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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 776 · 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 120 is 66?
  2. 2.?% of 20 = 6
  3. 3.?% of 25 = 22
  4. 4.?% of 120 = 72
  5. 5.8 is what percent of 50?
  6. 6.?% of 80 = 28
  7. 7.108 is what percent of 150?
  8. 8.What percent of 25 is 2?
  9. 9.What percent of 150 is 138?
  10. 10.What percent of 200 is 126?
  11. 11.What percent of 400 is 144?
  12. 12.110 is what percent of 250?
  13. 13.What percent of 40 is 32?
  14. 14.195 is what percent of 250?
  15. 15.141 is what percent of 150?
  16. 16.45 is what percent of 250?
  17. 17.What percent of 500 is 465?
  18. 18.What percent of 120 is 54?
  19. 19.12 is what percent of 20?
  20. 20.125 is what percent of 250?
  21. 21.?% of 20 = 10
  22. 22.What percent of 60 is 6?
  23. 23.12 is what percent of 60?
  24. 24.171 is what percent of 300?
  25. 25.What percent of 40 is 10?
  26. 26.?% of 500 = 135
  27. 27.35 is what percent of 250?
  28. 28.?% of 20 = 2
  29. 29.?% of 80 = 64
  30. 30.78 is what percent of 150?
  31. 31.51 is what percent of 60?
  32. 32.?% of 250 = 220
  33. 33.What percent of 80 is 60?
  34. 34.?% of 25 = 18
  35. 35.What percent of 40 is 36?
  36. 36.205 is what percent of 500?
  37. 37.?% of 150 = 90
  38. 38.What percent of 120 is 108?
  39. 39.What percent of 120 is 24?
  40. 40.6 is what percent of 20?

Answer key

  1. 55
  2. 30
  3. 88
  4. 60
  5. 16
  6. 35
  7. 72
  8. 8
  9. 92
  10. 63
  11. 36
  12. 44
  13. 80
  14. 78
  15. 94
  16. 18
  17. 93
  18. 45
  19. 60
  20. 50
  21. 50
  22. 10
  23. 20
  24. 57
  25. 25
  26. 27
  27. 14
  28. 10
  29. 80
  30. 52
  31. 85
  32. 88
  33. 75
  34. 72
  35. 90
  36. 41
  37. 60
  38. 90
  39. 20
  40. 30

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