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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 358 · 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.At a picnic, 4/5 of the children are from Class 5. There are 28 children from Class 5. How many children are at the picnic?
  2. 2.Sara spends 1/4 of the pocket money on a book. The book costs ₹7. How many rupees of pocket money did Sara have?
  3. 3.If 8/9 of a number is 40, what is the number?
  4. 4.If 5/7 of a number is 15, what is the number?
  5. 5.If 2/7 of a number is 16, what is the number?
  6. 6.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?
  7. 7.If 5/7 of a number is 30, what is the number?
  8. 8.If 1/8 of a number is 9, what is the number?
  9. 9.At a picnic, 1/10 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  10. 10.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?
  11. 11.At a picnic, 1/9 of the children are from Class 5. There are 5 children from Class 5. How many children are at the picnic?
  12. 12.Diya spends 4/5 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Diya have?
  13. 13.Vihaan spends 2/3 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Vihaan have?
  14. 14.If 5/9 of a number is 35, what is the number?
  15. 15.At a picnic, 1/10 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  16. 16.Diya spends 1/5 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Diya have?
  17. 17.If 1/3 of a number is 8, what is the number?
  18. 18.Arjun spends 1/3 of the pocket money on a book. The book costs ₹3. How many rupees of pocket money did Arjun have?
  19. 19.If 1/2 of a number is 4, what is the number?
  20. 20.Arjun spends 8/9 of the pocket money on a book. The book costs ₹64. How many rupees of pocket money did Arjun have?
  21. 21.Vihaan spends 9/10 of the pocket money on a book. The book costs ₹36. How many rupees of pocket money did Vihaan have?
  22. 22.Rohan spends 8/9 of the pocket money on a book. The book costs ₹64. How many rupees of pocket money did Rohan have?
  23. 23.Riya spends 3/7 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Riya have?
  24. 24.At a picnic, 4/9 of the children are from Class 5. There are 16 children from Class 5. How many children are at the picnic?
  25. 25.If 3/7 of a number is 9, what is the number?
  26. 26.If 5/7 of a number is 25, what is the number?
  27. 27.Vihaan spends 2/5 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Vihaan have?
  28. 28.If 1/5 of a number is 5, what is the number?
  29. 29.If 5/6 of a number is 50, what is the number?
  30. 30.If 1/9 of a number is 9, what is the number?
  31. 31.If 3/7 of a number is 30, what is the number?
  32. 32.At a picnic, 5/6 of the children are from Class 5. There are 40 children from Class 5. How many children are at the picnic?
  33. 33.At a picnic, 2/7 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  34. 34.If 5/6 of a number is 10, what is the number?
  35. 35.Aarav spends 1/2 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Aarav have?
  36. 36.Aarav spends 5/7 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Aarav have?
  37. 37.At a picnic, 7/10 of the children are from Class 5. There are 63 children from Class 5. How many children are at the picnic?
  38. 38.Tara spends 2/3 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Tara have?
  39. 39.At a picnic, 9/10 of the children are from Class 5. There are 36 children from Class 5. How many children are at the picnic?
  40. 40.At a picnic, 7/9 of the children are from Class 5. There are 49 children from Class 5. How many children are at the picnic?

Answer key

  1. 35
  2. 28
  3. 45
  4. 21
  5. 56
  6. 45
  7. 42
  8. 72
  9. 40
  10. 30
  11. 45
  12. 15
  13. 18
  14. 63
  15. 30
  16. 50
  17. 24
  18. 9
  19. 8
  20. 72
  21. 40
  22. 72
  23. 42
  24. 36
  25. 21
  26. 35
  27. 20
  28. 25
  29. 60
  30. 81
  31. 70
  32. 48
  33. 70
  34. 12
  35. 20
  36. 42
  37. 90
  38. 30
  39. 40
  40. 63

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