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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 562 · 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. 2.3/5 as a percent =
  3. 3.0.55 as a percent =
  4. 4.0.75 as a percent =
  5. 5.7/10 as a percent =
  6. 6.45% as a decimal =
  7. 7.45% as a decimal =
  8. 8.0.8 as a percent =
  9. 9.0.1 as a percent =
  10. 10.Which fraction is 0.45? (a) 3/8 (b) 3/5 (c) 1/10 (d) 9/20
  11. 11.10% as a decimal =
  12. 12.35% as a decimal =
  13. 13.75% as a decimal =
  14. 14.Which fraction is 70%? (a) 9/10 (b) 3/20 (c) 7/10 (d) 13/20
  15. 15.9/10 as a percent =
  16. 16.0.4 as a percent =
  17. 17.3/20 as a percent =
  18. 18.3/4 as a percent =
  19. 19.Which fraction is 95%? (a) 19/20 (b) 7/10 (c) 1/5 (d) 2/5
  20. 20.9/10 as a percent =
  21. 21.3/8 as a percent =
  22. 22.0.375 as a percent =
  23. 23.40% as a decimal =
  24. 24.Which fraction is 0.75? (a) 1/5 (b) 1/4 (c) 3/4 (d) 1/2
  25. 25.55% as a decimal =
  26. 26.1/2 as a percent =
  27. 27.1/8 as a percent =
  28. 28.45% as a decimal =
  29. 29.70% as a decimal =
  30. 30.4/5 as a percent =
  31. 31.1/8 as a percent =
  32. 32.0.8 as a percent =
  33. 33.Which fraction is 0.1? (a) 1/10 (b) 1/5 (c) 2/5 (d) 17/20
  34. 34.Which fraction is 0.9? (a) 11/20 (b) 7/10 (c) 9/10 (d) 3/5
  35. 35.Which fraction is 45%? (a) 9/20 (b) 17/20 (c) 1/4 (d) 7/10
  36. 36.Which fraction is 37.5%? (a) 3/8 (b) 1/8 (c) 7/20 (d) 1/20
  37. 37.9/10 as a percent =
  38. 38.0.25 as a percent =
  39. 39.0.1 as a percent =
  40. 40.Which fraction is 0.55? (a) 7/8 (b) 11/20 (c) 1/10 (d) 3/8

Answer key

  1. 10
  2. 60
  3. 55
  4. 75
  5. 70
  6. 0.45
  7. 0.45
  8. 80
  9. 10
  10. 9/20
  11. 0.1
  12. 0.35
  13. 0.75
  14. 7/10
  15. 90
  16. 40
  17. 15
  18. 75
  19. 19/20
  20. 90
  21. 37.5
  22. 37.5
  23. 0.4
  24. 3/4
  25. 0.55
  26. 50
  27. 12.5
  28. 0.45
  29. 0.7
  30. 80
  31. 12.5
  32. 80
  33. 1/10
  34. 9/10
  35. 9/20
  36. 3/8
  37. 90
  38. 25
  39. 10
  40. 11/20

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