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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 50 · 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. 1.7/8 as a percent =
  2. 2.Which fraction is 50%? (a) 9/20 (b) 3/5 (c) 1/2 (d) 9/10
  3. 3.Which fraction is 0.8? (a) 3/4 (b) 11/20 (c) 1/20 (d) 4/5
  4. 4.40% as a decimal =
  5. 5.3/5 as a percent =
  6. 6.0.1 as a percent =
  7. 7.3/8 as a percent =
  8. 8.0.4 as a percent =
  9. 9.12.5% as a decimal =
  10. 10.0.4 as a percent =
  11. 11.Which fraction is 5%? (a) 1/5 (b) 3/4 (c) 1/20 (d) 3/20
  12. 12.0.875 as a percent =
  13. 13.0.45 as a percent =
  14. 14.70% as a decimal =
  15. 15.70% as a decimal =
  16. 16.Which fraction is 12.5%? (a) 1/8 (b) 17/20 (c) 1/2 (d) 3/4
  17. 17.Which fraction is 0.4? (a) 17/20 (b) 7/8 (c) 2/5 (d) 4/5
  18. 18.80% as a decimal =
  19. 19.0.4 as a percent =
  20. 20.4/5 as a percent =
  21. 21.3/20 as a percent =
  22. 22.25% as a decimal =
  23. 23.25% as a decimal =
  24. 24.3/20 as a percent =
  25. 25.90% as a decimal =
  26. 26.4/5 as a percent =
  27. 27.3/8 as a percent =
  28. 28.2/5 as a percent =
  29. 29.1/8 as a percent =
  30. 30.Which fraction is 95%? (a) 3/8 (b) 3/4 (c) 19/20 (d) 7/10
  31. 31.0.625 as a percent =
  32. 32.1/10 as a percent =
  33. 33.40% as a decimal =
  34. 34.9/20 as a percent =
  35. 35.Which fraction is 80%? (a) 1/2 (b) 7/20 (c) 1/5 (d) 4/5
  36. 36.0.875 as a percent =
  37. 37.Which fraction is 50%? (a) 9/10 (b) 1/2 (c) 3/4 (d) 19/20
  38. 38.Which fraction is 30%? (a) 3/5 (b) 11/20 (c) 9/10 (d) 3/10
  39. 39.0.125 as a percent =
  40. 40.11/20 as a percent =

Answer key

  1. 87.5
  2. 1/2
  3. 4/5
  4. 0.4
  5. 60
  6. 10
  7. 37.5
  8. 40
  9. 0.125
  10. 40
  11. 1/20
  12. 87.5
  13. 45
  14. 0.7
  15. 0.7
  16. 1/8
  17. 2/5
  18. 0.8
  19. 40
  20. 80
  21. 15
  22. 0.25
  23. 0.25
  24. 15
  25. 0.9
  26. 80
  27. 37.5
  28. 40
  29. 12.5
  30. 19/20
  31. 62.5
  32. 10
  33. 0.4
  34. 45
  35. 4/5
  36. 87.5
  37. 1/2
  38. 3/10
  39. 12.5
  40. 55

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