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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 151 · 40 questions
TalentJR

The method (Back to one part): Divide the given part by the top number: that is one share. Multiply one share by the bottom number: that is the whole. Check: the fraction of your answer must give the part.

NameDateTime takenScore ___ / 40
  1. 1.Rohan spends 2/9 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Rohan have?
  2. 2.If 7/9 of a number is 21, what is the number?
  3. 3.At a picnic, 4/9 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  4. 4.Rohan spends 2/5 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Rohan have?
  5. 5.If 1/7 of a number is 4, what is the number?
  6. 6.Rohan spends 4/5 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Rohan have?
  7. 7.At a picnic, 8/9 of the children are from Class 5. There are 56 children from Class 5. How many children are at the picnic?
  8. 8.Ishaan spends 5/9 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Ishaan have?
  9. 9.Riya spends 7/10 of the pocket money on a book. The book costs ₹42. How many rupees of pocket money did Riya have?
  10. 10.If 1/7 of a number is 6, what is the number?
  11. 11.Sara spends 1/9 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Sara have?
  12. 12.If 1/4 of a number is 2, what is the number?
  13. 13.Sara spends 1/10 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Sara have?
  14. 14.If 5/8 of a number is 40, what is the number?
  15. 15.At a picnic, 4/9 of the children are from Class 5. There are 36 children from Class 5. How many children are at the picnic?
  16. 16.If 7/8 of a number is 70, what is the number?
  17. 17.Rohan spends 6/7 of the pocket money on a book. The book costs ₹48. How many rupees of pocket money did Rohan have?
  18. 18.Meera spends 4/9 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Meera have?
  19. 19.At a picnic, 3/7 of the children are from Class 5. There are 30 children from Class 5. How many children are at the picnic?
  20. 20.If 5/8 of a number is 15, what is the number?
  21. 21.Rohan spends 4/5 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Rohan have?
  22. 22.Aarav spends 5/9 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Aarav have?
  23. 23.At a picnic, 4/7 of the children are from Class 5. There are 32 children from Class 5. How many children are at the picnic?
  24. 24.Ishaan spends 2/3 of the pocket money on a book. The book costs ₹16. How many rupees of pocket money did Ishaan have?
  25. 25.If 9/10 of a number is 63, what is the number?
  26. 26.If 5/7 of a number is 30, what is the number?
  27. 27.Tara spends 2/7 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Tara have?
  28. 28.At a picnic, 3/5 of the children are from Class 5. There are 18 children from Class 5. How many children are at the picnic?
  29. 29.At a picnic, 3/4 of the children are from Class 5. There are 9 children from Class 5. How many children are at the picnic?
  30. 30.At a picnic, 4/9 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  31. 31.At a picnic, 9/10 of the children are from Class 5. There are 54 children from Class 5. How many children are at the picnic?
  32. 32.If 1/8 of a number is 9, what is the number?
  33. 33.If 1/5 of a number is 8, what is the number?
  34. 34.At a picnic, 1/6 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  35. 35.At a picnic, 1/7 of the children are from Class 5. There are 2 children from Class 5. How many children are at the picnic?
  36. 36.At a picnic, 1/5 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  37. 37.If 3/4 of a number is 24, what is the number?
  38. 38.If 3/5 of a number is 9, what is the number?
  39. 39.At a picnic, 1/2 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  40. 40.Sara spends 1/6 of the pocket money on a book. The book costs ₹7. How many rupees of pocket money did Sara have?

Answer key

  1. 81
  2. 27
  3. 27
  4. 15
  5. 28
  6. 10
  7. 63
  8. 72
  9. 60
  10. 42
  11. 54
  12. 8
  13. 100
  14. 64
  15. 81
  16. 80
  17. 56
  18. 27
  19. 70
  20. 24
  21. 25
  22. 54
  23. 56
  24. 24
  25. 70
  26. 42
  27. 70
  28. 30
  29. 12
  30. 45
  31. 60
  32. 72
  33. 40
  34. 60
  35. 14
  36. 50
  37. 32
  38. 15
  39. 12
  40. 42

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