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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 636 · 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.What percent of 40 is 30?
  2. 2.78 is what percent of 300?
  3. 3.18 is what percent of 40?
  4. 4.?% of 80 = 48
  5. 5.150 is what percent of 300?
  6. 6.What percent of 300 is 240?
  7. 7.?% of 150 = 9
  8. 8.16 is what percent of 20?
  9. 9.?% of 500 = 415
  10. 10.What percent of 300 is 195?
  11. 11.256 is what percent of 400?
  12. 12.?% of 50 = 11
  13. 13.42 is what percent of 300?
  14. 14.?% of 150 = 99
  15. 15.What percent of 250 is 105?
  16. 16.What percent of 120 is 30?
  17. 17.What percent of 200 is 68?
  18. 18.?% of 80 = 36
  19. 19.What percent of 50 is 9?
  20. 20.What percent of 50 is 24?
  21. 21.48 is what percent of 120?
  22. 22.45 is what percent of 50?
  23. 23.25 is what percent of 250?
  24. 24.24 is what percent of 40?
  25. 25.What percent of 250 is 60?
  26. 26.What percent of 20 is 1?
  27. 27.100 is what percent of 250?
  28. 28.?% of 300 = 180
  29. 29.?% of 60 = 12
  30. 30.What percent of 250 is 35?
  31. 31.What percent of 120 is 96?
  32. 32.What percent of 250 is 210?
  33. 33.?% of 120 = 24
  34. 34.15 is what percent of 25?
  35. 35.?% of 60 = 15
  36. 36.What percent of 80 is 8?
  37. 37.What percent of 300 is 75?
  38. 38.2 is what percent of 25?
  39. 39.15 is what percent of 20?
  40. 40.?% of 80 = 12

Answer key

  1. 75
  2. 26
  3. 45
  4. 60
  5. 50
  6. 80
  7. 6
  8. 80
  9. 83
  10. 65
  11. 64
  12. 22
  13. 14
  14. 66
  15. 42
  16. 25
  17. 34
  18. 45
  19. 18
  20. 48
  21. 40
  22. 90
  23. 10
  24. 60
  25. 24
  26. 5
  27. 40
  28. 60
  29. 20
  30. 14
  31. 80
  32. 84
  33. 20
  34. 60
  35. 25
  36. 10
  37. 25
  38. 8
  39. 75
  40. 15

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