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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 717 · 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. 1.40% as a decimal =
  2. 2.Which fraction is 12.5%? (a) 1/8 (b) 3/20 (c) 1/4 (d) 3/5
  3. 3.Which fraction is 0.875? (a) 17/20 (b) 7/8 (c) 1/10 (d) 9/10
  4. 4.15% as a decimal =
  5. 5.45% as a decimal =
  6. 6.90% as a decimal =
  7. 7.0.3 as a percent =
  8. 8.0.85 as a percent =
  9. 9.1/5 as a percent =
  10. 10.40% as a decimal =
  11. 11.35% as a decimal =
  12. 12.Which fraction is 0.55? (a) 3/8 (b) 2/5 (c) 4/5 (d) 11/20
  13. 13.Which fraction is 0.5? (a) 7/8 (b) 1/2 (c) 5/8 (d) 1/8
  14. 14.0.3 as a percent =
  15. 15.0.375 as a percent =
  16. 16.85% as a decimal =
  17. 17.Which fraction is 90%? (a) 1/8 (b) 9/10 (c) 13/20 (d) 9/20
  18. 18.0.5 as a percent =
  19. 19.Which fraction is 0.65? (a) 1/2 (b) 19/20 (c) 13/20 (d) 3/20
  20. 20.9/10 as a percent =
  21. 21.0.1 as a percent =
  22. 22.5/8 as a percent =
  23. 23.0.3 as a percent =
  24. 24.Which fraction is 90%? (a) 11/20 (b) 3/20 (c) 3/4 (d) 9/10
  25. 25.45% as a decimal =
  26. 26.Which fraction is 0.875? (a) 3/20 (b) 7/8 (c) 4/5 (d) 17/20
  27. 27.Which fraction is 60%? (a) 3/8 (b) 11/20 (c) 3/5 (d) 3/4
  28. 28.95% as a decimal =
  29. 29.65% as a decimal =
  30. 30.0.1 as a percent =
  31. 31.9/10 as a percent =
  32. 32.0.65 as a percent =
  33. 33.7/10 as a percent =
  34. 34.0.2 as a percent =
  35. 35.13/20 as a percent =
  36. 36.1/8 as a percent =
  37. 37.0.6 as a percent =
  38. 38.17/20 as a percent =
  39. 39.2/5 as a percent =
  40. 40.0.4 as a percent =

Answer key

  1. 0.4
  2. 1/8
  3. 7/8
  4. 0.15
  5. 0.45
  6. 0.9
  7. 30
  8. 85
  9. 20
  10. 0.4
  11. 0.35
  12. 11/20
  13. 1/2
  14. 30
  15. 37.5
  16. 0.85
  17. 9/10
  18. 50
  19. 13/20
  20. 90
  21. 10
  22. 62.5
  23. 30
  24. 9/10
  25. 0.45
  26. 7/8
  27. 3/5
  28. 0.95
  29. 0.65
  30. 10
  31. 90
  32. 65
  33. 70
  34. 20
  35. 65
  36. 12.5
  37. 60
  38. 85
  39. 40
  40. 40

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