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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 866 · 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. 1.215 is what percent of 250?
  2. 2.?% of 40 = 10
  3. 3.?% of 500 = 80
  4. 4.?% of 25 = 15
  5. 5.?% of 120 = 96
  6. 6.?% of 400 = 244
  7. 7.What percent of 120 is 12?
  8. 8.What percent of 500 is 60?
  9. 9.18 is what percent of 25?
  10. 10.What percent of 40 is 32?
  11. 11.?% of 500 = 345
  12. 12.What percent of 200 is 22?
  13. 13.?% of 20 = 10
  14. 14.?% of 80 = 20
  15. 15.What percent of 150 is 48?
  16. 16.110 is what percent of 500?
  17. 17.?% of 25 = 11
  18. 18.What percent of 200 is 168?
  19. 19.What percent of 400 is 304?
  20. 20.What percent of 25 is 19?
  21. 21.?% of 60 = 48
  22. 22.?% of 50 = 43
  23. 23.?% of 80 = 72
  24. 24.?% of 25 = 23
  25. 25.114 is what percent of 200?
  26. 26.What percent of 40 is 30?
  27. 27.?% of 150 = 66
  28. 28.What percent of 60 is 36?
  29. 29.What percent of 200 is 10?
  30. 30.?% of 80 = 4
  31. 31.What percent of 120 is 90?
  32. 32.?% of 50 = 10
  33. 33.440 is what percent of 500?
  34. 34.?% of 500 = 275
  35. 35.60 is what percent of 120?
  36. 36.What percent of 400 is 308?
  37. 37.110 is what percent of 250?
  38. 38.?% of 250 = 185
  39. 39.?% of 500 = 370
  40. 40.2 is what percent of 20?

Answer key

  1. 86
  2. 25
  3. 16
  4. 60
  5. 80
  6. 61
  7. 10
  8. 12
  9. 72
  10. 80
  11. 69
  12. 11
  13. 50
  14. 25
  15. 32
  16. 22
  17. 44
  18. 84
  19. 76
  20. 76
  21. 80
  22. 86
  23. 90
  24. 92
  25. 57
  26. 75
  27. 44
  28. 60
  29. 5
  30. 5
  31. 75
  32. 20
  33. 88
  34. 55
  35. 50
  36. 77
  37. 44
  38. 74
  39. 74
  40. 10

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