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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 709 · 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. 1.5/8 as a percent =
  2. 2.10% as a decimal =
  3. 3.9/20 as a percent =
  4. 4.37.5% as a decimal =
  5. 5.3/4 as a percent =
  6. 6.3/5 as a percent =
  7. 7.1/4 as a percent =
  8. 8.13/20 as a percent =
  9. 9.Which fraction is 30%? (a) 19/20 (b) 3/10 (c) 3/20 (d) 7/10
  10. 10.3/20 as a percent =
  11. 11.Which fraction is 40%? (a) 1/20 (b) 3/4 (c) 2/5 (d) 1/10
  12. 12.0.05 as a percent =
  13. 13.13/20 as a percent =
  14. 14.50% as a decimal =
  15. 15.Which fraction is 90%? (a) 1/10 (b) 13/20 (c) 9/10 (d) 5/8
  16. 16.9/20 as a percent =
  17. 17.19/20 as a percent =
  18. 18.0.4 as a percent =
  19. 19.0.3 as a percent =
  20. 20.3/20 as a percent =
  21. 21.35% as a decimal =
  22. 22.4/5 as a percent =
  23. 23.3/5 as a percent =
  24. 24.Which fraction is 15%? (a) 3/20 (b) 1/20 (c) 5/8 (d) 7/8
  25. 25.0.875 as a percent =
  26. 26.0.625 as a percent =
  27. 27.0.375 as a percent =
  28. 28.0.9 as a percent =
  29. 29.17/20 as a percent =
  30. 30.1/10 as a percent =
  31. 31.62.5% as a decimal =
  32. 32.0.125 as a percent =
  33. 33.Which fraction is 0.4? (a) 1/20 (b) 4/5 (c) 2/5 (d) 3/20
  34. 34.0.5 as a percent =
  35. 35.Which fraction is 0.625? (a) 9/10 (b) 7/20 (c) 5/8 (d) 3/5
  36. 36.87.5% as a decimal =
  37. 37.1/4 as a percent =
  38. 38.90% as a decimal =
  39. 39.1/4 as a percent =
  40. 40.2/5 as a percent =

Answer key

  1. 62.5
  2. 0.1
  3. 45
  4. 0.375
  5. 75
  6. 60
  7. 25
  8. 65
  9. 3/10
  10. 15
  11. 2/5
  12. 5
  13. 65
  14. 0.5
  15. 9/10
  16. 45
  17. 95
  18. 40
  19. 30
  20. 15
  21. 0.35
  22. 80
  23. 60
  24. 3/20
  25. 87.5
  26. 62.5
  27. 37.5
  28. 90
  29. 85
  30. 10
  31. 0.625
  32. 12.5
  33. 2/5
  34. 50
  35. 5/8
  36. 0.875
  37. 25
  38. 0.9
  39. 25
  40. 40

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