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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 298 · 40 questions
TalentJR

How to work it out (Part over whole): Find the whole (the number after “of”) and the part. Percent = part ÷ whole × 100. Multiply the part by 100 first, then divide by the whole: 18 × 100 = 1800, and 1800 ÷ 72 = 25, so 25%.

NameDateTime takenScore ___ / 40
  1. 1.4 is what percent of 40?
  2. 2.What percent of 25 is 3?
  3. 3.What percent of 50 is 18?
  4. 4.?% of 20 = 12
  5. 5.What percent of 40 is 30?
  6. 6.What percent of 120 is 102?
  7. 7.90 is what percent of 500?
  8. 8.8 is what percent of 25?
  9. 9.?% of 300 = 90
  10. 10.?% of 500 = 265
  11. 11.?% of 500 = 390
  12. 12.What percent of 50 is 21?
  13. 13.180 is what percent of 500?
  14. 14.What percent of 20 is 12?
  15. 15.?% of 20 = 18
  16. 16.?% of 25 = 14
  17. 17.What percent of 300 is 165?
  18. 18.81 is what percent of 300?
  19. 19.?% of 150 = 39
  20. 20.?% of 80 = 28
  21. 21.What percent of 150 is 105?
  22. 22.?% of 80 = 32
  23. 23.What percent of 80 is 4?
  24. 24.?% of 40 = 38
  25. 25.What percent of 50 is 27?
  26. 26.?% of 25 = 9
  27. 27.41 is what percent of 50?
  28. 28.What percent of 500 is 285?
  29. 29.What percent of 500 is 255?
  30. 30.What percent of 25 is 10?
  31. 31.What percent of 50 is 9?
  32. 32.What percent of 150 is 87?
  33. 33.What percent of 200 is 66?
  34. 34.?% of 120 = 6
  35. 35.1 is what percent of 20?
  36. 36.?% of 80 = 12
  37. 37.What percent of 20 is 13?
  38. 38.198 is what percent of 300?
  39. 39.39 is what percent of 50?
  40. 40.236 is what percent of 400?

Answer key

  1. 10
  2. 12
  3. 36
  4. 60
  5. 75
  6. 85
  7. 18
  8. 32
  9. 30
  10. 53
  11. 78
  12. 42
  13. 36
  14. 60
  15. 90
  16. 56
  17. 55
  18. 27
  19. 26
  20. 35
  21. 70
  22. 40
  23. 5
  24. 95
  25. 54
  26. 36
  27. 82
  28. 57
  29. 51
  30. 40
  31. 18
  32. 58
  33. 33
  34. 5
  35. 5
  36. 15
  37. 65
  38. 66
  39. 78
  40. 59

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