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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 453 · 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. 1.75% as a decimal =
  2. 2.Which fraction is 0.55? (a) 4/5 (b) 1/8 (c) 11/20 (d) 3/5
  3. 3.1/2 as a percent =
  4. 4.1/5 as a percent =
  5. 5.1/5 as a percent =
  6. 6.1/2 as a percent =
  7. 7.0.25 as a percent =
  8. 8.Which fraction is 0.6? (a) 3/5 (b) 5/8 (c) 3/10 (d) 3/4
  9. 9.Which fraction is 5%? (a) 1/20 (b) 1/4 (c) 3/5 (d) 1/8
  10. 10.5/8 as a percent =
  11. 11.Which fraction is 45%? (a) 4/5 (b) 9/20 (c) 3/20 (d) 19/20
  12. 12.Which fraction is 0.85? (a) 7/8 (b) 17/20 (c) 3/8 (d) 4/5
  13. 13.90% as a decimal =
  14. 14.0.45 as a percent =
  15. 15.3/4 as a percent =
  16. 16.7/10 as a percent =
  17. 17.9/20 as a percent =
  18. 18.7/8 as a percent =
  19. 19.Which fraction is 12.5%? (a) 2/5 (b) 7/20 (c) 13/20 (d) 1/8
  20. 20.0.625 as a percent =
  21. 21.0.65 as a percent =
  22. 22.0.125 as a percent =
  23. 23.Which fraction is 10%? (a) 3/5 (b) 2/5 (c) 3/20 (d) 1/10
  24. 24.80% as a decimal =
  25. 25.35% as a decimal =
  26. 26.1/4 as a percent =
  27. 27.20% as a decimal =
  28. 28.Which fraction is 0.6? (a) 3/5 (b) 1/10 (c) 1/2 (d) 9/10
  29. 29.9/20 as a percent =
  30. 30.70% as a decimal =
  31. 31.0.65 as a percent =
  32. 32.0.35 as a percent =
  33. 33.7/10 as a percent =
  34. 34.1/10 as a percent =
  35. 35.5% as a decimal =
  36. 36.7/10 as a percent =
  37. 37.3/10 as a percent =
  38. 38.0.4 as a percent =
  39. 39.2/5 as a percent =
  40. 40.1/8 as a percent =

Answer key

  1. 0.75
  2. 11/20
  3. 50
  4. 20
  5. 20
  6. 50
  7. 25
  8. 3/5
  9. 1/20
  10. 62.5
  11. 9/20
  12. 17/20
  13. 0.9
  14. 45
  15. 75
  16. 70
  17. 45
  18. 87.5
  19. 1/8
  20. 62.5
  21. 65
  22. 12.5
  23. 1/10
  24. 0.8
  25. 0.35
  26. 25
  27. 0.2
  28. 3/5
  29. 45
  30. 0.7
  31. 65
  32. 35
  33. 70
  34. 10
  35. 0.05
  36. 70
  37. 30
  38. 40
  39. 40
  40. 12.5

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