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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 257 · 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 200 is 10?
  2. 2.What percent of 150 is 141?
  3. 3.?% of 120 = 66
  4. 4.What percent of 500 is 455?
  5. 5.?% of 400 = 352
  6. 6.What percent of 400 is 236?
  7. 7.?% of 250 = 225
  8. 8.10 is what percent of 40?
  9. 9.36 is what percent of 40?
  10. 10.What percent of 60 is 48?
  11. 11.What percent of 80 is 24?
  12. 12.42 is what percent of 60?
  13. 13.What percent of 60 is 21?
  14. 14.?% of 120 = 12
  15. 15.24 is what percent of 80?
  16. 16.What percent of 500 is 385?
  17. 17.?% of 80 = 72
  18. 18.What percent of 80 is 12?
  19. 19.25 is what percent of 250?
  20. 20.What percent of 300 is 54?
  21. 21.?% of 20 = 8
  22. 22.What percent of 40 is 30?
  23. 23.?% of 40 = 30
  24. 24.?% of 500 = 265
  25. 25.?% of 50 = 35
  26. 26.What percent of 20 is 16?
  27. 27.?% of 40 = 2
  28. 28.12 is what percent of 120?
  29. 29.?% of 300 = 195
  30. 30.What percent of 40 is 12?
  31. 31.265 is what percent of 500?
  32. 32.50 is what percent of 250?
  33. 33.128 is what percent of 200?
  34. 34.37 is what percent of 50?
  35. 35.?% of 200 = 148
  36. 36.?% of 40 = 32
  37. 37.?% of 50 = 11
  38. 38.What percent of 250 is 105?
  39. 39.What percent of 40 is 10?
  40. 40.What percent of 500 is 50?

Answer key

  1. 5
  2. 94
  3. 55
  4. 91
  5. 88
  6. 59
  7. 90
  8. 25
  9. 90
  10. 80
  11. 30
  12. 70
  13. 35
  14. 10
  15. 30
  16. 77
  17. 90
  18. 15
  19. 10
  20. 18
  21. 40
  22. 75
  23. 75
  24. 53
  25. 70
  26. 80
  27. 5
  28. 10
  29. 65
  30. 30
  31. 53
  32. 20
  33. 64
  34. 74
  35. 74
  36. 80
  37. 22
  38. 42
  39. 25
  40. 10

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