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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 774 · 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. 1.8 is what percent of 40?
  2. 2.44 is what percent of 80?
  3. 3.18 is what percent of 20?
  4. 4.?% of 150 = 24
  5. 5.?% of 40 = 20
  6. 6.What percent of 500 is 350?
  7. 7.5 is what percent of 25?
  8. 8.?% of 20 = 19
  9. 9.?% of 50 = 10
  10. 10.What percent of 300 is 204?
  11. 11.What percent of 60 is 6?
  12. 12.What percent of 20 is 16?
  13. 13.?% of 20 = 11
  14. 14.What percent of 200 is 120?
  15. 15.24 is what percent of 40?
  16. 16.42 is what percent of 60?
  17. 17.14 is what percent of 25?
  18. 18.165 is what percent of 300?
  19. 19.What percent of 25 is 12?
  20. 20.What percent of 300 is 66?
  21. 21.What percent of 200 is 168?
  22. 22.?% of 400 = 240
  23. 23.?% of 150 = 45
  24. 24.?% of 25 = 3
  25. 25.116 is what percent of 400?
  26. 26.4 is what percent of 25?
  27. 27.?% of 200 = 120
  28. 28.What percent of 20 is 5?
  29. 29.?% of 400 = 128
  30. 30.5 is what percent of 20?
  31. 31.What percent of 20 is 17?
  32. 32.What percent of 150 is 69?
  33. 33.What percent of 80 is 76?
  34. 34.What percent of 80 is 64?
  35. 35.?% of 150 = 108
  36. 36.What percent of 40 is 34?
  37. 37.What percent of 200 is 76?
  38. 38.19 is what percent of 20?
  39. 39.What percent of 50 is 14?
  40. 40.?% of 300 = 237

Answer key

  1. 20
  2. 55
  3. 90
  4. 16
  5. 50
  6. 70
  7. 20
  8. 95
  9. 20
  10. 68
  11. 10
  12. 80
  13. 55
  14. 60
  15. 60
  16. 70
  17. 56
  18. 55
  19. 48
  20. 22
  21. 84
  22. 60
  23. 30
  24. 12
  25. 29
  26. 16
  27. 60
  28. 25
  29. 32
  30. 25
  31. 85
  32. 46
  33. 95
  34. 80
  35. 72
  36. 85
  37. 38
  38. 95
  39. 28
  40. 79

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