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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 699 · 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 20?
  2. 2.?% of 80 = 60
  3. 3.What percent of 400 is 144?
  4. 4.22 is what percent of 40?
  5. 5.?% of 300 = 99
  6. 6.?% of 20 = 5
  7. 7.400 is what percent of 500?
  8. 8.?% of 25 = 20
  9. 9.?% of 400 = 140
  10. 10.What percent of 150 is 90?
  11. 11.?% of 120 = 114
  12. 12.?% of 50 = 21
  13. 13.What percent of 60 is 15?
  14. 14.What percent of 400 is 84?
  15. 15.What percent of 40 is 32?
  16. 16.130 is what percent of 250?
  17. 17.?% of 50 = 14
  18. 18.75 is what percent of 500?
  19. 19.What percent of 120 is 84?
  20. 20.What percent of 500 is 365?
  21. 21.?% of 50 = 13
  22. 22.What percent of 20 is 18?
  23. 23.?% of 40 = 24
  24. 24.5 is what percent of 25?
  25. 25.240 is what percent of 500?
  26. 26.What percent of 25 is 7?
  27. 27.?% of 50 = 44
  28. 28.What percent of 500 is 280?
  29. 29.?% of 80 = 36
  30. 30.What percent of 80 is 48?
  31. 31.6 is what percent of 120?
  32. 32.190 is what percent of 500?
  33. 33.?% of 150 = 81
  34. 34.?% of 50 = 11
  35. 35.?% of 250 = 15
  36. 36.?% of 20 = 18
  37. 37.?% of 50 = 7
  38. 38.?% of 20 = 11
  39. 39.?% of 200 = 36
  40. 40.4 is what percent of 40?

Answer key

  1. 50
  2. 75
  3. 36
  4. 55
  5. 33
  6. 25
  7. 80
  8. 80
  9. 35
  10. 60
  11. 95
  12. 42
  13. 25
  14. 21
  15. 80
  16. 52
  17. 28
  18. 15
  19. 70
  20. 73
  21. 26
  22. 90
  23. 60
  24. 20
  25. 48
  26. 28
  27. 88
  28. 56
  29. 45
  30. 60
  31. 5
  32. 38
  33. 54
  34. 22
  35. 6
  36. 90
  37. 14
  38. 55
  39. 18
  40. 10

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