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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 67 · 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. 1.7/20 as a percent =
  2. 2.0.85 as a percent =
  3. 3.Which fraction is 80%? (a) 3/5 (b) 4/5 (c) 1/20 (d) 17/20
  4. 4.1/20 as a percent =
  5. 5.0.45 as a percent =
  6. 6.1/2 as a percent =
  7. 7.85% as a decimal =
  8. 8.1/4 as a percent =
  9. 9.Which fraction is 0.7? (a) 7/20 (b) 3/10 (c) 11/20 (d) 7/10
  10. 10.37.5% as a decimal =
  11. 11.3/10 as a percent =
  12. 12.0.125 as a percent =
  13. 13.0.85 as a percent =
  14. 14.7/20 as a percent =
  15. 15.2/5 as a percent =
  16. 16.5/8 as a percent =
  17. 17.87.5% as a decimal =
  18. 18.0.25 as a percent =
  19. 19.Which fraction is 0.15? (a) 3/20 (b) 1/20 (c) 9/20 (d) 3/10
  20. 20.25% as a decimal =
  21. 21.10% as a decimal =
  22. 22.0.05 as a percent =
  23. 23.2/5 as a percent =
  24. 24.Which fraction is 37.5%? (a) 3/8 (b) 5/8 (c) 9/10 (d) 3/5
  25. 25.65% as a decimal =
  26. 26.85% as a decimal =
  27. 27.0.6 as a percent =
  28. 28.Which fraction is 65%? (a) 3/20 (b) 13/20 (c) 5/8 (d) 3/10
  29. 29.5/8 as a percent =
  30. 30.3/4 as a percent =
  31. 31.0.6 as a percent =
  32. 32.0.625 as a percent =
  33. 33.20% as a decimal =
  34. 34.55% as a decimal =
  35. 35.1/4 as a percent =
  36. 36.5% as a decimal =
  37. 37.7/8 as a percent =
  38. 38.1/10 as a percent =
  39. 39.70% as a decimal =
  40. 40.15% as a decimal =

Answer key

  1. 35
  2. 85
  3. 4/5
  4. 5
  5. 45
  6. 50
  7. 0.85
  8. 25
  9. 7/10
  10. 0.375
  11. 30
  12. 12.5
  13. 85
  14. 35
  15. 40
  16. 62.5
  17. 0.875
  18. 25
  19. 3/20
  20. 0.25
  21. 0.1
  22. 5
  23. 40
  24. 3/8
  25. 0.65
  26. 0.85
  27. 60
  28. 13/20
  29. 62.5
  30. 75
  31. 60
  32. 62.5
  33. 0.2
  34. 0.55
  35. 25
  36. 0.05
  37. 87.5
  38. 10
  39. 0.7
  40. 0.15

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