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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 893 · 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.Which fraction is 0.5? (a) 1/2 (b) 2/5 (c) 17/20 (d) 3/8
  2. 2.Which fraction is 0.1? (a) 2/5 (b) 13/20 (c) 1/5 (d) 1/10
  3. 3.90% as a decimal =
  4. 4.9/20 as a percent =
  5. 5.0.1 as a percent =
  6. 6.62.5% as a decimal =
  7. 7.0.6 as a percent =
  8. 8.0.25 as a percent =
  9. 9.80% as a decimal =
  10. 10.50% as a decimal =
  11. 11.0.85 as a percent =
  12. 12.35% as a decimal =
  13. 13.9/20 as a percent =
  14. 14.0.35 as a percent =
  15. 15.Which fraction is 10%? (a) 3/20 (b) 1/10 (c) 1/4 (d) 1/2
  16. 16.10% as a decimal =
  17. 17.7/10 as a percent =
  18. 18.55% as a decimal =
  19. 19.0.25 as a percent =
  20. 20.3/4 as a percent =
  21. 21.0.125 as a percent =
  22. 22.Which fraction is 60%? (a) 17/20 (b) 7/20 (c) 1/4 (d) 3/5
  23. 23.Which fraction is 0.8? (a) 3/8 (b) 4/5 (c) 19/20 (d) 9/20
  24. 24.3/5 as a percent =
  25. 25.0.75 as a percent =
  26. 26.12.5% as a decimal =
  27. 27.4/5 as a percent =
  28. 28.7/8 as a percent =
  29. 29.0.2 as a percent =
  30. 30.0.875 as a percent =
  31. 31.7/20 as a percent =
  32. 32.0.375 as a percent =
  33. 33.17/20 as a percent =
  34. 34.Which fraction is 90%? (a) 19/20 (b) 5/8 (c) 9/10 (d) 1/2
  35. 35.37.5% as a decimal =
  36. 36.50% as a decimal =
  37. 37.87.5% as a decimal =
  38. 38.1/20 as a percent =
  39. 39.17/20 as a percent =
  40. 40.3/8 as a percent =

Answer key

  1. 1/2
  2. 1/10
  3. 0.9
  4. 45
  5. 10
  6. 0.625
  7. 60
  8. 25
  9. 0.8
  10. 0.5
  11. 85
  12. 0.35
  13. 45
  14. 35
  15. 1/10
  16. 0.1
  17. 70
  18. 0.55
  19. 25
  20. 75
  21. 12.5
  22. 3/5
  23. 4/5
  24. 60
  25. 75
  26. 0.125
  27. 80
  28. 87.5
  29. 20
  30. 87.5
  31. 35
  32. 37.5
  33. 85
  34. 9/10
  35. 0.375
  36. 0.5
  37. 0.875
  38. 5
  39. 85
  40. 37.5

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