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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 124 · 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.Which fraction is 45%? (a) 1/8 (b) 9/20 (c) 7/20 (d) 3/10
  2. 2.Which fraction is 0.6? (a) 1/10 (b) 1/4 (c) 3/5 (d) 3/4
  3. 3.Which fraction is 0.6? (a) 7/20 (b) 3/5 (c) 7/8 (d) 9/20
  4. 4.1/2 as a percent =
  5. 5.3/20 as a percent =
  6. 6.1/10 as a percent =
  7. 7.0.35 as a percent =
  8. 8.3/20 as a percent =
  9. 9.0.4 as a percent =
  10. 10.30% as a decimal =
  11. 11.Which fraction is 0.75? (a) 9/10 (b) 3/20 (c) 3/4 (d) 3/5
  12. 12.17/20 as a percent =
  13. 13.0.9 as a percent =
  14. 14.Which fraction is 70%? (a) 17/20 (b) 7/8 (c) 7/10 (d) 7/20
  15. 15.9/20 as a percent =
  16. 16.Which fraction is 35%? (a) 1/8 (b) 11/20 (c) 7/20 (d) 9/20
  17. 17.2/5 as a percent =
  18. 18.7/20 as a percent =
  19. 19.17/20 as a percent =
  20. 20.17/20 as a percent =
  21. 21.Which fraction is 87.5%? (a) 3/5 (b) 5/8 (c) 7/10 (d) 7/8
  22. 22.1/2 as a percent =
  23. 23.1/20 as a percent =
  24. 24.0.95 as a percent =
  25. 25.Which fraction is 0.4? (a) 19/20 (b) 2/5 (c) 13/20 (d) 4/5
  26. 26.Which fraction is 30%? (a) 7/8 (b) 1/2 (c) 3/10 (d) 1/5
  27. 27.19/20 as a percent =
  28. 28.0.25 as a percent =
  29. 29.Which fraction is 37.5%? (a) 1/2 (b) 2/5 (c) 3/10 (d) 3/8
  30. 30.0.375 as a percent =
  31. 31.0.65 as a percent =
  32. 32.1/20 as a percent =
  33. 33.Which fraction is 25%? (a) 1/5 (b) 1/4 (c) 1/20 (d) 13/20
  34. 34.0.25 as a percent =
  35. 35.70% as a decimal =
  36. 36.0.375 as a percent =
  37. 37.11/20 as a percent =
  38. 38.0.25 as a percent =
  39. 39.0.5 as a percent =
  40. 40.0.35 as a percent =

Answer key

  1. 9/20
  2. 3/5
  3. 3/5
  4. 50
  5. 15
  6. 10
  7. 35
  8. 15
  9. 40
  10. 0.3
  11. 3/4
  12. 85
  13. 90
  14. 7/10
  15. 45
  16. 7/20
  17. 40
  18. 35
  19. 85
  20. 85
  21. 7/8
  22. 50
  23. 5
  24. 95
  25. 2/5
  26. 3/10
  27. 95
  28. 25
  29. 3/8
  30. 37.5
  31. 65
  32. 5
  33. 1/4
  34. 25
  35. 0.7
  36. 37.5
  37. 55
  38. 25
  39. 50
  40. 35

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