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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 457 · 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.What percent of 20 is 2?
  3. 3.?% of 400 = 120
  4. 4.156 is what percent of 400?
  5. 5.?% of 150 = 81
  6. 6.108 is what percent of 120?
  7. 7.?% of 200 = 42
  8. 8.168 is what percent of 300?
  9. 9.What percent of 150 is 57?
  10. 10.336 is what percent of 400?
  11. 11.114 is what percent of 150?
  12. 12.What percent of 20 is 6?
  13. 13.What percent of 300 is 21?
  14. 14.?% of 20 = 12
  15. 15.?% of 20 = 3
  16. 16.123 is what percent of 300?
  17. 17.What percent of 50 is 42?
  18. 18.?% of 500 = 235
  19. 19.What percent of 500 is 75?
  20. 20.?% of 150 = 39
  21. 21.What percent of 150 is 138?
  22. 22.?% of 50 = 13
  23. 23.What percent of 25 is 22?
  24. 24.?% of 400 = 172
  25. 25.108 is what percent of 400?
  26. 26.What percent of 25 is 11?
  27. 27.48 is what percent of 120?
  28. 28.What percent of 40 is 28?
  29. 29.?% of 400 = 260
  30. 30.What percent of 60 is 12?
  31. 31.?% of 40 = 8
  32. 32.?% of 80 = 40
  33. 33.What percent of 500 is 165?
  34. 34.What percent of 20 is 4?
  35. 35.What percent of 60 is 15?
  36. 36.?% of 500 = 410
  37. 37.What percent of 60 is 54?
  38. 38.?% of 300 = 252
  39. 39.What percent of 250 is 15?
  40. 40.?% of 20 = 2

Answer key

  1. 20
  2. 10
  3. 30
  4. 39
  5. 54
  6. 90
  7. 21
  8. 56
  9. 38
  10. 84
  11. 76
  12. 30
  13. 7
  14. 60
  15. 15
  16. 41
  17. 84
  18. 47
  19. 15
  20. 26
  21. 92
  22. 26
  23. 88
  24. 43
  25. 27
  26. 44
  27. 40
  28. 70
  29. 65
  30. 20
  31. 20
  32. 50
  33. 33
  34. 20
  35. 25
  36. 82
  37. 90
  38. 84
  39. 6
  40. 10

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