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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 496 · 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 150 is 30?
  2. 2.?% of 40 = 8
  3. 3.?% of 25 = 19
  4. 4.What percent of 500 is 100?
  5. 5.?% of 50 = 11
  6. 6.?% of 150 = 90
  7. 7.15 is what percent of 20?
  8. 8.?% of 60 = 33
  9. 9.What percent of 120 is 6?
  10. 10.?% of 80 = 64
  11. 11.What percent of 250 is 40?
  12. 12.17 is what percent of 25?
  13. 13.What percent of 250 is 15?
  14. 14.32 is what percent of 40?
  15. 15.17 is what percent of 20?
  16. 16.?% of 20 = 8
  17. 17.60 is what percent of 120?
  18. 18.What percent of 150 is 60?
  19. 19.?% of 50 = 20
  20. 20.21 is what percent of 150?
  21. 21.255 is what percent of 300?
  22. 22.What percent of 40 is 34?
  23. 23.?% of 500 = 150
  24. 24.54 is what percent of 60?
  25. 25.?% of 400 = 124
  26. 26.102 is what percent of 120?
  27. 27.What percent of 120 is 36?
  28. 28.What percent of 500 is 140?
  29. 29.190 is what percent of 250?
  30. 30.What percent of 250 is 135?
  31. 31.?% of 120 = 78
  32. 32.What percent of 500 is 410?
  33. 33.What percent of 50 is 41?
  34. 34.?% of 80 = 56
  35. 35.42 is what percent of 150?
  36. 36.What percent of 120 is 66?
  37. 37.What percent of 400 is 180?
  38. 38.What percent of 150 is 21?
  39. 39.?% of 20 = 3
  40. 40.What percent of 25 is 10?

Answer key

  1. 20
  2. 20
  3. 76
  4. 20
  5. 22
  6. 60
  7. 75
  8. 55
  9. 5
  10. 80
  11. 16
  12. 68
  13. 6
  14. 80
  15. 85
  16. 40
  17. 50
  18. 40
  19. 40
  20. 14
  21. 85
  22. 85
  23. 30
  24. 90
  25. 31
  26. 85
  27. 30
  28. 28
  29. 76
  30. 54
  31. 65
  32. 82
  33. 82
  34. 70
  35. 28
  36. 55
  37. 45
  38. 14
  39. 15
  40. 40

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