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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 290 · 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 12.5%? (a) 1/10 (b) 4/5 (c) 11/20 (d) 1/8
  2. 2.Which fraction is 40%? (a) 7/10 (b) 3/10 (c) 2/5 (d) 17/20
  3. 3.0.45 as a percent =
  4. 4.20% as a decimal =
  5. 5.9/10 as a percent =
  6. 6.35% as a decimal =
  7. 7.Which fraction is 50%? (a) 19/20 (b) 1/2 (c) 1/8 (d) 9/20
  8. 8.5% as a decimal =
  9. 9.7/20 as a percent =
  10. 10.65% as a decimal =
  11. 11.0.125 as a percent =
  12. 12.1/20 as a percent =
  13. 13.0.65 as a percent =
  14. 14.1/5 as a percent =
  15. 15.0.85 as a percent =
  16. 16.0.35 as a percent =
  17. 17.0.5 as a percent =
  18. 18.7/10 as a percent =
  19. 19.7/10 as a percent =
  20. 20.3/20 as a percent =
  21. 21.0.45 as a percent =
  22. 22.1/8 as a percent =
  23. 23.3/5 as a percent =
  24. 24.1/20 as a percent =
  25. 25.0.55 as a percent =
  26. 26.Which fraction is 0.4? (a) 3/20 (b) 3/10 (c) 2/5 (d) 3/4
  27. 27.3/5 as a percent =
  28. 28.Which fraction is 0.55? (a) 3/20 (b) 7/20 (c) 11/20 (d) 9/10
  29. 29.3/4 as a percent =
  30. 30.0.1 as a percent =
  31. 31.0.9 as a percent =
  32. 32.1/8 as a percent =
  33. 33.3/10 as a percent =
  34. 34.9/10 as a percent =
  35. 35.Which fraction is 0.4? (a) 1/2 (b) 1/5 (c) 3/5 (d) 2/5
  36. 36.0.05 as a percent =
  37. 37.0.8 as a percent =
  38. 38.80% as a decimal =
  39. 39.Which fraction is 12.5%? (a) 19/20 (b) 7/20 (c) 1/8 (d) 11/20
  40. 40.Which fraction is 37.5%? (a) 3/8 (b) 2/5 (c) 1/8 (d) 3/20

Answer key

  1. 1/8
  2. 2/5
  3. 45
  4. 0.2
  5. 90
  6. 0.35
  7. 1/2
  8. 0.05
  9. 35
  10. 0.65
  11. 12.5
  12. 5
  13. 65
  14. 20
  15. 85
  16. 35
  17. 50
  18. 70
  19. 70
  20. 15
  21. 45
  22. 12.5
  23. 60
  24. 5
  25. 55
  26. 2/5
  27. 60
  28. 11/20
  29. 75
  30. 10
  31. 90
  32. 12.5
  33. 30
  34. 90
  35. 2/5
  36. 5
  37. 80
  38. 0.8
  39. 1/8
  40. 3/8

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