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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 2 · 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. 1.40% as a decimal =
  2. 2.0.875 as a percent =
  3. 3.1/5 as a percent =
  4. 4.7/20 as a percent =
  5. 5.70% as a decimal =
  6. 6.50% as a decimal =
  7. 7.0.3 as a percent =
  8. 8.Which fraction is 37.5%? (a) 13/20 (b) 7/20 (c) 1/5 (d) 3/8
  9. 9.0.4 as a percent =
  10. 10.Which fraction is 85%? (a) 7/8 (b) 17/20 (c) 1/4 (d) 3/5
  11. 11.Which fraction is 95%? (a) 19/20 (b) 17/20 (c) 1/5 (d) 7/20
  12. 12.Which fraction is 10%? (a) 1/10 (b) 1/8 (c) 4/5 (d) 9/10
  13. 13.13/20 as a percent =
  14. 14.95% as a decimal =
  15. 15.35% as a decimal =
  16. 16.1/10 as a percent =
  17. 17.5% as a decimal =
  18. 18.80% as a decimal =
  19. 19.Which fraction is 20%? (a) 9/10 (b) 3/10 (c) 11/20 (d) 1/5
  20. 20.1/4 as a percent =
  21. 21.Which fraction is 65%? (a) 17/20 (b) 7/10 (c) 13/20 (d) 3/5
  22. 22.1/2 as a percent =
  23. 23.0.05 as a percent =
  24. 24.0.45 as a percent =
  25. 25.0.7 as a percent =
  26. 26.5/8 as a percent =
  27. 27.0.375 as a percent =
  28. 28.1/4 as a percent =
  29. 29.0.9 as a percent =
  30. 30.0.25 as a percent =
  31. 31.7/20 as a percent =
  32. 32.9/10 as a percent =
  33. 33.1/20 as a percent =
  34. 34.11/20 as a percent =
  35. 35.Which fraction is 65%? (a) 13/20 (b) 9/10 (c) 1/5 (d) 3/10
  36. 36.9/20 as a percent =
  37. 37.0.25 as a percent =
  38. 38.0.65 as a percent =
  39. 39.80% as a decimal =
  40. 40.35% as a decimal =

Answer key

  1. 0.4
  2. 87.5
  3. 20
  4. 35
  5. 0.7
  6. 0.5
  7. 30
  8. 3/8
  9. 40
  10. 17/20
  11. 19/20
  12. 1/10
  13. 65
  14. 0.95
  15. 0.35
  16. 10
  17. 0.05
  18. 0.8
  19. 1/5
  20. 25
  21. 13/20
  22. 50
  23. 5
  24. 45
  25. 70
  26. 62.5
  27. 37.5
  28. 25
  29. 90
  30. 25
  31. 35
  32. 90
  33. 5
  34. 55
  35. 13/20
  36. 45
  37. 25
  38. 65
  39. 0.8
  40. 0.35

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