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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 904 · 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. 2.25% as a decimal =
  3. 3.Which fraction is 0.1? (a) 5/8 (b) 3/4 (c) 2/5 (d) 1/10
  4. 4.19/20 as a percent =
  5. 5.Which fraction is 25%? (a) 1/2 (b) 1/4 (c) 13/20 (d) 3/4
  6. 6.0.8 as a percent =
  7. 7.Which fraction is 0.6? (a) 3/8 (b) 2/5 (c) 1/20 (d) 3/5
  8. 8.7/8 as a percent =
  9. 9.Which fraction is 0.3? (a) 1/4 (b) 19/20 (c) 3/10 (d) 4/5
  10. 10.0.2 as a percent =
  11. 11.0.3 as a percent =
  12. 12.5/8 as a percent =
  13. 13.12.5% as a decimal =
  14. 14.1/20 as a percent =
  15. 15.40% as a decimal =
  16. 16.0.45 as a percent =
  17. 17.Which fraction is 30%? (a) 1/10 (b) 3/10 (c) 17/20 (d) 2/5
  18. 18.12.5% as a decimal =
  19. 19.95% as a decimal =
  20. 20.0.1 as a percent =
  21. 21.13/20 as a percent =
  22. 22.0.05 as a percent =
  23. 23.Which fraction is 12.5%? (a) 9/20 (b) 3/10 (c) 1/8 (d) 7/8
  24. 24.Which fraction is 0.6? (a) 9/20 (b) 3/10 (c) 19/20 (d) 3/5
  25. 25.Which fraction is 0.45? (a) 5/8 (b) 9/20 (c) 1/10 (d) 1/2
  26. 26.25% as a decimal =
  27. 27.Which fraction is 0.125? (a) 17/20 (b) 7/8 (c) 1/8 (d) 3/4
  28. 28.9/10 as a percent =
  29. 29.35% as a decimal =
  30. 30.0.2 as a percent =
  31. 31.0.95 as a percent =
  32. 32.Which fraction is 80%? (a) 1/4 (b) 17/20 (c) 1/5 (d) 4/5
  33. 33.Which fraction is 30%? (a) 3/10 (b) 11/20 (c) 9/20 (d) 9/10
  34. 34.0.6 as a percent =
  35. 35.0.6 as a percent =
  36. 36.0.15 as a percent =
  37. 37.70% as a decimal =
  38. 38.85% as a decimal =
  39. 39.3/8 as a percent =
  40. 40.40% as a decimal =

Answer key

  1. 0.8
  2. 0.25
  3. 1/10
  4. 95
  5. 1/4
  6. 80
  7. 3/5
  8. 87.5
  9. 3/10
  10. 20
  11. 30
  12. 62.5
  13. 0.125
  14. 5
  15. 0.4
  16. 45
  17. 3/10
  18. 0.125
  19. 0.95
  20. 10
  21. 65
  22. 5
  23. 1/8
  24. 3/5
  25. 9/20
  26. 0.25
  27. 1/8
  28. 90
  29. 0.35
  30. 20
  31. 95
  32. 4/5
  33. 3/10
  34. 60
  35. 60
  36. 15
  37. 0.7
  38. 0.85
  39. 37.5
  40. 0.4

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