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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 388 · 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. 1.1/10 as a percent =
  2. 2.0.6 as a percent =
  3. 3.7/20 as a percent =
  4. 4.55% as a decimal =
  5. 5.0.2 as a percent =
  6. 6.Which fraction is 0.7? (a) 2/5 (b) 7/10 (c) 9/20 (d) 17/20
  7. 7.25% as a decimal =
  8. 8.9/20 as a percent =
  9. 9.5/8 as a percent =
  10. 10.0.25 as a percent =
  11. 11.5/8 as a percent =
  12. 12.3/10 as a percent =
  13. 13.9/20 as a percent =
  14. 14.2/5 as a percent =
  15. 15.0.45 as a percent =
  16. 16.10% as a decimal =
  17. 17.20% as a decimal =
  18. 18.Which fraction is 40%? (a) 1/20 (b) 2/5 (c) 7/10 (d) 13/20
  19. 19.Which fraction is 0.15? (a) 19/20 (b) 3/5 (c) 3/20 (d) 9/20
  20. 20.0.4 as a percent =
  21. 21.Which fraction is 85%? (a) 17/20 (b) 1/4 (c) 7/8 (d) 4/5
  22. 22.3/4 as a percent =
  23. 23.Which fraction is 62.5%? (a) 1/4 (b) 1/20 (c) 7/10 (d) 5/8
  24. 24.3/20 as a percent =
  25. 25.Which fraction is 90%? (a) 9/10 (b) 3/4 (c) 13/20 (d) 7/20
  26. 26.9/20 as a percent =
  27. 27.Which fraction is 0.1? (a) 1/20 (b) 1/2 (c) 3/4 (d) 1/10
  28. 28.Which fraction is 0.5? (a) 2/5 (b) 13/20 (c) 1/2 (d) 19/20
  29. 29.0.4 as a percent =
  30. 30.3/20 as a percent =
  31. 31.50% as a decimal =
  32. 32.0.45 as a percent =
  33. 33.37.5% as a decimal =
  34. 34.40% as a decimal =
  35. 35.0.8 as a percent =
  36. 36.0.1 as a percent =
  37. 37.0.45 as a percent =
  38. 38.60% as a decimal =
  39. 39.0.15 as a percent =
  40. 40.3/5 as a percent =

Answer key

  1. 10
  2. 60
  3. 35
  4. 0.55
  5. 20
  6. 7/10
  7. 0.25
  8. 45
  9. 62.5
  10. 25
  11. 62.5
  12. 30
  13. 45
  14. 40
  15. 45
  16. 0.1
  17. 0.2
  18. 2/5
  19. 3/20
  20. 40
  21. 17/20
  22. 75
  23. 5/8
  24. 15
  25. 9/10
  26. 45
  27. 1/10
  28. 1/2
  29. 40
  30. 15
  31. 0.5
  32. 45
  33. 0.375
  34. 0.4
  35. 80
  36. 10
  37. 45
  38. 0.6
  39. 15
  40. 60

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