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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 442 · 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.Which fraction is 5%? (a) 3/10 (b) 1/5 (c) 3/5 (d) 1/20
  3. 3.3/4 as a percent =
  4. 4.7/10 as a percent =
  5. 5.1/4 as a percent =
  6. 6.1/4 as a percent =
  7. 7.0.3 as a percent =
  8. 8.3/8 as a percent =
  9. 9.0.4 as a percent =
  10. 10.0.15 as a percent =
  11. 11.Which fraction is 37.5%? (a) 1/20 (b) 3/8 (c) 19/20 (d) 1/10
  12. 12.10% as a decimal =
  13. 13.0.4 as a percent =
  14. 14.0.2 as a percent =
  15. 15.7/8 as a percent =
  16. 16.Which fraction is 12.5%? (a) 3/20 (b) 7/20 (c) 1/8 (d) 3/5
  17. 17.3/10 as a percent =
  18. 18.5% as a decimal =
  19. 19.0.5 as a percent =
  20. 20.9/10 as a percent =
  21. 21.Which fraction is 35%? (a) 7/10 (b) 17/20 (c) 7/20 (d) 1/5
  22. 22.37.5% as a decimal =
  23. 23.9/20 as a percent =
  24. 24.0.5 as a percent =
  25. 25.3/4 as a percent =
  26. 26.0.3 as a percent =
  27. 27.0.4 as a percent =
  28. 28.Which fraction is 50%? (a) 1/2 (b) 17/20 (c) 4/5 (d) 1/8
  29. 29.Which fraction is 0.6? (a) 3/10 (b) 7/20 (c) 3/5 (d) 9/10
  30. 30.0.3 as a percent =
  31. 31.3/5 as a percent =
  32. 32.Which fraction is 65%? (a) 1/20 (b) 3/20 (c) 1/8 (d) 13/20
  33. 33.1/10 as a percent =
  34. 34.2/5 as a percent =
  35. 35.2/5 as a percent =
  36. 36.3/5 as a percent =
  37. 37.9/10 as a percent =
  38. 38.Which fraction is 0.75? (a) 3/4 (b) 1/10 (c) 19/20 (d) 1/2
  39. 39.90% as a decimal =
  40. 40.0.2 as a percent =

Answer key

  1. 85
  2. 1/20
  3. 75
  4. 70
  5. 25
  6. 25
  7. 30
  8. 37.5
  9. 40
  10. 15
  11. 3/8
  12. 0.1
  13. 40
  14. 20
  15. 87.5
  16. 1/8
  17. 30
  18. 0.05
  19. 50
  20. 90
  21. 7/20
  22. 0.375
  23. 45
  24. 50
  25. 75
  26. 30
  27. 40
  28. 1/2
  29. 3/5
  30. 30
  31. 60
  32. 13/20
  33. 10
  34. 40
  35. 40
  36. 60
  37. 90
  38. 3/4
  39. 0.9
  40. 20

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