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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 505 · 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. 1.5% as a decimal =
  2. 2.0.85 as a percent =
  3. 3.35% as a decimal =
  4. 4.0.75 as a percent =
  5. 5.Which fraction is 70%? (a) 3/4 (b) 5/8 (c) 4/5 (d) 7/10
  6. 6.Which fraction is 30%? (a) 1/8 (b) 3/10 (c) 1/4 (d) 9/20
  7. 7.2/5 as a percent =
  8. 8.0.375 as a percent =
  9. 9.1/4 as a percent =
  10. 10.9/10 as a percent =
  11. 11.9/20 as a percent =
  12. 12.0.2 as a percent =
  13. 13.0.45 as a percent =
  14. 14.5/8 as a percent =
  15. 15.0.15 as a percent =
  16. 16.Which fraction is 0.625? (a) 3/5 (b) 7/10 (c) 1/8 (d) 5/8
  17. 17.35% as a decimal =
  18. 18.25% as a decimal =
  19. 19.Which fraction is 30%? (a) 13/20 (b) 2/5 (c) 7/8 (d) 3/10
  20. 20.Which fraction is 0.375? (a) 1/2 (b) 11/20 (c) 3/8 (d) 7/20
  21. 21.37.5% as a decimal =
  22. 22.4/5 as a percent =
  23. 23.62.5% as a decimal =
  24. 24.11/20 as a percent =
  25. 25.Which fraction is 25%? (a) 9/20 (b) 13/20 (c) 7/8 (d) 1/4
  26. 26.7/8 as a percent =
  27. 27.87.5% as a decimal =
  28. 28.13/20 as a percent =
  29. 29.4/5 as a percent =
  30. 30.Which fraction is 45%? (a) 4/5 (b) 1/20 (c) 7/8 (d) 9/20
  31. 31.Which fraction is 37.5%? (a) 3/20 (b) 19/20 (c) 1/10 (d) 3/8
  32. 32.65% as a decimal =
  33. 33.Which fraction is 62.5%? (a) 1/8 (b) 3/8 (c) 17/20 (d) 5/8
  34. 34.Which fraction is 60%? (a) 9/10 (b) 7/20 (c) 1/2 (d) 3/5
  35. 35.Which fraction is 75%? (a) 7/8 (b) 1/10 (c) 9/20 (d) 3/4
  36. 36.Which fraction is 80%? (a) 3/5 (b) 4/5 (c) 3/4 (d) 1/5
  37. 37.Which fraction is 0.6? (a) 7/10 (b) 7/20 (c) 3/8 (d) 3/5
  38. 38.1/10 as a percent =
  39. 39.2/5 as a percent =
  40. 40.1/2 as a percent =

Answer key

  1. 0.05
  2. 85
  3. 0.35
  4. 75
  5. 7/10
  6. 3/10
  7. 40
  8. 37.5
  9. 25
  10. 90
  11. 45
  12. 20
  13. 45
  14. 62.5
  15. 15
  16. 5/8
  17. 0.35
  18. 0.25
  19. 3/10
  20. 3/8
  21. 0.375
  22. 80
  23. 0.625
  24. 55
  25. 1/4
  26. 87.5
  27. 0.875
  28. 65
  29. 80
  30. 9/20
  31. 3/8
  32. 0.65
  33. 5/8
  34. 3/5
  35. 3/4
  36. 4/5
  37. 3/5
  38. 10
  39. 40
  40. 50

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