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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 474 · 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 70%? (a) 19/20 (b) 1/20 (c) 1/2 (d) 7/10
  2. 2.20% as a decimal =
  3. 3.Which fraction is 12.5%? (a) 3/8 (b) 1/8 (c) 19/20 (d) 4/5
  4. 4.0.65 as a percent =
  5. 5.30% as a decimal =
  6. 6.3/8 as a percent =
  7. 7.65% as a decimal =
  8. 8.0.8 as a percent =
  9. 9.40% as a decimal =
  10. 10.7/10 as a percent =
  11. 11.85% as a decimal =
  12. 12.0.6 as a percent =
  13. 13.0.25 as a percent =
  14. 14.0.4 as a percent =
  15. 15.0.375 as a percent =
  16. 16.37.5% as a decimal =
  17. 17.80% as a decimal =
  18. 18.7/10 as a percent =
  19. 19.87.5% as a decimal =
  20. 20.87.5% as a decimal =
  21. 21.45% as a decimal =
  22. 22.0.05 as a percent =
  23. 23.70% as a decimal =
  24. 24.0.6 as a percent =
  25. 25.37.5% as a decimal =
  26. 26.7/10 as a percent =
  27. 27.13/20 as a percent =
  28. 28.Which fraction is 0.85? (a) 1/2 (b) 9/10 (c) 1/8 (d) 17/20
  29. 29.45% as a decimal =
  30. 30.0.6 as a percent =
  31. 31.1/2 as a percent =
  32. 32.60% as a decimal =
  33. 33.Which fraction is 37.5%? (a) 1/4 (b) 3/8 (c) 5/8 (d) 9/10
  34. 34.Which fraction is 0.4? (a) 9/10 (b) 2/5 (c) 3/20 (d) 3/10
  35. 35.0.5 as a percent =
  36. 36.60% as a decimal =
  37. 37.0.45 as a percent =
  38. 38.70% as a decimal =
  39. 39.Which fraction is 0.5? (a) 3/8 (b) 3/20 (c) 2/5 (d) 1/2
  40. 40.0.375 as a percent =

Answer key

  1. 7/10
  2. 0.2
  3. 1/8
  4. 65
  5. 0.3
  6. 37.5
  7. 0.65
  8. 80
  9. 0.4
  10. 70
  11. 0.85
  12. 60
  13. 25
  14. 40
  15. 37.5
  16. 0.375
  17. 0.8
  18. 70
  19. 0.875
  20. 0.875
  21. 0.45
  22. 5
  23. 0.7
  24. 60
  25. 0.375
  26. 70
  27. 65
  28. 17/20
  29. 0.45
  30. 60
  31. 50
  32. 0.6
  33. 3/8
  34. 2/5
  35. 50
  36. 0.6
  37. 45
  38. 0.7
  39. 1/2
  40. 37.5

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