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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 473 · 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. 1.85% as a decimal =
  2. 2.Which fraction is 10%? (a) 1/4 (b) 1/10 (c) 19/20 (d) 3/5
  3. 3.Which fraction is 45%? (a) 7/10 (b) 3/4 (c) 4/5 (d) 9/20
  4. 4.2/5 as a percent =
  5. 5.25% as a decimal =
  6. 6.0.6 as a percent =
  7. 7.Which fraction is 0.875? (a) 1/5 (b) 7/8 (c) 3/10 (d) 1/2
  8. 8.Which fraction is 87.5%? (a) 3/4 (b) 7/8 (c) 9/10 (d) 3/5
  9. 9.0.25 as a percent =
  10. 10.Which fraction is 0.1? (a) 11/20 (b) 1/10 (c) 3/5 (d) 2/5
  11. 11.Which fraction is 0.4? (a) 7/10 (b) 5/8 (c) 17/20 (d) 2/5
  12. 12.Which fraction is 37.5%? (a) 13/20 (b) 1/2 (c) 4/5 (d) 3/8
  13. 13.1/8 as a percent =
  14. 14.50% as a decimal =
  15. 15.3/10 as a percent =
  16. 16.Which fraction is 0.4? (a) 3/8 (b) 19/20 (c) 2/5 (d) 9/20
  17. 17.0.7 as a percent =
  18. 18.1/4 as a percent =
  19. 19.Which fraction is 0.7? (a) 7/10 (b) 19/20 (c) 1/10 (d) 3/5
  20. 20.0.15 as a percent =
  21. 21.5% as a decimal =
  22. 22.0.7 as a percent =
  23. 23.35% as a decimal =
  24. 24.Which fraction is 0.9? (a) 4/5 (b) 17/20 (c) 9/10 (d) 1/4
  25. 25.0.45 as a percent =
  26. 26.0.1 as a percent =
  27. 27.17/20 as a percent =
  28. 28.3/4 as a percent =
  29. 29.2/5 as a percent =
  30. 30.1/10 as a percent =
  31. 31.7/10 as a percent =
  32. 32.60% as a decimal =
  33. 33.20% as a decimal =
  34. 34.1/20 as a percent =
  35. 35.3/10 as a percent =
  36. 36.Which fraction is 0.6? (a) 3/20 (b) 11/20 (c) 1/8 (d) 3/5
  37. 37.0.15 as a percent =
  38. 38.Which fraction is 0.05? (a) 17/20 (b) 1/20 (c) 3/4 (d) 3/5
  39. 39.1/10 as a percent =
  40. 40.0.375 as a percent =

Answer key

  1. 0.85
  2. 1/10
  3. 9/20
  4. 40
  5. 0.25
  6. 60
  7. 7/8
  8. 7/8
  9. 25
  10. 1/10
  11. 2/5
  12. 3/8
  13. 12.5
  14. 0.5
  15. 30
  16. 2/5
  17. 70
  18. 25
  19. 7/10
  20. 15
  21. 0.05
  22. 70
  23. 0.35
  24. 9/10
  25. 45
  26. 10
  27. 85
  28. 75
  29. 40
  30. 10
  31. 70
  32. 0.6
  33. 0.2
  34. 5
  35. 30
  36. 3/5
  37. 15
  38. 1/20
  39. 10
  40. 37.5

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