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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 54 · 40 questions
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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. 1.9/10 as a percent =
  2. 2.Which fraction is 0.45? (a) 1/20 (b) 1/10 (c) 9/20 (d) 1/2
  3. 3.Which fraction is 0.9? (a) 3/10 (b) 5/8 (c) 9/10 (d) 7/10
  4. 4.Which fraction is 62.5%? (a) 17/20 (b) 3/5 (c) 13/20 (d) 5/8
  5. 5.Which fraction is 90%? (a) 3/4 (b) 9/10 (c) 3/8 (d) 3/5
  6. 6.35% as a decimal =
  7. 7.Which fraction is 70%? (a) 7/10 (b) 1/20 (c) 13/20 (d) 19/20
  8. 8.45% as a decimal =
  9. 9.Which fraction is 95%? (a) 7/10 (b) 19/20 (c) 17/20 (d) 1/4
  10. 10.Which fraction is 0.625? (a) 4/5 (b) 13/20 (c) 17/20 (d) 5/8
  11. 11.5% as a decimal =
  12. 12.0.125 as a percent =
  13. 13.Which fraction is 15%? (a) 1/2 (b) 3/20 (c) 2/5 (d) 3/5
  14. 14.1/20 as a percent =
  15. 15.3/8 as a percent =
  16. 16.35% as a decimal =
  17. 17.5/8 as a percent =
  18. 18.25% as a decimal =
  19. 19.9/10 as a percent =
  20. 20.Which fraction is 75%? (a) 3/4 (b) 1/20 (c) 3/8 (d) 13/20
  21. 21.Which fraction is 0.05? (a) 7/8 (b) 2/5 (c) 1/4 (d) 1/20
  22. 22.1/2 as a percent =
  23. 23.0.8 as a percent =
  24. 24.0.125 as a percent =
  25. 25.Which fraction is 75%? (a) 3/4 (b) 1/4 (c) 19/20 (d) 11/20
  26. 26.1/4 as a percent =
  27. 27.Which fraction is 0.2? (a) 11/20 (b) 1/5 (c) 7/20 (d) 3/5
  28. 28.7/20 as a percent =
  29. 29.17/20 as a percent =
  30. 30.13/20 as a percent =
  31. 31.55% as a decimal =
  32. 32.Which fraction is 0.4? (a) 7/8 (b) 1/20 (c) 7/20 (d) 2/5
  33. 33.90% as a decimal =
  34. 34.0.5 as a percent =
  35. 35.0.85 as a percent =
  36. 36.50% as a decimal =
  37. 37.11/20 as a percent =
  38. 38.3/10 as a percent =
  39. 39.Which fraction is 0.55? (a) 3/10 (b) 19/20 (c) 17/20 (d) 11/20
  40. 40.0.95 as a percent =

Answer key

  1. 90
  2. 9/20
  3. 9/10
  4. 5/8
  5. 9/10
  6. 0.35
  7. 7/10
  8. 0.45
  9. 19/20
  10. 5/8
  11. 0.05
  12. 12.5
  13. 3/20
  14. 5
  15. 37.5
  16. 0.35
  17. 62.5
  18. 0.25
  19. 90
  20. 3/4
  21. 1/20
  22. 50
  23. 80
  24. 12.5
  25. 3/4
  26. 25
  27. 1/5
  28. 35
  29. 85
  30. 65
  31. 0.55
  32. 2/5
  33. 0.9
  34. 50
  35. 85
  36. 0.5
  37. 55
  38. 30
  39. 11/20
  40. 95

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