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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 598 · 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 90%? (a) 2/5 (b) 19/20 (c) 9/10 (d) 4/5
  2. 2.0.05 as a percent =
  3. 3.30% as a decimal =
  4. 4.Which fraction is 0.9? (a) 1/4 (b) 9/10 (c) 3/20 (d) 3/10
  5. 5.15% as a decimal =
  6. 6.0.35 as a percent =
  7. 7.Which fraction is 0.7? (a) 3/20 (b) 7/10 (c) 11/20 (d) 1/8
  8. 8.1/20 as a percent =
  9. 9.0.6 as a percent =
  10. 10.1/10 as a percent =
  11. 11.30% as a decimal =
  12. 12.Which fraction is 0.625? (a) 7/20 (b) 5/8 (c) 1/4 (d) 1/8
  13. 13.3/8 as a percent =
  14. 14.0.45 as a percent =
  15. 15.1/5 as a percent =
  16. 16.40% as a decimal =
  17. 17.0.7 as a percent =
  18. 18.Which fraction is 87.5%? (a) 1/10 (b) 3/5 (c) 1/8 (d) 7/8
  19. 19.Which fraction is 0.75? (a) 5/8 (b) 19/20 (c) 3/4 (d) 1/2
  20. 20.0.875 as a percent =
  21. 21.0.9 as a percent =
  22. 22.15% as a decimal =
  23. 23.0.25 as a percent =
  24. 24.Which fraction is 55%? (a) 3/5 (b) 1/20 (c) 1/2 (d) 11/20
  25. 25.Which fraction is 37.5%? (a) 3/10 (b) 3/4 (c) 2/5 (d) 3/8
  26. 26.Which fraction is 62.5%? (a) 3/8 (b) 1/4 (c) 1/8 (d) 5/8
  27. 27.Which fraction is 0.1? (a) 3/4 (b) 3/20 (c) 1/10 (d) 13/20
  28. 28.0.1 as a percent =
  29. 29.95% as a decimal =
  30. 30.1/8 as a percent =
  31. 31.20% as a decimal =
  32. 32.0.75 as a percent =
  33. 33.17/20 as a percent =
  34. 34.40% as a decimal =
  35. 35.Which fraction is 0.85? (a) 1/2 (b) 3/8 (c) 17/20 (d) 1/5
  36. 36.37.5% as a decimal =
  37. 37.9/20 as a percent =
  38. 38.0.2 as a percent =
  39. 39.1/8 as a percent =
  40. 40.65% as a decimal =

Answer key

  1. 9/10
  2. 5
  3. 0.3
  4. 9/10
  5. 0.15
  6. 35
  7. 7/10
  8. 5
  9. 60
  10. 10
  11. 0.3
  12. 5/8
  13. 37.5
  14. 45
  15. 20
  16. 0.4
  17. 70
  18. 7/8
  19. 3/4
  20. 87.5
  21. 90
  22. 0.15
  23. 25
  24. 11/20
  25. 3/8
  26. 5/8
  27. 1/10
  28. 10
  29. 0.95
  30. 12.5
  31. 0.2
  32. 75
  33. 85
  34. 0.4
  35. 17/20
  36. 0.375
  37. 45
  38. 20
  39. 12.5
  40. 0.65

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