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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 946 · 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. 1.60% as a decimal =
  2. 2.Which fraction is 90%? (a) 7/20 (b) 9/10 (c) 3/4 (d) 7/10
  3. 3.5% as a decimal =
  4. 4.11/20 as a percent =
  5. 5.0.55 as a percent =
  6. 6.0.05 as a percent =
  7. 7.0.4 as a percent =
  8. 8.0.45 as a percent =
  9. 9.87.5% as a decimal =
  10. 10.Which fraction is 0.5? (a) 1/8 (b) 3/5 (c) 1/2 (d) 13/20
  11. 11.3/10 as a percent =
  12. 12.62.5% as a decimal =
  13. 13.0.4 as a percent =
  14. 14.0.25 as a percent =
  15. 15.62.5% as a decimal =
  16. 16.12.5% as a decimal =
  17. 17.9/10 as a percent =
  18. 18.Which fraction is 20%? (a) 1/5 (b) 17/20 (c) 7/10 (d) 3/5
  19. 19.0.625 as a percent =
  20. 20.87.5% as a decimal =
  21. 21.Which fraction is 0.875? (a) 13/20 (b) 1/8 (c) 1/20 (d) 7/8
  22. 22.80% as a decimal =
  23. 23.17/20 as a percent =
  24. 24.0.35 as a percent =
  25. 25.4/5 as a percent =
  26. 26.0.25 as a percent =
  27. 27.1/8 as a percent =
  28. 28.40% as a decimal =
  29. 29.3/8 as a percent =
  30. 30.0.65 as a percent =
  31. 31.40% as a decimal =
  32. 32.62.5% as a decimal =
  33. 33.3/4 as a percent =
  34. 34.Which fraction is 75%? (a) 3/5 (b) 3/4 (c) 11/20 (d) 13/20
  35. 35.0.25 as a percent =
  36. 36.Which fraction is 0.1? (a) 2/5 (b) 1/10 (c) 7/8 (d) 17/20
  37. 37.0.125 as a percent =
  38. 38.5% as a decimal =
  39. 39.Which fraction is 0.3? (a) 13/20 (b) 1/5 (c) 1/10 (d) 3/10
  40. 40.Which fraction is 0.15? (a) 1/10 (b) 3/20 (c) 19/20 (d) 4/5

Answer key

  1. 0.6
  2. 9/10
  3. 0.05
  4. 55
  5. 55
  6. 5
  7. 40
  8. 45
  9. 0.875
  10. 1/2
  11. 30
  12. 0.625
  13. 40
  14. 25
  15. 0.625
  16. 0.125
  17. 90
  18. 1/5
  19. 62.5
  20. 0.875
  21. 7/8
  22. 0.8
  23. 85
  24. 35
  25. 80
  26. 25
  27. 12.5
  28. 0.4
  29. 37.5
  30. 65
  31. 0.4
  32. 0.625
  33. 75
  34. 3/4
  35. 25
  36. 1/10
  37. 12.5
  38. 0.05
  39. 3/10
  40. 3/20

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