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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 819 · 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. 1.17/20 as a percent =
  2. 2.0.65 as a percent =
  3. 3.Which fraction is 0.625? (a) 1/5 (b) 5/8 (c) 7/10 (d) 9/20
  4. 4.1/5 as a percent =
  5. 5.Which fraction is 0.375? (a) 7/10 (b) 3/8 (c) 7/20 (d) 1/10
  6. 6.0.2 as a percent =
  7. 7.95% as a decimal =
  8. 8.0.1 as a percent =
  9. 9.9/20 as a percent =
  10. 10.7/20 as a percent =
  11. 11.19/20 as a percent =
  12. 12.7/8 as a percent =
  13. 13.Which fraction is 60%? (a) 3/8 (b) 7/10 (c) 3/5 (d) 19/20
  14. 14.0.9 as a percent =
  15. 15.0.7 as a percent =
  16. 16.19/20 as a percent =
  17. 17.0.625 as a percent =
  18. 18.0.6 as a percent =
  19. 19.Which fraction is 55%? (a) 11/20 (b) 1/20 (c) 7/8 (d) 3/4
  20. 20.90% as a decimal =
  21. 21.Which fraction is 0.45? (a) 1/20 (b) 9/10 (c) 9/20 (d) 4/5
  22. 22.1/2 as a percent =
  23. 23.17/20 as a percent =
  24. 24.4/5 as a percent =
  25. 25.Which fraction is 0.4? (a) 7/10 (b) 17/20 (c) 3/5 (d) 2/5
  26. 26.1/2 as a percent =
  27. 27.0.05 as a percent =
  28. 28.Which fraction is 35%? (a) 3/8 (b) 7/20 (c) 3/4 (d) 1/10
  29. 29.0.1 as a percent =
  30. 30.0.25 as a percent =
  31. 31.1/2 as a percent =
  32. 32.37.5% as a decimal =
  33. 33.3/10 as a percent =
  34. 34.87.5% as a decimal =
  35. 35.3/10 as a percent =
  36. 36.30% as a decimal =
  37. 37.Which fraction is 0.55? (a) 7/20 (b) 17/20 (c) 3/5 (d) 11/20
  38. 38.35% as a decimal =
  39. 39.3/8 as a percent =
  40. 40.25% as a decimal =

Answer key

  1. 85
  2. 65
  3. 5/8
  4. 20
  5. 3/8
  6. 20
  7. 0.95
  8. 10
  9. 45
  10. 35
  11. 95
  12. 87.5
  13. 3/5
  14. 90
  15. 70
  16. 95
  17. 62.5
  18. 60
  19. 11/20
  20. 0.9
  21. 9/20
  22. 50
  23. 85
  24. 80
  25. 2/5
  26. 50
  27. 5
  28. 7/20
  29. 10
  30. 25
  31. 50
  32. 0.375
  33. 30
  34. 0.875
  35. 30
  36. 0.3
  37. 11/20
  38. 0.35
  39. 37.5
  40. 0.25

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