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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 757 · 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. 1.45% as a decimal =
  2. 2.4/5 as a percent =
  3. 3.Which fraction is 0.5? (a) 9/10 (b) 2/5 (c) 7/20 (d) 1/2
  4. 4.0.35 as a percent =
  5. 5.0.05 as a percent =
  6. 6.0.4 as a percent =
  7. 7.12.5% as a decimal =
  8. 8.Which fraction is 37.5%? (a) 3/8 (b) 7/10 (c) 13/20 (d) 9/10
  9. 9.1/20 as a percent =
  10. 10.0.875 as a percent =
  11. 11.0.95 as a percent =
  12. 12.Which fraction is 30%? (a) 1/10 (b) 3/10 (c) 7/8 (d) 3/4
  13. 13.0.8 as a percent =
  14. 14.Which fraction is 80%? (a) 19/20 (b) 17/20 (c) 4/5 (d) 9/10
  15. 15.17/20 as a percent =
  16. 16.0.15 as a percent =
  17. 17.Which fraction is 0.5? (a) 3/5 (b) 3/20 (c) 13/20 (d) 1/2
  18. 18.Which fraction is 80%? (a) 7/8 (b) 2/5 (c) 4/5 (d) 13/20
  19. 19.7/10 as a percent =
  20. 20.2/5 as a percent =
  21. 21.20% as a decimal =
  22. 22.85% as a decimal =
  23. 23.40% as a decimal =
  24. 24.Which fraction is 87.5%? (a) 13/20 (b) 7/8 (c) 2/5 (d) 5/8
  25. 25.0.45 as a percent =
  26. 26.0.1 as a percent =
  27. 27.Which fraction is 80%? (a) 11/20 (b) 1/2 (c) 4/5 (d) 19/20
  28. 28.Which fraction is 12.5%? (a) 1/8 (b) 7/20 (c) 1/2 (d) 3/8
  29. 29.3/5 as a percent =
  30. 30.0.6 as a percent =
  31. 31.11/20 as a percent =
  32. 32.Which fraction is 90%? (a) 1/10 (b) 3/8 (c) 9/10 (d) 13/20
  33. 33.5% as a decimal =
  34. 34.17/20 as a percent =
  35. 35.1/10 as a percent =
  36. 36.2/5 as a percent =
  37. 37.55% as a decimal =
  38. 38.Which fraction is 37.5%? (a) 3/8 (b) 3/4 (c) 1/20 (d) 13/20
  39. 39.3/4 as a percent =
  40. 40.Which fraction is 15%? (a) 1/2 (b) 2/5 (c) 3/20 (d) 1/10

Answer key

  1. 0.45
  2. 80
  3. 1/2
  4. 35
  5. 5
  6. 40
  7. 0.125
  8. 3/8
  9. 5
  10. 87.5
  11. 95
  12. 3/10
  13. 80
  14. 4/5
  15. 85
  16. 15
  17. 1/2
  18. 4/5
  19. 70
  20. 40
  21. 0.2
  22. 0.85
  23. 0.4
  24. 7/8
  25. 45
  26. 10
  27. 4/5
  28. 1/8
  29. 60
  30. 60
  31. 55
  32. 9/10
  33. 0.05
  34. 85
  35. 10
  36. 40
  37. 0.55
  38. 3/8
  39. 75
  40. 3/20

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