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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 123 · 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 0.375? (a) 3/5 (b) 9/20 (c) 1/4 (d) 3/8
  2. 2.Which fraction is 10%? (a) 1/10 (b) 7/10 (c) 7/20 (d) 1/2
  3. 3.30% as a decimal =
  4. 4.0.75 as a percent =
  5. 5.55% as a decimal =
  6. 6.Which fraction is 80%? (a) 4/5 (b) 1/2 (c) 5/8 (d) 7/10
  7. 7.15% as a decimal =
  8. 8.0.85 as a percent =
  9. 9.Which fraction is 0.1? (a) 3/4 (b) 7/8 (c) 3/20 (d) 1/10
  10. 10.75% as a decimal =
  11. 11.0.375 as a percent =
  12. 12.75% as a decimal =
  13. 13.Which fraction is 37.5%? (a) 1/10 (b) 2/5 (c) 1/4 (d) 3/8
  14. 14.Which fraction is 87.5%? (a) 7/20 (b) 3/10 (c) 1/5 (d) 7/8
  15. 15.0.55 as a percent =
  16. 16.7/10 as a percent =
  17. 17.17/20 as a percent =
  18. 18.Which fraction is 62.5%? (a) 3/5 (b) 7/10 (c) 1/4 (d) 5/8
  19. 19.5% as a decimal =
  20. 20.0.125 as a percent =
  21. 21.45% as a decimal =
  22. 22.3/8 as a percent =
  23. 23.10% as a decimal =
  24. 24.3/20 as a percent =
  25. 25.0.875 as a percent =
  26. 26.60% as a decimal =
  27. 27.20% as a decimal =
  28. 28.0.25 as a percent =
  29. 29.3/10 as a percent =
  30. 30.0.375 as a percent =
  31. 31.3/10 as a percent =
  32. 32.70% as a decimal =
  33. 33.0.5 as a percent =
  34. 34.0.65 as a percent =
  35. 35.37.5% as a decimal =
  36. 36.75% as a decimal =
  37. 37.0.55 as a percent =
  38. 38.25% as a decimal =
  39. 39.70% as a decimal =
  40. 40.40% as a decimal =

Answer key

  1. 3/8
  2. 1/10
  3. 0.3
  4. 75
  5. 0.55
  6. 4/5
  7. 0.15
  8. 85
  9. 1/10
  10. 0.75
  11. 37.5
  12. 0.75
  13. 3/8
  14. 7/8
  15. 55
  16. 70
  17. 85
  18. 5/8
  19. 0.05
  20. 12.5
  21. 0.45
  22. 37.5
  23. 0.1
  24. 15
  25. 87.5
  26. 0.6
  27. 0.2
  28. 25
  29. 30
  30. 37.5
  31. 30
  32. 0.7
  33. 50
  34. 65
  35. 0.375
  36. 0.75
  37. 55
  38. 0.25
  39. 0.7
  40. 0.4

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