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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 173 · 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. 1.62.5% as a decimal =
  2. 2.1/4 as a percent =
  3. 3.62.5% as a decimal =
  4. 4.10% as a decimal =
  5. 5.Which fraction is 0.3? (a) 11/20 (b) 3/10 (c) 7/10 (d) 1/5
  6. 6.1/2 as a percent =
  7. 7.4/5 as a percent =
  8. 8.1/20 as a percent =
  9. 9.95% as a decimal =
  10. 10.17/20 as a percent =
  11. 11.2/5 as a percent =
  12. 12.0.15 as a percent =
  13. 13.0.45 as a percent =
  14. 14.0.625 as a percent =
  15. 15.0.4 as a percent =
  16. 16.0.05 as a percent =
  17. 17.Which fraction is 40%? (a) 1/4 (b) 1/10 (c) 1/2 (d) 2/5
  18. 18.Which fraction is 12.5%? (a) 3/8 (b) 1/8 (c) 3/4 (d) 7/10
  19. 19.Which fraction is 0.875? (a) 4/5 (b) 7/8 (c) 3/5 (d) 3/10
  20. 20.Which fraction is 0.5? (a) 3/4 (b) 7/10 (c) 7/8 (d) 1/2
  21. 21.Which fraction is 0.875? (a) 1/2 (b) 1/5 (c) 2/5 (d) 7/8
  22. 22.1/5 as a percent =
  23. 23.37.5% as a decimal =
  24. 24.Which fraction is 70%? (a) 3/10 (b) 19/20 (c) 9/20 (d) 7/10
  25. 25.90% as a decimal =
  26. 26.3/8 as a percent =
  27. 27.87.5% as a decimal =
  28. 28.1/5 as a percent =
  29. 29.Which fraction is 25%? (a) 13/20 (b) 3/4 (c) 1/5 (d) 1/4
  30. 30.0.45 as a percent =
  31. 31.70% as a decimal =
  32. 32.Which fraction is 0.75? (a) 7/20 (b) 1/8 (c) 5/8 (d) 3/4
  33. 33.Which fraction is 40%? (a) 2/5 (b) 19/20 (c) 4/5 (d) 13/20
  34. 34.Which fraction is 30%? (a) 9/20 (b) 3/10 (c) 4/5 (d) 13/20
  35. 35.2/5 as a percent =
  36. 36.40% as a decimal =
  37. 37.65% as a decimal =
  38. 38.5% as a decimal =
  39. 39.65% as a decimal =
  40. 40.55% as a decimal =

Answer key

  1. 0.625
  2. 25
  3. 0.625
  4. 0.1
  5. 3/10
  6. 50
  7. 80
  8. 5
  9. 0.95
  10. 85
  11. 40
  12. 15
  13. 45
  14. 62.5
  15. 40
  16. 5
  17. 2/5
  18. 1/8
  19. 7/8
  20. 1/2
  21. 7/8
  22. 20
  23. 0.375
  24. 7/10
  25. 0.9
  26. 37.5
  27. 0.875
  28. 20
  29. 1/4
  30. 45
  31. 0.7
  32. 3/4
  33. 2/5
  34. 3/10
  35. 40
  36. 0.4
  37. 0.65
  38. 0.05
  39. 0.65
  40. 0.55

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