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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 113 · 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. 1.70% as a decimal =
  2. 2.3/20 as a percent =
  3. 3.0.65 as a percent =
  4. 4.0.125 as a percent =
  5. 5.3/8 as a percent =
  6. 6.0.65 as a percent =
  7. 7.0.7 as a percent =
  8. 8.0.8 as a percent =
  9. 9.25% as a decimal =
  10. 10.3/20 as a percent =
  11. 11.0.25 as a percent =
  12. 12.Which fraction is 25%? (a) 3/20 (b) 3/4 (c) 1/10 (d) 1/4
  13. 13.Which fraction is 95%? (a) 3/4 (b) 1/5 (c) 1/2 (d) 19/20
  14. 14.Which fraction is 80%? (a) 9/20 (b) 1/4 (c) 4/5 (d) 13/20
  15. 15.65% as a decimal =
  16. 16.0.05 as a percent =
  17. 17.3/5 as a percent =
  18. 18.70% as a decimal =
  19. 19.62.5% as a decimal =
  20. 20.Which fraction is 0.4? (a) 3/4 (b) 9/20 (c) 7/20 (d) 2/5
  21. 21.55% as a decimal =
  22. 22.55% as a decimal =
  23. 23.3/8 as a percent =
  24. 24.Which fraction is 25%? (a) 2/5 (b) 1/10 (c) 3/10 (d) 1/4
  25. 25.3/8 as a percent =
  26. 26.0.65 as a percent =
  27. 27.0.3 as a percent =
  28. 28.0.1 as a percent =
  29. 29.0.3 as a percent =
  30. 30.1/4 as a percent =
  31. 31.0.1 as a percent =
  32. 32.5% as a decimal =
  33. 33.7/20 as a percent =
  34. 34.Which fraction is 25%? (a) 3/20 (b) 1/4 (c) 1/10 (d) 3/8
  35. 35.Which fraction is 0.625? (a) 2/5 (b) 5/8 (c) 9/10 (d) 13/20
  36. 36.10% as a decimal =
  37. 37.3/20 as a percent =
  38. 38.1/2 as a percent =
  39. 39.Which fraction is 0.85? (a) 1/4 (b) 3/4 (c) 17/20 (d) 4/5
  40. 40.0.5 as a percent =

Answer key

  1. 0.7
  2. 15
  3. 65
  4. 12.5
  5. 37.5
  6. 65
  7. 70
  8. 80
  9. 0.25
  10. 15
  11. 25
  12. 1/4
  13. 19/20
  14. 4/5
  15. 0.65
  16. 5
  17. 60
  18. 0.7
  19. 0.625
  20. 2/5
  21. 0.55
  22. 0.55
  23. 37.5
  24. 1/4
  25. 37.5
  26. 65
  27. 30
  28. 10
  29. 30
  30. 25
  31. 10
  32. 0.05
  33. 35
  34. 1/4
  35. 5/8
  36. 0.1
  37. 15
  38. 50
  39. 17/20
  40. 50

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