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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 612 · 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.Which fraction is 0.45? (a) 7/8 (b) 3/5 (c) 7/10 (d) 9/20
  2. 2.0.5 as a percent =
  3. 3.60% as a decimal =
  4. 4.13/20 as a percent =
  5. 5.Which fraction is 0.75? (a) 1/10 (b) 3/4 (c) 9/10 (d) 1/20
  6. 6.0.7 as a percent =
  7. 7.19/20 as a percent =
  8. 8.7/20 as a percent =
  9. 9.7/20 as a percent =
  10. 10.0.55 as a percent =
  11. 11.25% as a decimal =
  12. 12.Which fraction is 0.625? (a) 1/4 (b) 3/4 (c) 5/8 (d) 3/5
  13. 13.19/20 as a percent =
  14. 14.0.1 as a percent =
  15. 15.0.75 as a percent =
  16. 16.5/8 as a percent =
  17. 17.0.55 as a percent =
  18. 18.90% as a decimal =
  19. 19.25% as a decimal =
  20. 20.70% as a decimal =
  21. 21.2/5 as a percent =
  22. 22.Which fraction is 0.75? (a) 1/2 (b) 3/8 (c) 1/5 (d) 3/4
  23. 23.70% as a decimal =
  24. 24.17/20 as a percent =
  25. 25.0.55 as a percent =
  26. 26.1/5 as a percent =
  27. 27.2/5 as a percent =
  28. 28.Which fraction is 0.7? (a) 7/10 (b) 3/20 (c) 3/4 (d) 1/10
  29. 29.50% as a decimal =
  30. 30.0.875 as a percent =
  31. 31.10% as a decimal =
  32. 32.65% as a decimal =
  33. 33.12.5% as a decimal =
  34. 34.Which fraction is 87.5%? (a) 4/5 (b) 3/10 (c) 7/8 (d) 1/8
  35. 35.70% as a decimal =
  36. 36.Which fraction is 0.55? (a) 4/5 (b) 3/10 (c) 9/20 (d) 11/20
  37. 37.0.7 as a percent =
  38. 38.12.5% as a decimal =
  39. 39.Which fraction is 40%? (a) 11/20 (b) 1/10 (c) 1/5 (d) 2/5
  40. 40.0.95 as a percent =

Answer key

  1. 9/20
  2. 50
  3. 0.6
  4. 65
  5. 3/4
  6. 70
  7. 95
  8. 35
  9. 35
  10. 55
  11. 0.25
  12. 5/8
  13. 95
  14. 10
  15. 75
  16. 62.5
  17. 55
  18. 0.9
  19. 0.25
  20. 0.7
  21. 40
  22. 3/4
  23. 0.7
  24. 85
  25. 55
  26. 20
  27. 40
  28. 7/10
  29. 0.5
  30. 87.5
  31. 0.1
  32. 0.65
  33. 0.125
  34. 7/8
  35. 0.7
  36. 11/20
  37. 70
  38. 0.125
  39. 2/5
  40. 95

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