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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 483 · 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. 1.80% as a decimal =
  2. 2.Which fraction is 0.875? (a) 9/20 (b) 19/20 (c) 1/2 (d) 7/8
  3. 3.0.8 as a percent =
  4. 4.0.4 as a percent =
  5. 5.45% as a decimal =
  6. 6.55% as a decimal =
  7. 7.Which fraction is 10%? (a) 7/10 (b) 1/10 (c) 11/20 (d) 1/20
  8. 8.0.375 as a percent =
  9. 9.9/20 as a percent =
  10. 10.3/5 as a percent =
  11. 11.Which fraction is 10%? (a) 9/20 (b) 11/20 (c) 1/10 (d) 1/2
  12. 12.50% as a decimal =
  13. 13.0.1 as a percent =
  14. 14.11/20 as a percent =
  15. 15.60% as a decimal =
  16. 16.3/8 as a percent =
  17. 17.1/5 as a percent =
  18. 18.0.85 as a percent =
  19. 19.Which fraction is 0.25? (a) 3/20 (b) 3/4 (c) 1/4 (d) 2/5
  20. 20.0.125 as a percent =
  21. 21.Which fraction is 0.05? (a) 17/20 (b) 7/8 (c) 19/20 (d) 1/20
  22. 22.9/10 as a percent =
  23. 23.0.45 as a percent =
  24. 24.Which fraction is 30%? (a) 3/10 (b) 3/4 (c) 11/20 (d) 3/8
  25. 25.Which fraction is 80%? (a) 1/5 (b) 1/4 (c) 4/5 (d) 3/10
  26. 26.Which fraction is 80%? (a) 4/5 (b) 3/8 (c) 7/10 (d) 1/4
  27. 27.10% as a decimal =
  28. 28.11/20 as a percent =
  29. 29.17/20 as a percent =
  30. 30.Which fraction is 0.8? (a) 1/8 (b) 19/20 (c) 4/5 (d) 11/20
  31. 31.0.125 as a percent =
  32. 32.3/4 as a percent =
  33. 33.Which fraction is 37.5%? (a) 9/20 (b) 3/8 (c) 1/20 (d) 1/4
  34. 34.0.625 as a percent =
  35. 35.9/10 as a percent =
  36. 36.0.65 as a percent =
  37. 37.37.5% as a decimal =
  38. 38.3/5 as a percent =
  39. 39.9/20 as a percent =
  40. 40.0.55 as a percent =

Answer key

  1. 0.8
  2. 7/8
  3. 80
  4. 40
  5. 0.45
  6. 0.55
  7. 1/10
  8. 37.5
  9. 45
  10. 60
  11. 1/10
  12. 0.5
  13. 10
  14. 55
  15. 0.6
  16. 37.5
  17. 20
  18. 85
  19. 1/4
  20. 12.5
  21. 1/20
  22. 90
  23. 45
  24. 3/10
  25. 4/5
  26. 4/5
  27. 0.1
  28. 55
  29. 85
  30. 4/5
  31. 12.5
  32. 75
  33. 3/8
  34. 62.5
  35. 90
  36. 65
  37. 0.375
  38. 60
  39. 45
  40. 55

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