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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 102 · 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. 1.55% as a decimal =
  2. 2.Which fraction is 0.3? (a) 9/10 (b) 3/10 (c) 3/4 (d) 1/5
  3. 3.7/8 as a percent =
  4. 4.0.1 as a percent =
  5. 5.3/20 as a percent =
  6. 6.1/8 as a percent =
  7. 7.4/5 as a percent =
  8. 8.19/20 as a percent =
  9. 9.0.55 as a percent =
  10. 10.Which fraction is 15%? (a) 2/5 (b) 1/10 (c) 3/8 (d) 3/20
  11. 11.Which fraction is 0.875? (a) 5/8 (b) 4/5 (c) 7/8 (d) 7/10
  12. 12.60% as a decimal =
  13. 13.0.7 as a percent =
  14. 14.Which fraction is 0.15? (a) 3/20 (b) 7/10 (c) 1/2 (d) 1/10
  15. 15.1/10 as a percent =
  16. 16.Which fraction is 0.6? (a) 3/5 (b) 3/4 (c) 1/2 (d) 13/20
  17. 17.Which fraction is 80%? (a) 7/20 (b) 3/5 (c) 3/20 (d) 4/5
  18. 18.1/20 as a percent =
  19. 19.0.55 as a percent =
  20. 20.1/8 as a percent =
  21. 21.0.9 as a percent =
  22. 22.Which fraction is 0.125? (a) 3/4 (b) 1/8 (c) 9/20 (d) 5/8
  23. 23.0.3 as a percent =
  24. 24.0.625 as a percent =
  25. 25.7/10 as a percent =
  26. 26.Which fraction is 0.8? (a) 1/20 (b) 4/5 (c) 1/4 (d) 7/10
  27. 27.87.5% as a decimal =
  28. 28.Which fraction is 90%? (a) 9/10 (b) 1/4 (c) 17/20 (d) 1/5
  29. 29.Which fraction is 60%? (a) 7/10 (b) 7/8 (c) 11/20 (d) 3/5
  30. 30.45% as a decimal =
  31. 31.0.4 as a percent =
  32. 32.35% as a decimal =
  33. 33.Which fraction is 95%? (a) 1/2 (b) 19/20 (c) 1/20 (d) 3/4
  34. 34.1/8 as a percent =
  35. 35.5/8 as a percent =
  36. 36.Which fraction is 30%? (a) 19/20 (b) 3/10 (c) 1/8 (d) 1/5
  37. 37.25% as a decimal =
  38. 38.Which fraction is 87.5%? (a) 7/8 (b) 1/4 (c) 9/20 (d) 9/10
  39. 39.70% as a decimal =
  40. 40.0.875 as a percent =

Answer key

  1. 0.55
  2. 3/10
  3. 87.5
  4. 10
  5. 15
  6. 12.5
  7. 80
  8. 95
  9. 55
  10. 3/20
  11. 7/8
  12. 0.6
  13. 70
  14. 3/20
  15. 10
  16. 3/5
  17. 4/5
  18. 5
  19. 55
  20. 12.5
  21. 90
  22. 1/8
  23. 30
  24. 62.5
  25. 70
  26. 4/5
  27. 0.875
  28. 9/10
  29. 3/5
  30. 0.45
  31. 40
  32. 0.35
  33. 19/20
  34. 12.5
  35. 62.5
  36. 3/10
  37. 0.25
  38. 7/8
  39. 0.7
  40. 87.5

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