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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 715 · 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. 1.2/5 as a percent =
  2. 2.0.75 as a percent =
  3. 3.Which fraction is 80%? (a) 17/20 (b) 9/20 (c) 3/8 (d) 4/5
  4. 4.0.25 as a percent =
  5. 5.0.125 as a percent =
  6. 6.0.875 as a percent =
  7. 7.1/20 as a percent =
  8. 8.0.6 as a percent =
  9. 9.0.35 as a percent =
  10. 10.7/8 as a percent =
  11. 11.0.125 as a percent =
  12. 12.0.4 as a percent =
  13. 13.80% as a decimal =
  14. 14.0.6 as a percent =
  15. 15.0.45 as a percent =
  16. 16.0.8 as a percent =
  17. 17.40% as a decimal =
  18. 18.Which fraction is 0.7? (a) 3/4 (b) 2/5 (c) 13/20 (d) 7/10
  19. 19.Which fraction is 70%? (a) 7/20 (b) 9/10 (c) 7/10 (d) 2/5
  20. 20.0.125 as a percent =
  21. 21.5% as a decimal =
  22. 22.45% as a decimal =
  23. 23.0.8 as a percent =
  24. 24.19/20 as a percent =
  25. 25.7/8 as a percent =
  26. 26.1/8 as a percent =
  27. 27.Which fraction is 0.9? (a) 9/10 (b) 1/20 (c) 3/4 (d) 3/5
  28. 28.0.05 as a percent =
  29. 29.Which fraction is 80%? (a) 9/10 (b) 7/10 (c) 4/5 (d) 1/4
  30. 30.19/20 as a percent =
  31. 31.Which fraction is 30%? (a) 5/8 (b) 1/8 (c) 3/10 (d) 1/2
  32. 32.50% as a decimal =
  33. 33.Which fraction is 0.75? (a) 2/5 (b) 3/4 (c) 19/20 (d) 1/2
  34. 34.Which fraction is 10%? (a) 5/8 (b) 1/20 (c) 1/10 (d) 1/8
  35. 35.11/20 as a percent =
  36. 36.1/2 as a percent =
  37. 37.0.15 as a percent =
  38. 38.Which fraction is 0.05? (a) 1/20 (b) 1/10 (c) 1/8 (d) 1/4
  39. 39.55% as a decimal =
  40. 40.7/10 as a percent =

Answer key

  1. 40
  2. 75
  3. 4/5
  4. 25
  5. 12.5
  6. 87.5
  7. 5
  8. 60
  9. 35
  10. 87.5
  11. 12.5
  12. 40
  13. 0.8
  14. 60
  15. 45
  16. 80
  17. 0.4
  18. 7/10
  19. 7/10
  20. 12.5
  21. 0.05
  22. 0.45
  23. 80
  24. 95
  25. 87.5
  26. 12.5
  27. 9/10
  28. 5
  29. 4/5
  30. 95
  31. 3/10
  32. 0.5
  33. 3/4
  34. 1/10
  35. 55
  36. 50
  37. 15
  38. 1/20
  39. 0.55
  40. 70

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