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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 433 · 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. 1.12.5% as a decimal =
  2. 2.0.7 as a percent =
  3. 3.Which fraction is 0.8? (a) 5/8 (b) 1/5 (c) 7/20 (d) 4/5
  4. 4.45% as a decimal =
  5. 5.1/8 as a percent =
  6. 6.Which fraction is 0.75? (a) 3/4 (b) 13/20 (c) 2/5 (d) 1/8
  7. 7.62.5% as a decimal =
  8. 8.0.65 as a percent =
  9. 9.1/10 as a percent =
  10. 10.50% as a decimal =
  11. 11.3/8 as a percent =
  12. 12.Which fraction is 0.05? (a) 3/5 (b) 3/10 (c) 1/20 (d) 2/5
  13. 13.65% as a decimal =
  14. 14.Which fraction is 40%? (a) 1/5 (b) 1/20 (c) 2/5 (d) 5/8
  15. 15.Which fraction is 10%? (a) 1/8 (b) 1/2 (c) 9/20 (d) 1/10
  16. 16.0.75 as a percent =
  17. 17.3/4 as a percent =
  18. 18.Which fraction is 0.1? (a) 1/8 (b) 1/10 (c) 11/20 (d) 13/20
  19. 19.Which fraction is 65%? (a) 1/4 (b) 7/8 (c) 3/20 (d) 13/20
  20. 20.Which fraction is 37.5%? (a) 1/8 (b) 3/8 (c) 13/20 (d) 7/10
  21. 21.0.05 as a percent =
  22. 22.Which fraction is 0.9? (a) 3/10 (b) 9/10 (c) 3/5 (d) 9/20
  23. 23.1/5 as a percent =
  24. 24.3/10 as a percent =
  25. 25.Which fraction is 0.375? (a) 7/20 (b) 17/20 (c) 3/8 (d) 11/20
  26. 26.11/20 as a percent =
  27. 27.50% as a decimal =
  28. 28.7/20 as a percent =
  29. 29.Which fraction is 70%? (a) 7/8 (b) 9/20 (c) 7/10 (d) 13/20
  30. 30.9/20 as a percent =
  31. 31.80% as a decimal =
  32. 32.Which fraction is 45%? (a) 7/20 (b) 1/5 (c) 2/5 (d) 9/20
  33. 33.Which fraction is 35%? (a) 7/20 (b) 2/5 (c) 7/10 (d) 1/4
  34. 34.Which fraction is 87.5%? (a) 2/5 (b) 7/8 (c) 9/20 (d) 5/8
  35. 35.Which fraction is 50%? (a) 19/20 (b) 1/2 (c) 13/20 (d) 9/20
  36. 36.3/10 as a percent =
  37. 37.0.1 as a percent =
  38. 38.3/8 as a percent =
  39. 39.0.2 as a percent =
  40. 40.1/20 as a percent =

Answer key

  1. 0.125
  2. 70
  3. 4/5
  4. 0.45
  5. 12.5
  6. 3/4
  7. 0.625
  8. 65
  9. 10
  10. 0.5
  11. 37.5
  12. 1/20
  13. 0.65
  14. 2/5
  15. 1/10
  16. 75
  17. 75
  18. 1/10
  19. 13/20
  20. 3/8
  21. 5
  22. 9/10
  23. 20
  24. 30
  25. 3/8
  26. 55
  27. 0.5
  28. 35
  29. 7/10
  30. 45
  31. 0.8
  32. 9/20
  33. 7/20
  34. 7/8
  35. 1/2
  36. 30
  37. 10
  38. 37.5
  39. 20
  40. 5

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