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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 39 · 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. 1.3/10 as a percent =
  2. 2.Which fraction is 0.55? (a) 11/20 (b) 1/8 (c) 2/5 (d) 1/5
  3. 3.0.4 as a percent =
  4. 4.Which fraction is 10%? (a) 3/5 (b) 7/10 (c) 1/10 (d) 1/2
  5. 5.25% as a decimal =
  6. 6.Which fraction is 0.85? (a) 13/20 (b) 9/10 (c) 17/20 (d) 1/5
  7. 7.0.45 as a percent =
  8. 8.0.7 as a percent =
  9. 9.0.6 as a percent =
  10. 10.95% as a decimal =
  11. 11.0.05 as a percent =
  12. 12.5% as a decimal =
  13. 13.70% as a decimal =
  14. 14.60% as a decimal =
  15. 15.Which fraction is 0.8? (a) 4/5 (b) 3/5 (c) 9/20 (d) 11/20
  16. 16.Which fraction is 37.5%? (a) 3/8 (b) 1/20 (c) 1/5 (d) 7/8
  17. 17.0.375 as a percent =
  18. 18.87.5% as a decimal =
  19. 19.3/5 as a percent =
  20. 20.4/5 as a percent =
  21. 21.Which fraction is 30%? (a) 9/20 (b) 2/5 (c) 3/20 (d) 3/10
  22. 22.62.5% as a decimal =
  23. 23.3/4 as a percent =
  24. 24.1/2 as a percent =
  25. 25.0.125 as a percent =
  26. 26.3/4 as a percent =
  27. 27.75% as a decimal =
  28. 28.Which fraction is 90%? (a) 3/20 (b) 13/20 (c) 9/10 (d) 19/20
  29. 29.0.65 as a percent =
  30. 30.19/20 as a percent =
  31. 31.20% as a decimal =
  32. 32.15% as a decimal =
  33. 33.90% as a decimal =
  34. 34.75% as a decimal =
  35. 35.Which fraction is 20%? (a) 1/2 (b) 1/5 (c) 19/20 (d) 13/20
  36. 36.65% as a decimal =
  37. 37.95% as a decimal =
  38. 38.35% as a decimal =
  39. 39.0.25 as a percent =
  40. 40.7/8 as a percent =

Answer key

  1. 30
  2. 11/20
  3. 40
  4. 1/10
  5. 0.25
  6. 17/20
  7. 45
  8. 70
  9. 60
  10. 0.95
  11. 5
  12. 0.05
  13. 0.7
  14. 0.6
  15. 4/5
  16. 3/8
  17. 37.5
  18. 0.875
  19. 60
  20. 80
  21. 3/10
  22. 0.625
  23. 75
  24. 50
  25. 12.5
  26. 75
  27. 0.75
  28. 9/10
  29. 65
  30. 95
  31. 0.2
  32. 0.15
  33. 0.9
  34. 0.75
  35. 1/5
  36. 0.65
  37. 0.95
  38. 0.35
  39. 25
  40. 87.5

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