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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 20 · 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. 1.256 is what percent of 400?
  2. 2.?% of 20 = 17
  3. 3.?% of 150 = 84
  4. 4.?% of 250 = 145
  5. 5.?% of 80 = 48
  6. 6.18 is what percent of 300?
  7. 7.?% of 150 = 54
  8. 8.94 is what percent of 200?
  9. 9.What percent of 25 is 9?
  10. 10.64 is what percent of 200?
  11. 11.215 is what percent of 250?
  12. 12.?% of 300 = 273
  13. 13.28 is what percent of 80?
  14. 14.69 is what percent of 150?
  15. 15.What percent of 50 is 9?
  16. 16.16 is what percent of 80?
  17. 17.What percent of 250 is 15?
  18. 18.156 is what percent of 400?
  19. 19.?% of 400 = 184
  20. 20.What percent of 20 is 19?
  21. 21.What percent of 150 is 132?
  22. 22.66 is what percent of 120?
  23. 23.What percent of 50 is 17?
  24. 24.What percent of 400 is 296?
  25. 25.?% of 500 = 185
  26. 26.5 is what percent of 50?
  27. 27.?% of 80 = 72
  28. 28.?% of 250 = 60
  29. 29.?% of 50 = 22
  30. 30.110 is what percent of 250?
  31. 31.What percent of 40 is 14?
  32. 32.?% of 80 = 24
  33. 33.14 is what percent of 20?
  34. 34.?% of 60 = 3
  35. 35.?% of 40 = 22
  36. 36.What percent of 400 is 32?
  37. 37.What percent of 25 is 12?
  38. 38.24 is what percent of 50?
  39. 39.58 is what percent of 200?
  40. 40.2 is what percent of 40?

Answer key

  1. 64
  2. 85
  3. 56
  4. 58
  5. 60
  6. 6
  7. 36
  8. 47
  9. 36
  10. 32
  11. 86
  12. 91
  13. 35
  14. 46
  15. 18
  16. 20
  17. 6
  18. 39
  19. 46
  20. 95
  21. 88
  22. 55
  23. 34
  24. 74
  25. 37
  26. 10
  27. 90
  28. 24
  29. 44
  30. 44
  31. 35
  32. 30
  33. 70
  34. 5
  35. 55
  36. 8
  37. 48
  38. 48
  39. 29
  40. 5

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