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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 143 · 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.?% of 50 = 19
  3. 3.What percent of 300 is 243?
  4. 4.?% of 50 = 13
  5. 5.2 is what percent of 20?
  6. 6.What percent of 60 is 24?
  7. 7.?% of 20 = 6
  8. 8.?% of 40 = 12
  9. 9.What percent of 60 is 12?
  10. 10.What percent of 150 is 132?
  11. 11.110 is what percent of 200?
  12. 12.What percent of 80 is 32?
  13. 13.What percent of 150 is 72?
  14. 14.What percent of 50 is 34?
  15. 15.140 is what percent of 200?
  16. 16.?% of 500 = 35
  17. 17.172 is what percent of 200?
  18. 18.What percent of 500 is 50?
  19. 19.?% of 500 = 105
  20. 20.265 is what percent of 500?
  21. 21.?% of 500 = 215
  22. 22.72 is what percent of 80?
  23. 23.What percent of 50 is 18?
  24. 24.?% of 40 = 10
  25. 25.What percent of 25 is 8?
  26. 26.135 is what percent of 150?
  27. 27.?% of 300 = 69
  28. 28.?% of 120 = 78
  29. 29.What percent of 200 is 36?
  30. 30.13 is what percent of 20?
  31. 31.?% of 20 = 5
  32. 32.40 is what percent of 250?
  33. 33.What percent of 120 is 102?
  34. 34.What percent of 400 is 224?
  35. 35.?% of 120 = 60
  36. 36.What percent of 20 is 3?
  37. 37.44 is what percent of 80?
  38. 38.12 is what percent of 25?
  39. 39.What percent of 300 is 15?
  40. 40.What percent of 300 is 90?

Answer key

  1. 20
  2. 38
  3. 81
  4. 26
  5. 10
  6. 40
  7. 30
  8. 30
  9. 20
  10. 88
  11. 55
  12. 40
  13. 48
  14. 68
  15. 70
  16. 7
  17. 86
  18. 10
  19. 21
  20. 53
  21. 43
  22. 90
  23. 36
  24. 25
  25. 32
  26. 90
  27. 23
  28. 65
  29. 18
  30. 65
  31. 25
  32. 16
  33. 85
  34. 56
  35. 50
  36. 15
  37. 55
  38. 48
  39. 5
  40. 30

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