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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 214 · 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. 1.11/20 as a percent =
  2. 2.2/5 as a percent =
  3. 3.0.625 as a percent =
  4. 4.13/20 as a percent =
  5. 5.3/5 as a percent =
  6. 6.Which fraction is 87.5%? (a) 3/5 (b) 7/8 (c) 1/5 (d) 2/5
  7. 7.Which fraction is 90%? (a) 3/5 (b) 17/20 (c) 9/10 (d) 1/10
  8. 8.Which fraction is 0.5? (a) 9/10 (b) 19/20 (c) 1/2 (d) 1/8
  9. 9.1/2 as a percent =
  10. 10.11/20 as a percent =
  11. 11.Which fraction is 65%? (a) 13/20 (b) 19/20 (c) 17/20 (d) 9/10
  12. 12.Which fraction is 0.55? (a) 1/5 (b) 4/5 (c) 11/20 (d) 1/20
  13. 13.3/10 as a percent =
  14. 14.45% as a decimal =
  15. 15.0.3 as a percent =
  16. 16.10% as a decimal =
  17. 17.0.65 as a percent =
  18. 18.37.5% as a decimal =
  19. 19.90% as a decimal =
  20. 20.Which fraction is 85%? (a) 3/4 (b) 17/20 (c) 1/2 (d) 3/20
  21. 21.80% as a decimal =
  22. 22.Which fraction is 87.5%? (a) 19/20 (b) 7/8 (c) 3/4 (d) 1/10
  23. 23.Which fraction is 45%? (a) 7/10 (b) 3/10 (c) 9/20 (d) 1/5
  24. 24.10% as a decimal =
  25. 25.0.3 as a percent =
  26. 26.0.125 as a percent =
  27. 27.3/20 as a percent =
  28. 28.11/20 as a percent =
  29. 29.87.5% as a decimal =
  30. 30.15% as a decimal =
  31. 31.3/8 as a percent =
  32. 32.11/20 as a percent =
  33. 33.Which fraction is 0.5? (a) 1/20 (b) 4/5 (c) 19/20 (d) 1/2
  34. 34.7/10 as a percent =
  35. 35.3/10 as a percent =
  36. 36.Which fraction is 55%? (a) 5/8 (b) 4/5 (c) 3/4 (d) 11/20
  37. 37.0.875 as a percent =
  38. 38.5/8 as a percent =
  39. 39.0.9 as a percent =
  40. 40.9/10 as a percent =

Answer key

  1. 55
  2. 40
  3. 62.5
  4. 65
  5. 60
  6. 7/8
  7. 9/10
  8. 1/2
  9. 50
  10. 55
  11. 13/20
  12. 11/20
  13. 30
  14. 0.45
  15. 30
  16. 0.1
  17. 65
  18. 0.375
  19. 0.9
  20. 17/20
  21. 0.8
  22. 7/8
  23. 9/20
  24. 0.1
  25. 30
  26. 12.5
  27. 15
  28. 55
  29. 0.875
  30. 0.15
  31. 37.5
  32. 55
  33. 1/2
  34. 70
  35. 30
  36. 11/20
  37. 87.5
  38. 62.5
  39. 90
  40. 90

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