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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 863 · 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. 1.0.35 as a percent =
  2. 2.3/4 as a percent =
  3. 3.3/4 as a percent =
  4. 4.Which fraction is 0.4? (a) 5/8 (b) 3/10 (c) 2/5 (d) 11/20
  5. 5.10% as a decimal =
  6. 6.3/20 as a percent =
  7. 7.30% as a decimal =
  8. 8.45% as a decimal =
  9. 9.Which fraction is 12.5%? (a) 1/8 (b) 1/5 (c) 1/2 (d) 3/4
  10. 10.0.7 as a percent =
  11. 11.5/8 as a percent =
  12. 12.0.05 as a percent =
  13. 13.7/10 as a percent =
  14. 14.Which fraction is 0.35? (a) 19/20 (b) 7/20 (c) 5/8 (d) 3/4
  15. 15.4/5 as a percent =
  16. 16.1/8 as a percent =
  17. 17.0.125 as a percent =
  18. 18.Which fraction is 0.55? (a) 1/4 (b) 1/5 (c) 4/5 (d) 11/20
  19. 19.0.1 as a percent =
  20. 20.0.125 as a percent =
  21. 21.3/20 as a percent =
  22. 22.0.25 as a percent =
  23. 23.Which fraction is 65%? (a) 7/8 (b) 1/4 (c) 13/20 (d) 1/10
  24. 24.Which fraction is 20%? (a) 7/10 (b) 3/20 (c) 2/5 (d) 1/5
  25. 25.0.45 as a percent =
  26. 26.5/8 as a percent =
  27. 27.0.8 as a percent =
  28. 28.Which fraction is 70%? (a) 4/5 (b) 3/8 (c) 5/8 (d) 7/10
  29. 29.0.1 as a percent =
  30. 30.0.625 as a percent =
  31. 31.0.25 as a percent =
  32. 32.Which fraction is 0.55? (a) 17/20 (b) 3/5 (c) 2/5 (d) 11/20
  33. 33.75% as a decimal =
  34. 34.1/4 as a percent =
  35. 35.3/5 as a percent =
  36. 36.11/20 as a percent =
  37. 37.5% as a decimal =
  38. 38.10% as a decimal =
  39. 39.0.25 as a percent =
  40. 40.5/8 as a percent =

Answer key

  1. 35
  2. 75
  3. 75
  4. 2/5
  5. 0.1
  6. 15
  7. 0.3
  8. 0.45
  9. 1/8
  10. 70
  11. 62.5
  12. 5
  13. 70
  14. 7/20
  15. 80
  16. 12.5
  17. 12.5
  18. 11/20
  19. 10
  20. 12.5
  21. 15
  22. 25
  23. 13/20
  24. 1/5
  25. 45
  26. 62.5
  27. 80
  28. 7/10
  29. 10
  30. 62.5
  31. 25
  32. 11/20
  33. 0.75
  34. 25
  35. 60
  36. 55
  37. 0.05
  38. 0.1
  39. 25
  40. 62.5

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