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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 574 · 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.If 2/5 of a number is 4, what is the number?
  2. 2.If 1/9 of a number is 9, what is the number?
  3. 3.Rohan spends 4/9 of the pocket money on a book. The book costs ₹16. How many rupees of pocket money did Rohan have?
  4. 4.At a picnic, 3/8 of the children are from Class 5. There are 30 children from Class 5. How many children are at the picnic?
  5. 5.Vihaan spends 3/5 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Vihaan have?
  6. 6.At a picnic, 2/9 of the children are from Class 5. There are 16 children from Class 5. How many children are at the picnic?
  7. 7.If 4/7 of a number is 20, what is the number?
  8. 8.Diya spends 5/6 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Diya have?
  9. 9.Aarav spends 5/7 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Aarav have?
  10. 10.Rohan spends 7/8 of the pocket money on a book. The book costs ₹63. How many rupees of pocket money did Rohan have?
  11. 11.If 3/5 of a number is 24, what is the number?
  12. 12.If 9/10 of a number is 54, what is the number?
  13. 13.If 5/9 of a number is 15, what is the number?
  14. 14.At a picnic, 1/2 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  15. 15.If 2/7 of a number is 4, what is the number?
  16. 16.If 1/5 of a number is 8, what is the number?
  17. 17.If 2/9 of a number is 10, what is the number?
  18. 18.At a picnic, 2/5 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  19. 19.Aarav spends 3/10 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Aarav have?
  20. 20.At a picnic, 3/7 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  21. 21.At a picnic, 5/6 of the children are from Class 5. There are 15 children from Class 5. How many children are at the picnic?
  22. 22.Sara spends 6/7 of the pocket money on a book. The book costs ₹36. How many rupees of pocket money did Sara have?
  23. 23.Ishaan spends 9/10 of the pocket money on a book. The book costs ₹90. How many rupees of pocket money did Ishaan have?
  24. 24.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?
  25. 25.If 2/5 of a number is 16, what is the number?
  26. 26.Riya spends 1/5 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Riya have?
  27. 27.Sara spends 3/8 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Sara have?
  28. 28.At a picnic, 7/8 of the children are from Class 5. There are 70 children from Class 5. How many children are at the picnic?
  29. 29.If 1/4 of a number is 9, what is the number?
  30. 30.If 4/9 of a number is 12, what is the number?
  31. 31.Arjun spends 3/7 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Arjun have?
  32. 32.If 2/5 of a number is 12, what is the number?
  33. 33.At a picnic, 1/8 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  34. 34.At a picnic, 3/4 of the children are from Class 5. There are 21 children from Class 5. How many children are at the picnic?
  35. 35.At a picnic, 2/3 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  36. 36.Tara spends 1/4 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Tara have?
  37. 37.Riya spends 2/3 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Riya have?
  38. 38.Aarav spends 2/5 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Aarav have?
  39. 39.At a picnic, 4/7 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  40. 40.Tara spends 7/10 of the pocket money on a book. The book costs ₹63. How many rupees of pocket money did Tara have?

Answer key

  1. 10
  2. 81
  3. 36
  4. 80
  5. 20
  6. 72
  7. 35
  8. 48
  9. 14
  10. 72
  11. 40
  12. 60
  13. 27
  14. 6
  15. 14
  16. 40
  17. 45
  18. 25
  19. 20
  20. 28
  21. 18
  22. 42
  23. 100
  24. 35
  25. 40
  26. 20
  27. 24
  28. 80
  29. 36
  30. 27
  31. 28
  32. 30
  33. 32
  34. 28
  35. 18
  36. 36
  37. 18
  38. 50
  39. 14
  40. 90

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