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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 782 · 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. 1.25% as a decimal =
  2. 2.7/10 as a percent =
  3. 3.90% as a decimal =
  4. 4.90% as a decimal =
  5. 5.75% as a decimal =
  6. 6.9/20 as a percent =
  7. 7.17/20 as a percent =
  8. 8.1/10 as a percent =
  9. 9.20% as a decimal =
  10. 10.9/20 as a percent =
  11. 11.0.85 as a percent =
  12. 12.0.55 as a percent =
  13. 13.Which fraction is 0.85? (a) 17/20 (b) 1/5 (c) 1/4 (d) 2/5
  14. 14.Which fraction is 35%? (a) 1/5 (b) 2/5 (c) 7/20 (d) 1/10
  15. 15.0.7 as a percent =
  16. 16.0.375 as a percent =
  17. 17.Which fraction is 90%? (a) 9/10 (b) 3/5 (c) 3/20 (d) 1/20
  18. 18.40% as a decimal =
  19. 19.Which fraction is 60%? (a) 5/8 (b) 4/5 (c) 19/20 (d) 3/5
  20. 20.0.55 as a percent =
  21. 21.12.5% as a decimal =
  22. 22.40% as a decimal =
  23. 23.1/5 as a percent =
  24. 24.0.9 as a percent =
  25. 25.50% as a decimal =
  26. 26.Which fraction is 0.125? (a) 11/20 (b) 3/20 (c) 9/10 (d) 1/8
  27. 27.1/4 as a percent =
  28. 28.0.25 as a percent =
  29. 29.87.5% as a decimal =
  30. 30.9/20 as a percent =
  31. 31.85% as a decimal =
  32. 32.3/8 as a percent =
  33. 33.Which fraction is 0.1? (a) 1/10 (b) 19/20 (c) 3/8 (d) 1/2
  34. 34.95% as a decimal =
  35. 35.90% as a decimal =
  36. 36.Which fraction is 50%? (a) 3/4 (b) 1/2 (c) 1/10 (d) 9/20
  37. 37.0.8 as a percent =
  38. 38.50% as a decimal =
  39. 39.7/10 as a percent =
  40. 40.25% as a decimal =

Answer key

  1. 0.25
  2. 70
  3. 0.9
  4. 0.9
  5. 0.75
  6. 45
  7. 85
  8. 10
  9. 0.2
  10. 45
  11. 85
  12. 55
  13. 17/20
  14. 7/20
  15. 70
  16. 37.5
  17. 9/10
  18. 0.4
  19. 3/5
  20. 55
  21. 0.125
  22. 0.4
  23. 20
  24. 90
  25. 0.5
  26. 1/8
  27. 25
  28. 25
  29. 0.875
  30. 45
  31. 0.85
  32. 37.5
  33. 1/10
  34. 0.95
  35. 0.9
  36. 1/2
  37. 80
  38. 0.5
  39. 70
  40. 0.25

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