as a decimal =
  32. 32.0.65 as a percent =
  33. 33.Which fraction is 90%? (a) 5/8 (b) 1/10 (c) 1/5 (d) 9/10
  34. 34.0.6 as a percent =
  35. 35.1/4 as a percent =
  36. 36.3/10 as a percent =
  37. 37.40% as a decimal =
  38. 38.Which fraction is 12.5%? (a) 1/4 (b) 3/10 (c) 1/2 (d) 1/8
  39. 39.0.2 as a percent =
  40. 40.0.8 as a percent =

Answer key

  1. 37.5
  2. 0.15
  3. 20
  4. 35
  5. 3/4
  6. 5
  7. 0.875
  8. 85
  9. 37.5
  10. 30
  11. 80
  12. 70
  13. 90
  14. 5
  15. 95
  16. 70
  17. 0.6
  18. 0.2
  19. 0.05
  20. 20
  21. 17/20
  22. 7/10
  23. 90
  24. 3/5
  25. 1/8
  26. 0.2
  27. 4/5
  28. 0.05
  29. 30
  30. 1/20
  31. 0.05
  32. 65
  33. 9/10
  34. 60
  35. 25
  36. 30
  37. 0.4
  38. 1/8
  39. 20
  40. 80

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