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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 850 · 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. 1.0.75 as a percent =
  2. 2.5% as a decimal =
  3. 3.9/20 as a percent =
  4. 4.87.5% as a decimal =
  5. 5.0.25 as a percent =
  6. 6.2/5 as a percent =
  7. 7.0.7 as a percent =
  8. 8.19/20 as a percent =
  9. 9.87.5% as a decimal =
  10. 10.0.05 as a percent =
  11. 11.Which fraction is 20%? (a) 7/10 (b) 1/2 (c) 17/20 (d) 1/5
  12. 12.40% as a decimal =
  13. 13.10% as a decimal =
  14. 14.3/20 as a percent =
  15. 15.0.9 as a percent =
  16. 16.10% as a decimal =
  17. 17.Which fraction is 80%? (a) 3/4 (b) 2/5 (c) 3/10 (d) 4/5
  18. 18.0.875 as a percent =
  19. 19.Which fraction is 30%? (a) 1/2 (b) 3/10 (c) 3/4 (d) 1/20
  20. 20.3/4 as a percent =
  21. 21.19/20 as a percent =
  22. 22.2/5 as a percent =
  23. 23.Which fraction is 45%? (a) 4/5 (b) 9/20 (c) 1/4 (d) 19/20
  24. 24.13/20 as a percent =
  25. 25.0.625 as a percent =
  26. 26.2/5 as a percent =
  27. 27.Which fraction is 0.7? (a) 3/8 (b) 7/10 (c) 2/5 (d) 3/10
  28. 28.0.75 as a percent =
  29. 29.20% as a decimal =
  30. 30.12.5% as a decimal =
  31. 31.0.9 as a percent =
  32. 32.50% as a decimal =
  33. 33.0.375 as a percent =
  34. 34.Which fraction is 62.5%? (a) 1/10 (b) 5/8 (c) 9/20 (d) 3/20
  35. 35.Which fraction is 50%? (a) 13/20 (b) 3/20 (c) 17/20 (d) 1/2
  36. 36.0.875 as a percent =
  37. 37.85% as a decimal =
  38. 38.13/20 as a percent =
  39. 39.25% as a decimal =
  40. 40.19/20 as a percent =

Answer key

  1. 75
  2. 0.05
  3. 45
  4. 0.875
  5. 25
  6. 40
  7. 70
  8. 95
  9. 0.875
  10. 5
  11. 1/5
  12. 0.4
  13. 0.1
  14. 15
  15. 90
  16. 0.1
  17. 4/5
  18. 87.5
  19. 3/10
  20. 75
  21. 95
  22. 40
  23. 9/20
  24. 65
  25. 62.5
  26. 40
  27. 7/10
  28. 75
  29. 0.2
  30. 0.125
  31. 90
  32. 0.5
  33. 37.5
  34. 5/8
  35. 1/2
  36. 87.5
  37. 0.85
  38. 65
  39. 0.25
  40. 95

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