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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 774 · 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 62.5%? (a) 7/10 (b) 2/5 (c) 19/20 (d) 5/8
  2. 2.0.6 as a percent =
  3. 3.4/5 as a percent =
  4. 4.Which fraction is 0.5? (a) 1/2 (b) 3/4 (c) 11/20 (d) 7/20
  5. 5.25% as a decimal =
  6. 6.0.6 as a percent =
  7. 7.0.8 as a percent =
  8. 8.0.15 as a percent =
  9. 9.30% as a decimal =
  10. 10.0.2 as a percent =
  11. 11.60% as a decimal =
  12. 12.3/5 as a percent =
  13. 13.60% as a decimal =
  14. 14.2/5 as a percent =
  15. 15.15% as a decimal =
  16. 16.40% as a decimal =
  17. 17.11/20 as a percent =
  18. 18.0.875 as a percent =
  19. 19.Which fraction is 0.8? (a) 7/20 (b) 3/5 (c) 1/10 (d) 4/5
  20. 20.7/20 as a percent =
  21. 21.70% as a decimal =
  22. 22.1/4 as a percent =
  23. 23.0.625 as a percent =
  24. 24.1/10 as a percent =
  25. 25.1/20 as a percent =
  26. 26.Which fraction is 90%? (a) 9/10 (b) 2/5 (c) 4/5 (d) 3/5
  27. 27.Which fraction is 0.9? (a) 1/2 (b) 5/8 (c) 9/10 (d) 17/20
  28. 28.Which fraction is 0.4? (a) 2/5 (b) 1/8 (c) 1/5 (d) 3/4
  29. 29.Which fraction is 0.35? (a) 1/5 (b) 13/20 (c) 7/20 (d) 3/10
  30. 30.0.55 as a percent =
  31. 31.0.8 as a percent =
  32. 32.20% as a decimal =
  33. 33.Which fraction is 10%? (a) 1/2 (b) 3/4 (c) 9/10 (d) 1/10
  34. 34.0.25 as a percent =
  35. 35.Which fraction is 35%? (a) 3/5 (b) 7/20 (c) 1/20 (d) 5/8
  36. 36.0.1 as a percent =
  37. 37.4/5 as a percent =
  38. 38.9/20 as a percent =
  39. 39.25% as a decimal =
  40. 40.70% as a decimal =

Answer key

  1. 5/8
  2. 60
  3. 80
  4. 1/2
  5. 0.25
  6. 60
  7. 80
  8. 15
  9. 0.3
  10. 20
  11. 0.6
  12. 60
  13. 0.6
  14. 40
  15. 0.15
  16. 0.4
  17. 55
  18. 87.5
  19. 4/5
  20. 35
  21. 0.7
  22. 25
  23. 62.5
  24. 10
  25. 5
  26. 9/10
  27. 9/10
  28. 2/5
  29. 7/20
  30. 55
  31. 80
  32. 0.2
  33. 1/10
  34. 25
  35. 7/20
  36. 10
  37. 80
  38. 45
  39. 0.25
  40. 0.7

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