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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 789 · 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. 1.18 is what percent of 20?
  2. 2.30 is what percent of 120?
  3. 3.42 is what percent of 150?
  4. 4.?% of 40 = 18
  5. 5.2 is what percent of 40?
  6. 6.?% of 200 = 92
  7. 7.What percent of 60 is 33?
  8. 8.What percent of 25 is 7?
  9. 9.What percent of 60 is 6?
  10. 10.What percent of 250 is 215?
  11. 11.25 is what percent of 500?
  12. 12.?% of 400 = 60
  13. 13.What percent of 50 is 29?
  14. 14.4 is what percent of 20?
  15. 15.18 is what percent of 25?
  16. 16.28 is what percent of 40?
  17. 17.276 is what percent of 300?
  18. 18.?% of 500 = 110
  19. 19.What percent of 400 is 172?
  20. 20.What percent of 120 is 108?
  21. 21.?% of 50 = 9
  22. 22.What percent of 400 is 176?
  23. 23.36 is what percent of 40?
  24. 24.What percent of 40 is 36?
  25. 25.34 is what percent of 40?
  26. 26.6 is what percent of 20?
  27. 27.?% of 300 = 216
  28. 28.What percent of 150 is 66?
  29. 29.What percent of 80 is 8?
  30. 30.What percent of 50 is 45?
  31. 31.What percent of 300 is 150?
  32. 32.?% of 60 = 27
  33. 33.?% of 20 = 16
  34. 34.?% of 20 = 3
  35. 35.?% of 40 = 8
  36. 36.?% of 50 = 5
  37. 37.?% of 50 = 19
  38. 38.102 is what percent of 120?
  39. 39.?% of 300 = 111
  40. 40.?% of 250 = 150

Answer key

  1. 90
  2. 25
  3. 28
  4. 45
  5. 5
  6. 46
  7. 55
  8. 28
  9. 10
  10. 86
  11. 5
  12. 15
  13. 58
  14. 20
  15. 72
  16. 70
  17. 92
  18. 22
  19. 43
  20. 90
  21. 18
  22. 44
  23. 90
  24. 90
  25. 85
  26. 30
  27. 72
  28. 44
  29. 10
  30. 90
  31. 50
  32. 45
  33. 80
  34. 15
  35. 20
  36. 10
  37. 38
  38. 85
  39. 37
  40. 60

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