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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 68 · 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 25 is 4?
  2. 2.?% of 150 = 72
  3. 3.15 is what percent of 25?
  4. 4.What percent of 25 is 2?
  5. 5.What percent of 80 is 4?
  6. 6.?% of 50 = 21
  7. 7.?% of 50 = 44
  8. 8.What percent of 500 is 245?
  9. 9.?% of 500 = 375
  10. 10.What percent of 200 is 64?
  11. 11.?% of 400 = 76
  12. 12.?% of 20 = 7
  13. 13.?% of 120 = 66
  14. 14.What percent of 300 is 105?
  15. 15.8 is what percent of 40?
  16. 16.What percent of 500 is 405?
  17. 17.?% of 250 = 55
  18. 18.What percent of 20 is 3?
  19. 19.What percent of 250 is 200?
  20. 20.?% of 40 = 28
  21. 21.?% of 500 = 60
  22. 22.?% of 20 = 3
  23. 23.20 is what percent of 40?
  24. 24.What percent of 300 is 81?
  25. 25.135 is what percent of 250?
  26. 26.?% of 500 = 345
  27. 27.36 is what percent of 120?
  28. 28.?% of 150 = 45
  29. 29.?% of 200 = 174
  30. 30.11 is what percent of 25?
  31. 31.What percent of 40 is 32?
  32. 32.What percent of 40 is 12?
  33. 33.192 is what percent of 400?
  34. 34.?% of 60 = 45
  35. 35.32 is what percent of 50?
  36. 36.?% of 150 = 66
  37. 37.What percent of 20 is 9?
  38. 38.?% of 25 = 17
  39. 39.What percent of 80 is 28?
  40. 40.44 is what percent of 80?

Answer key

  1. 16
  2. 48
  3. 60
  4. 8
  5. 5
  6. 42
  7. 88
  8. 49
  9. 75
  10. 32
  11. 19
  12. 35
  13. 55
  14. 35
  15. 20
  16. 81
  17. 22
  18. 15
  19. 80
  20. 70
  21. 12
  22. 15
  23. 50
  24. 27
  25. 54
  26. 69
  27. 30
  28. 30
  29. 87
  30. 44
  31. 80
  32. 30
  33. 48
  34. 75
  35. 64
  36. 44
  37. 45
  38. 68
  39. 35
  40. 55

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