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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 170 · 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 80%? (a) 1/4 (b) 7/8 (c) 2/5 (d) 4/5
  2. 2.40% as a decimal =
  3. 3.Which fraction is 37.5%? (a) 1/2 (b) 4/5 (c) 2/5 (d) 3/8
  4. 4.2/5 as a percent =
  5. 5.3/20 as a percent =
  6. 6.0.85 as a percent =
  7. 7.0.95 as a percent =
  8. 8.37.5% as a decimal =
  9. 9.1/8 as a percent =
  10. 10.4/5 as a percent =
  11. 11.3/5 as a percent =
  12. 12.Which fraction is 90%? (a) 19/20 (b) 7/8 (c) 5/8 (d) 9/10
  13. 13.Which fraction is 75%? (a) 3/20 (b) 3/4 (c) 3/5 (d) 1/2
  14. 14.0.45 as a percent =
  15. 15.87.5% as a decimal =
  16. 16.Which fraction is 37.5%? (a) 3/8 (b) 17/20 (c) 3/10 (d) 1/4
  17. 17.55% as a decimal =
  18. 18.Which fraction is 50%? (a) 1/2 (b) 3/4 (c) 7/8 (d) 1/10
  19. 19.Which fraction is 37.5%? (a) 3/8 (b) 1/8 (c) 1/4 (d) 7/10
  20. 20.1/5 as a percent =
  21. 21.9/20 as a percent =
  22. 22.0.15 as a percent =
  23. 23.9/20 as a percent =
  24. 24.1/2 as a percent =
  25. 25.62.5% as a decimal =
  26. 26.0.7 as a percent =
  27. 27.3/10 as a percent =
  28. 28.Which fraction is 20%? (a) 1/4 (b) 2/5 (c) 17/20 (d) 1/5
  29. 29.95% as a decimal =
  30. 30.35% as a decimal =
  31. 31.Which fraction is 20%? (a) 1/5 (b) 3/5 (c) 3/8 (d) 7/10
  32. 32.Which fraction is 95%? (a) 3/10 (b) 19/20 (c) 7/10 (d) 1/20
  33. 33.13/20 as a percent =
  34. 34.Which fraction is 45%? (a) 3/8 (b) 17/20 (c) 9/20 (d) 4/5
  35. 35.Which fraction is 70%? (a) 1/10 (b) 1/4 (c) 9/10 (d) 7/10
  36. 36.40% as a decimal =
  37. 37.1/4 as a percent =
  38. 38.25% as a decimal =
  39. 39.1/8 as a percent =
  40. 40.9/20 as a percent =

Answer key

  1. 4/5
  2. 0.4
  3. 3/8
  4. 40
  5. 15
  6. 85
  7. 95
  8. 0.375
  9. 12.5
  10. 80
  11. 60
  12. 9/10
  13. 3/4
  14. 45
  15. 0.875
  16. 3/8
  17. 0.55
  18. 1/2
  19. 3/8
  20. 20
  21. 45
  22. 15
  23. 45
  24. 50
  25. 0.625
  26. 70
  27. 30
  28. 1/5
  29. 0.95
  30. 0.35
  31. 1/5
  32. 19/20
  33. 65
  34. 9/20
  35. 7/10
  36. 0.4
  37. 25
  38. 0.25
  39. 12.5
  40. 45

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