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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 203 · 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. 1.0.5 as a percent =
  2. 2.2/5 as a percent =
  3. 3.1/2 as a percent =
  4. 4.70% as a decimal =
  5. 5.0.3 as a percent =
  6. 6.0.875 as a percent =
  7. 7.0.125 as a percent =
  8. 8.15% as a decimal =
  9. 9.Which fraction is 12.5%? (a) 1/8 (b) 7/8 (c) 13/20 (d) 1/5
  10. 10.75% as a decimal =
  11. 11.Which fraction is 0.4? (a) 2/5 (b) 1/4 (c) 3/4 (d) 17/20
  12. 12.0.5 as a percent =
  13. 13.Which fraction is 10%? (a) 1/2 (b) 1/10 (c) 5/8 (d) 9/20
  14. 14.9/10 as a percent =
  15. 15.Which fraction is 0.9? (a) 2/5 (b) 7/8 (c) 5/8 (d) 9/10
  16. 16.Which fraction is 0.7? (a) 7/10 (b) 1/2 (c) 1/5 (d) 17/20
  17. 17.0.75 as a percent =
  18. 18.3/8 as a percent =
  19. 19.9/20 as a percent =
  20. 20.95% as a decimal =
  21. 21.0.5 as a percent =
  22. 22.Which fraction is 90%? (a) 2/5 (b) 17/20 (c) 3/5 (d) 9/10
  23. 23.Which fraction is 55%? (a) 2/5 (b) 11/20 (c) 9/10 (d) 3/10
  24. 24.0.05 as a percent =
  25. 25.Which fraction is 20%? (a) 1/5 (b) 3/20 (c) 1/2 (d) 1/4
  26. 26.20% as a decimal =
  27. 27.5/8 as a percent =
  28. 28.2/5 as a percent =
  29. 29.25% as a decimal =
  30. 30.0.1 as a percent =
  31. 31.13/20 as a percent =
  32. 32.9/10 as a percent =
  33. 33.Which fraction is 5%? (a) 7/8 (b) 19/20 (c) 5/8 (d) 1/20
  34. 34.0.4 as a percent =
  35. 35.0.15 as a percent =
  36. 36.80% as a decimal =
  37. 37.13/20 as a percent =
  38. 38.Which fraction is 10%? (a) 7/8 (b) 1/20 (c) 2/5 (d) 1/10
  39. 39.7/10 as a percent =
  40. 40.50% as a decimal =

Answer key

  1. 50
  2. 40
  3. 50
  4. 0.7
  5. 30
  6. 87.5
  7. 12.5
  8. 0.15
  9. 1/8
  10. 0.75
  11. 2/5
  12. 50
  13. 1/10
  14. 90
  15. 9/10
  16. 7/10
  17. 75
  18. 37.5
  19. 45
  20. 0.95
  21. 50
  22. 9/10
  23. 11/20
  24. 5
  25. 1/5
  26. 0.2
  27. 62.5
  28. 40
  29. 0.25
  30. 10
  31. 65
  32. 90
  33. 1/20
  34. 40
  35. 15
  36. 0.8
  37. 65
  38. 1/10
  39. 70
  40. 0.5

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