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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 431 · 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. 1.0.55 as a percent =
  2. 2.1/10 as a percent =
  3. 3.3/4 as a percent =
  4. 4.15% as a decimal =
  5. 5.0.4 as a percent =
  6. 6.30% as a decimal =
  7. 7.3/20 as a percent =
  8. 8.0.3 as a percent =
  9. 9.0.9 as a percent =
  10. 10.0.85 as a percent =
  11. 11.40% as a decimal =
  12. 12.0.375 as a percent =
  13. 13.62.5% as a decimal =
  14. 14.1/10 as a percent =
  15. 15.0.1 as a percent =
  16. 16.0.65 as a percent =
  17. 17.19/20 as a percent =
  18. 18.Which fraction is 10%? (a) 3/20 (b) 1/4 (c) 1/10 (d) 2/5
  19. 19.37.5% as a decimal =
  20. 20.Which fraction is 12.5%? (a) 9/20 (b) 1/8 (c) 4/5 (d) 3/8
  21. 21.3/5 as a percent =
  22. 22.0.5 as a percent =
  23. 23.0.4 as a percent =
  24. 24.Which fraction is 0.85? (a) 3/8 (b) 5/8 (c) 7/10 (d) 17/20
  25. 25.45% as a decimal =
  26. 26.Which fraction is 0.55? (a) 19/20 (b) 9/20 (c) 7/10 (d) 11/20
  27. 27.0.45 as a percent =
  28. 28.1/5 as a percent =
  29. 29.3/10 as a percent =
  30. 30.Which fraction is 37.5%? (a) 3/4 (b) 1/5 (c) 4/5 (d) 3/8
  31. 31.Which fraction is 0.95? (a) 11/20 (b) 3/10 (c) 19/20 (d) 13/20
  32. 32.3/5 as a percent =
  33. 33.0.35 as a percent =
  34. 34.Which fraction is 0.05? (a) 11/20 (b) 17/20 (c) 1/4 (d) 1/20
  35. 35.40% as a decimal =
  36. 36.50% as a decimal =
  37. 37.50% as a decimal =
  38. 38.0.8 as a percent =
  39. 39.0.15 as a percent =
  40. 40.20% as a decimal =

Answer key

  1. 55
  2. 10
  3. 75
  4. 0.15
  5. 40
  6. 0.3
  7. 15
  8. 30
  9. 90
  10. 85
  11. 0.4
  12. 37.5
  13. 0.625
  14. 10
  15. 10
  16. 65
  17. 95
  18. 1/10
  19. 0.375
  20. 1/8
  21. 60
  22. 50
  23. 40
  24. 17/20
  25. 0.45
  26. 11/20
  27. 45
  28. 20
  29. 30
  30. 3/8
  31. 19/20
  32. 60
  33. 35
  34. 1/20
  35. 0.4
  36. 0.5
  37. 0.5
  38. 80
  39. 15
  40. 0.2

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