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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 226 · 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. 1.7/10 as a percent =
  2. 2.Which fraction is 5%? (a) 1/20 (b) 1/10 (c) 1/4 (d) 9/20
  3. 3.0.375 as a percent =
  4. 4.Which fraction is 0.45? (a) 9/20 (b) 2/5 (c) 3/10 (d) 1/10
  5. 5.Which fraction is 65%? (a) 17/20 (b) 9/10 (c) 13/20 (d) 1/10
  6. 6.85% as a decimal =
  7. 7.7/8 as a percent =
  8. 8.55% as a decimal =
  9. 9.Which fraction is 0.55? (a) 1/4 (b) 9/10 (c) 19/20 (d) 11/20
  10. 10.1/5 as a percent =
  11. 11.25% as a decimal =
  12. 12.9/10 as a percent =
  13. 13.0.2 as a percent =
  14. 14.Which fraction is 60%? (a) 3/5 (b) 9/10 (c) 3/20 (d) 3/8
  15. 15.85% as a decimal =
  16. 16.60% as a decimal =
  17. 17.0.75 as a percent =
  18. 18.15% as a decimal =
  19. 19.0.7 as a percent =
  20. 20.0.9 as a percent =
  21. 21.0.05 as a percent =
  22. 22.40% as a decimal =
  23. 23.3/8 as a percent =
  24. 24.0.3 as a percent =
  25. 25.87.5% as a decimal =
  26. 26.13/20 as a percent =
  27. 27.0.3 as a percent =
  28. 28.Which fraction is 80%? (a) 4/5 (b) 1/8 (c) 1/5 (d) 11/20
  29. 29.Which fraction is 0.9? (a) 1/2 (b) 9/20 (c) 1/10 (d) 9/10
  30. 30.Which fraction is 50%? (a) 2/5 (b) 3/20 (c) 4/5 (d) 1/2
  31. 31.7/8 as a percent =
  32. 32.0.2 as a percent =
  33. 33.25% as a decimal =
  34. 34.87.5% as a decimal =
  35. 35.Which fraction is 80%? (a) 2/5 (b) 1/8 (c) 4/5 (d) 3/4
  36. 36.0.6 as a percent =
  37. 37.Which fraction is 35%? (a) 11/20 (b) 1/4 (c) 7/20 (d) 1/5
  38. 38.65% as a decimal =
  39. 39.Which fraction is 0.25? (a) 7/20 (b) 1/4 (c) 9/10 (d) 1/5
  40. 40.10% as a decimal =

Answer key

  1. 70
  2. 1/20
  3. 37.5
  4. 9/20
  5. 13/20
  6. 0.85
  7. 87.5
  8. 0.55
  9. 11/20
  10. 20
  11. 0.25
  12. 90
  13. 20
  14. 3/5
  15. 0.85
  16. 0.6
  17. 75
  18. 0.15
  19. 70
  20. 90
  21. 5
  22. 0.4
  23. 37.5
  24. 30
  25. 0.875
  26. 65
  27. 30
  28. 4/5
  29. 9/10
  30. 1/2
  31. 87.5
  32. 20
  33. 0.25
  34. 0.875
  35. 4/5
  36. 60
  37. 7/20
  38. 0.65
  39. 1/4
  40. 0.1

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