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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 49 · 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. 1.66 is what percent of 120?
  2. 2.?% of 80 = 56
  3. 3.What percent of 150 is 129?
  4. 4.?% of 250 = 115
  5. 5.What percent of 20 is 14?
  6. 6.?% of 80 = 20
  7. 7.What percent of 60 is 39?
  8. 8.What percent of 50 is 41?
  9. 9.What percent of 40 is 16?
  10. 10.What percent of 400 is 292?
  11. 11.?% of 40 = 18
  12. 12.What percent of 50 is 34?
  13. 13.What percent of 80 is 32?
  14. 14.18 is what percent of 40?
  15. 15.66 is what percent of 300?
  16. 16.What percent of 80 is 72?
  17. 17.36 is what percent of 50?
  18. 18.What percent of 25 is 18?
  19. 19.235 is what percent of 500?
  20. 20.?% of 300 = 276
  21. 21.What percent of 300 is 228?
  22. 22.?% of 25 = 19
  23. 23.What percent of 40 is 30?
  24. 24.What percent of 250 is 155?
  25. 25.13 is what percent of 25?
  26. 26.?% of 60 = 42
  27. 27.?% of 300 = 159
  28. 28.10 is what percent of 40?
  29. 29.What percent of 50 is 24?
  30. 30.?% of 50 = 9
  31. 31.?% of 300 = 192
  32. 32.30 is what percent of 120?
  33. 33.?% of 80 = 4
  34. 34.220 is what percent of 400?
  35. 35.32 is what percent of 200?
  36. 36.?% of 40 = 6
  37. 37.What percent of 25 is 6?
  38. 38.What percent of 150 is 81?
  39. 39.?% of 20 = 6
  40. 40.30 is what percent of 300?

Answer key

  1. 55
  2. 70
  3. 86
  4. 46
  5. 70
  6. 25
  7. 65
  8. 82
  9. 40
  10. 73
  11. 45
  12. 68
  13. 40
  14. 45
  15. 22
  16. 90
  17. 72
  18. 72
  19. 47
  20. 92
  21. 76
  22. 76
  23. 75
  24. 62
  25. 52
  26. 70
  27. 53
  28. 25
  29. 48
  30. 18
  31. 64
  32. 25
  33. 5
  34. 55
  35. 16
  36. 15
  37. 24
  38. 54
  39. 30
  40. 10

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