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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 47 · 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. 1.90 is what percent of 120?
  2. 2.What percent of 400 is 380?
  3. 3.?% of 20 = 8
  4. 4.78 is what percent of 120?
  5. 5.What percent of 80 is 12?
  6. 6.What percent of 40 is 24?
  7. 7.?% of 20 = 14
  8. 8.?% of 40 = 28
  9. 9.?% of 400 = 132
  10. 10.2 is what percent of 40?
  11. 11.125 is what percent of 500?
  12. 12.What percent of 80 is 76?
  13. 13.What percent of 20 is 8?
  14. 14.What percent of 400 is 304?
  15. 15.17 is what percent of 20?
  16. 16.What percent of 150 is 45?
  17. 17.What percent of 300 is 90?
  18. 18.?% of 200 = 20
  19. 19.?% of 400 = 176
  20. 20.?% of 500 = 215
  21. 21.?% of 250 = 70
  22. 22.What percent of 150 is 102?
  23. 23.What percent of 500 is 435?
  24. 24.What percent of 80 is 32?
  25. 25.?% of 400 = 188
  26. 26.?% of 300 = 93
  27. 27.What percent of 25 is 6?
  28. 28.15 is what percent of 20?
  29. 29.What percent of 50 is 32?
  30. 30.What percent of 20 is 5?
  31. 31.What percent of 400 is 248?
  32. 32.?% of 120 = 18
  33. 33.144 is what percent of 200?
  34. 34.?% of 200 = 124
  35. 35.?% of 250 = 90
  36. 36.?% of 25 = 15
  37. 37.What percent of 20 is 11?
  38. 38.?% of 40 = 18
  39. 39.23 is what percent of 50?
  40. 40.What percent of 250 is 105?

Answer key

  1. 75
  2. 95
  3. 40
  4. 65
  5. 15
  6. 60
  7. 70
  8. 70
  9. 33
  10. 5
  11. 25
  12. 95
  13. 40
  14. 76
  15. 85
  16. 30
  17. 30
  18. 10
  19. 44
  20. 43
  21. 28
  22. 68
  23. 87
  24. 40
  25. 47
  26. 31
  27. 24
  28. 75
  29. 64
  30. 25
  31. 62
  32. 15
  33. 72
  34. 62
  35. 36
  36. 60
  37. 55
  38. 45
  39. 46
  40. 42

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