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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 980 · 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 20 is 10?
  2. 2.1 is what percent of 20?
  3. 3.What percent of 150 is 24?
  4. 4.What percent of 300 is 105?
  5. 5.30 is what percent of 40?
  6. 6.What percent of 400 is 316?
  7. 7.?% of 400 = 320
  8. 8.What percent of 300 is 123?
  9. 9.?% of 25 = 20
  10. 10.What percent of 25 is 7?
  11. 11.65 is what percent of 250?
  12. 12.What percent of 25 is 23?
  13. 13.7 is what percent of 20?
  14. 14.?% of 40 = 24
  15. 15.?% of 250 = 80
  16. 16.What percent of 500 is 325?
  17. 17.?% of 25 = 22
  18. 18.230 is what percent of 500?
  19. 19.What percent of 20 is 7?
  20. 20.?% of 300 = 183
  21. 21.What percent of 200 is 152?
  22. 22.144 is what percent of 200?
  23. 23.?% of 300 = 282
  24. 24.57 is what percent of 60?
  25. 25.16 is what percent of 40?
  26. 26.16 is what percent of 20?
  27. 27.52 is what percent of 80?
  28. 28.What percent of 50 is 30?
  29. 29.What percent of 150 is 12?
  30. 30.54 is what percent of 60?
  31. 31.What percent of 150 is 27?
  32. 32.?% of 40 = 38
  33. 33.What percent of 500 is 50?
  34. 34.What percent of 120 is 24?
  35. 35.What percent of 25 is 11?
  36. 36.?% of 250 = 140
  37. 37.?% of 500 = 220
  38. 38.?% of 60 = 9
  39. 39.?% of 80 = 72
  40. 40.What percent of 60 is 18?

Answer key

  1. 50
  2. 5
  3. 16
  4. 35
  5. 75
  6. 79
  7. 80
  8. 41
  9. 80
  10. 28
  11. 26
  12. 92
  13. 35
  14. 60
  15. 32
  16. 65
  17. 88
  18. 46
  19. 35
  20. 61
  21. 76
  22. 72
  23. 94
  24. 95
  25. 40
  26. 80
  27. 65
  28. 60
  29. 8
  30. 90
  31. 18
  32. 95
  33. 10
  34. 20
  35. 44
  36. 56
  37. 44
  38. 15
  39. 90
  40. 30

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