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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 963 · 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 120 is 60?
  2. 2.What percent of 20 is 2?
  3. 3.?% of 400 = 44
  4. 4.What percent of 200 is 150?
  5. 5.?% of 250 = 135
  6. 6.18 is what percent of 120?
  7. 7.What percent of 400 is 20?
  8. 8.What percent of 120 is 24?
  9. 9.?% of 50 = 14
  10. 10.20 is what percent of 80?
  11. 11.?% of 300 = 165
  12. 12.What percent of 40 is 4?
  13. 13.8 is what percent of 40?
  14. 14.?% of 60 = 6
  15. 15.3 is what percent of 60?
  16. 16.?% of 200 = 94
  17. 17.38 is what percent of 40?
  18. 18.?% of 20 = 6
  19. 19.What percent of 40 is 18?
  20. 20.171 is what percent of 300?
  21. 21.?% of 80 = 72
  22. 22.20 is what percent of 40?
  23. 23.285 is what percent of 300?
  24. 24.What percent of 200 is 100?
  25. 25.?% of 50 = 32
  26. 26.2 is what percent of 40?
  27. 27.?% of 20 = 17
  28. 28.What percent of 40 is 20?
  29. 29.?% of 80 = 44
  30. 30.?% of 120 = 42
  31. 31.?% of 400 = 52
  32. 32.72 is what percent of 120?
  33. 33.19 is what percent of 20?
  34. 34.320 is what percent of 400?
  35. 35.?% of 250 = 100
  36. 36.?% of 40 = 32
  37. 37.13 is what percent of 50?
  38. 38.What percent of 50 is 36?
  39. 39.112 is what percent of 400?
  40. 40.145 is what percent of 250?

Answer key

  1. 50
  2. 10
  3. 11
  4. 75
  5. 54
  6. 15
  7. 5
  8. 20
  9. 28
  10. 25
  11. 55
  12. 10
  13. 20
  14. 10
  15. 5
  16. 47
  17. 95
  18. 30
  19. 45
  20. 57
  21. 90
  22. 50
  23. 95
  24. 50
  25. 64
  26. 5
  27. 85
  28. 50
  29. 55
  30. 35
  31. 13
  32. 60
  33. 95
  34. 80
  35. 40
  36. 80
  37. 26
  38. 72
  39. 28
  40. 58

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