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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 617 · 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. 1.15% as a decimal =
  2. 2.20% as a decimal =
  3. 3.0.8 as a percent =
  4. 4.7/10 as a percent =
  5. 5.90% as a decimal =
  6. 6.0.1 as a percent =
  7. 7.1/4 as a percent =
  8. 8.65% as a decimal =
  9. 9.2/5 as a percent =
  10. 10.0.375 as a percent =
  11. 11.Which fraction is 90%? (a) 3/5 (b) 19/20 (c) 9/10 (d) 9/20
  12. 12.Which fraction is 95%? (a) 19/20 (b) 3/8 (c) 1/2 (d) 1/5
  13. 13.Which fraction is 25%? (a) 11/20 (b) 7/20 (c) 3/8 (d) 1/4
  14. 14.Which fraction is 90%? (a) 3/4 (b) 7/20 (c) 3/10 (d) 9/10
  15. 15.0.5 as a percent =
  16. 16.60% as a decimal =
  17. 17.85% as a decimal =
  18. 18.4/5 as a percent =
  19. 19.0.8 as a percent =
  20. 20.0.25 as a percent =
  21. 21.11/20 as a percent =
  22. 22.Which fraction is 60%? (a) 3/5 (b) 3/20 (c) 5/8 (d) 3/8
  23. 23.7/8 as a percent =
  24. 24.10% as a decimal =
  25. 25.Which fraction is 55%? (a) 9/10 (b) 3/4 (c) 11/20 (d) 7/20
  26. 26.0.4 as a percent =
  27. 27.Which fraction is 0.25? (a) 1/4 (b) 4/5 (c) 1/2 (d) 19/20
  28. 28.0.4 as a percent =
  29. 29.20% as a decimal =
  30. 30.9/10 as a percent =
  31. 31.87.5% as a decimal =
  32. 32.19/20 as a percent =
  33. 33.2/5 as a percent =
  34. 34.0.3 as a percent =
  35. 35.Which fraction is 30%? (a) 7/8 (b) 1/8 (c) 3/10 (d) 3/20
  36. 36.60% as a decimal =
  37. 37.0.8 as a percent =
  38. 38.Which fraction is 0.625? (a) 11/20 (b) 1/8 (c) 5/8 (d) 3/4
  39. 39.9/10 as a percent =
  40. 40.0.625 as a percent =

Answer key

  1. 0.15
  2. 0.2
  3. 80
  4. 70
  5. 0.9
  6. 10
  7. 25
  8. 0.65
  9. 40
  10. 37.5
  11. 9/10
  12. 19/20
  13. 1/4
  14. 9/10
  15. 50
  16. 0.6
  17. 0.85
  18. 80
  19. 80
  20. 25
  21. 55
  22. 3/5
  23. 87.5
  24. 0.1
  25. 11/20
  26. 40
  27. 1/4
  28. 40
  29. 0.2
  30. 90
  31. 0.875
  32. 95
  33. 40
  34. 30
  35. 3/10
  36. 0.6
  37. 80
  38. 5/8
  39. 90
  40. 62.5

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