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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 241 · 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.Which fraction is 0.8? (a) 3/4 (b) 2/5 (c) 4/5 (d) 7/8
  2. 2.Which fraction is 45%? (a) 9/20 (b) 1/5 (c) 5/8 (d) 3/5
  3. 3.0.5 as a percent =
  4. 4.0.35 as a percent =
  5. 5.0.35 as a percent =
  6. 6.37.5% as a decimal =
  7. 7.1/10 as a percent =
  8. 8.5/8 as a percent =
  9. 9.0.625 as a percent =
  10. 10.3/10 as a percent =
  11. 11.35% as a decimal =
  12. 12.Which fraction is 45%? (a) 11/20 (b) 5/8 (c) 9/20 (d) 19/20
  13. 13.13/20 as a percent =
  14. 14.55% as a decimal =
  15. 15.17/20 as a percent =
  16. 16.3/4 as a percent =
  17. 17.Which fraction is 0.75? (a) 7/20 (b) 3/4 (c) 11/20 (d) 17/20
  18. 18.0.9 as a percent =
  19. 19.0.7 as a percent =
  20. 20.30% as a decimal =
  21. 21.Which fraction is 30%? (a) 1/2 (b) 5/8 (c) 3/10 (d) 3/20
  22. 22.15% as a decimal =
  23. 23.1/8 as a percent =
  24. 24.1/5 as a percent =
  25. 25.Which fraction is 37.5%? (a) 11/20 (b) 7/10 (c) 3/8 (d) 3/10
  26. 26.0.3 as a percent =
  27. 27.1/8 as a percent =
  28. 28.5/8 as a percent =
  29. 29.0.3 as a percent =
  30. 30.Which fraction is 0.3? (a) 5/8 (b) 3/10 (c) 1/4 (d) 1/5
  31. 31.0.125 as a percent =
  32. 32.3/8 as a percent =
  33. 33.0.5 as a percent =
  34. 34.1/4 as a percent =
  35. 35.30% as a decimal =
  36. 36.0.25 as a percent =
  37. 37.0.85 as a percent =
  38. 38.0.25 as a percent =
  39. 39.2/5 as a percent =
  40. 40.0.9 as a percent =

Answer key

  1. 4/5
  2. 9/20
  3. 50
  4. 35
  5. 35
  6. 0.375
  7. 10
  8. 62.5
  9. 62.5
  10. 30
  11. 0.35
  12. 9/20
  13. 65
  14. 0.55
  15. 85
  16. 75
  17. 3/4
  18. 90
  19. 70
  20. 0.3
  21. 3/10
  22. 0.15
  23. 12.5
  24. 20
  25. 3/8
  26. 30
  27. 12.5
  28. 62.5
  29. 30
  30. 3/10
  31. 12.5
  32. 37.5
  33. 50
  34. 25
  35. 0.3
  36. 25
  37. 85
  38. 25
  39. 40
  40. 90

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