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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 418 · 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.

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  1. 1.If 3/8 of a number is 21, what is the number?
  2. 2.Kabir spends 2/5 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Kabir have?
  3. 3.At a picnic, 1/2 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  4. 4.If 2/5 of a number is 16, what is the number?
  5. 5.Riya spends 2/5 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Riya have?
  6. 6.Ishaan spends 2/5 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Ishaan have?
  7. 7.If 2/7 of a number is 20, what is the number?
  8. 8.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?
  9. 9.If 4/7 of a number is 12, what is the number?
  10. 10.At a picnic, 1/6 of the children are from Class 5. There are 7 children from Class 5. How many children are at the picnic?
  11. 11.Aarav spends 2/5 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Aarav have?
  12. 12.Sara spends 5/8 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Sara have?
  13. 13.At a picnic, 1/5 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  14. 14.If 5/8 of a number is 40, what is the number?
  15. 15.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?
  16. 16.At a picnic, 3/10 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  17. 17.If 1/6 of a number is 6, what is the number?
  18. 18.Arjun spends 5/8 of the pocket money on a book. The book costs ₹25. How many rupees of pocket money did Arjun have?
  19. 19.At a picnic, 1/5 of the children are from Class 5. There are 9 children from Class 5. How many children are at the picnic?
  20. 20.If 1/5 of a number is 4, what is the number?
  21. 21.At a picnic, 5/8 of the children are from Class 5. There are 50 children from Class 5. How many children are at the picnic?
  22. 22.At a picnic, 9/10 of the children are from Class 5. There are 63 children from Class 5. How many children are at the picnic?
  23. 23.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?
  24. 24.If 1/10 of a number is 2, what is the number?
  25. 25.Vihaan spends 3/8 of the pocket money on a book. The book costs ₹27. How many rupees of pocket money did Vihaan have?
  26. 26.If 1/7 of a number is 3, what is the number?
  27. 27.If 7/10 of a number is 28, what is the number?
  28. 28.Anaya spends 5/7 of the pocket money on a book. The book costs ₹35. How many rupees of pocket money did Anaya have?
  29. 29.Tara spends 7/8 of the pocket money on a book. The book costs ₹14. How many rupees of pocket money did Tara have?
  30. 30.Meera spends 4/5 of the pocket money on a book. The book costs ₹24. How many rupees of pocket money did Meera have?
  31. 31.Anaya spends 5/7 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Anaya have?
  32. 32.At a picnic, 7/9 of the children are from Class 5. There are 70 children from Class 5. How many children are at the picnic?
  33. 33.If 3/4 of a number is 24, what is the number?
  34. 34.Aarav spends 3/4 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Aarav have?
  35. 35.Diya spends 7/8 of the pocket money on a book. The book costs ₹21. How many rupees of pocket money did Diya have?
  36. 36.If 2/7 of a number is 4, what is the number?
  37. 37.Diya spends 2/5 of the pocket money on a book. The book costs ₹16. How many rupees of pocket money did Diya have?
  38. 38.At a picnic, 8/9 of the children are from Class 5. There are 80 children from Class 5. How many children are at the picnic?
  39. 39.If 1/5 of a number is 2, what is the number?
  40. 40.If 2/5 of a number is 20, what is the number?

Answer key

  1. 56
  2. 20
  3. 20
  4. 40
  5. 30
  6. 10
  7. 70
  8. 60
  9. 21
  10. 42
  11. 50
  12. 64
  13. 20
  14. 64
  15. 63
  16. 20
  17. 36
  18. 40
  19. 45
  20. 20
  21. 80
  22. 70
  23. 14
  24. 20
  25. 72
  26. 21
  27. 40
  28. 49
  29. 16
  30. 30
  31. 14
  32. 90
  33. 32
  34. 40
  35. 24
  36. 14
  37. 40
  38. 90
  39. 10
  40. 50

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