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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 843 · 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 40 is 10?
  2. 2.2 is what percent of 25?
  3. 3.?% of 80 = 32
  4. 4.18 is what percent of 50?
  5. 5.10 is what percent of 40?
  6. 6.What percent of 120 is 66?
  7. 7.What percent of 20 is 5?
  8. 8.18 is what percent of 150?
  9. 9.?% of 60 = 42
  10. 10.?% of 250 = 45
  11. 11.29 is what percent of 50?
  12. 12.What percent of 50 is 42?
  13. 13.?% of 400 = 376
  14. 14.4 is what percent of 50?
  15. 15.What percent of 25 is 19?
  16. 16.12 is what percent of 50?
  17. 17.117 is what percent of 300?
  18. 18.?% of 20 = 10
  19. 19.What percent of 40 is 24?
  20. 20.What percent of 25 is 2?
  21. 21.What percent of 500 is 215?
  22. 22.66 is what percent of 150?
  23. 23.12 is what percent of 60?
  24. 24.What percent of 60 is 33?
  25. 25.What percent of 20 is 7?
  26. 26.?% of 250 = 165
  27. 27.?% of 25 = 18
  28. 28.What percent of 80 is 20?
  29. 29.55 is what percent of 250?
  30. 30.What percent of 500 is 130?
  31. 31.168 is what percent of 300?
  32. 32.?% of 250 = 235
  33. 33.?% of 400 = 276
  34. 34.What percent of 400 is 312?
  35. 35.What percent of 60 is 15?
  36. 36.?% of 200 = 134
  37. 37.What percent of 120 is 6?
  38. 38.?% of 80 = 72
  39. 39.?% of 400 = 304
  40. 40.44 is what percent of 50?

Answer key

  1. 25
  2. 8
  3. 40
  4. 36
  5. 25
  6. 55
  7. 25
  8. 12
  9. 70
  10. 18
  11. 58
  12. 84
  13. 94
  14. 8
  15. 76
  16. 24
  17. 39
  18. 50
  19. 60
  20. 8
  21. 43
  22. 44
  23. 20
  24. 55
  25. 35
  26. 66
  27. 72
  28. 25
  29. 22
  30. 26
  31. 56
  32. 94
  33. 69
  34. 78
  35. 25
  36. 67
  37. 5
  38. 90
  39. 76
  40. 88

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