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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 718 · 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. 1.1/4 as a percent =
  2. 2.Which fraction is 0.85? (a) 1/8 (b) 7/10 (c) 17/20 (d) 1/2
  3. 3.0.25 as a percent =
  4. 4.0.625 as a percent =
  5. 5.37.5% as a decimal =
  6. 6.0.4 as a percent =
  7. 7.1/2 as a percent =
  8. 8.0.75 as a percent =
  9. 9.37.5% as a decimal =
  10. 10.19/20 as a percent =
  11. 11.Which fraction is 30%? (a) 3/5 (b) 3/10 (c) 2/5 (d) 1/2
  12. 12.12.5% as a decimal =
  13. 13.Which fraction is 50%? (a) 1/8 (b) 5/8 (c) 1/2 (d) 7/8
  14. 14.30% as a decimal =
  15. 15.37.5% as a decimal =
  16. 16.3/20 as a percent =
  17. 17.1/20 as a percent =
  18. 18.3/10 as a percent =
  19. 19.9/20 as a percent =
  20. 20.Which fraction is 50%? (a) 9/20 (b) 1/2 (c) 5/8 (d) 1/8
  21. 21.0.15 as a percent =
  22. 22.40% as a decimal =
  23. 23.0.3 as a percent =
  24. 24.7/8 as a percent =
  25. 25.1/8 as a percent =
  26. 26.9/10 as a percent =
  27. 27.0.7 as a percent =
  28. 28.1/4 as a percent =
  29. 29.7/8 as a percent =
  30. 30.0.9 as a percent =
  31. 31.62.5% as a decimal =
  32. 32.70% as a decimal =
  33. 33.Which fraction is 12.5%? (a) 1/20 (b) 1/10 (c) 9/20 (d) 1/8
  34. 34.Which fraction is 0.9? (a) 11/20 (b) 9/10 (c) 5/8 (d) 4/5
  35. 35.Which fraction is 85%? (a) 11/20 (b) 1/5 (c) 17/20 (d) 3/5
  36. 36.20% as a decimal =
  37. 37.0.4 as a percent =
  38. 38.0.9 as a percent =
  39. 39.0.5 as a percent =
  40. 40.25% as a decimal =

Answer key

  1. 25
  2. 17/20
  3. 25
  4. 62.5
  5. 0.375
  6. 40
  7. 50
  8. 75
  9. 0.375
  10. 95
  11. 3/10
  12. 0.125
  13. 1/2
  14. 0.3
  15. 0.375
  16. 15
  17. 5
  18. 30
  19. 45
  20. 1/2
  21. 15
  22. 0.4
  23. 30
  24. 87.5
  25. 12.5
  26. 90
  27. 70
  28. 25
  29. 87.5
  30. 90
  31. 0.625
  32. 0.7
  33. 1/8
  34. 9/10
  35. 17/20
  36. 0.2
  37. 40
  38. 90
  39. 50
  40. 0.25

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