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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 419 · 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.Aarav spends 2/9 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Aarav have?
  2. 2.If 4/7 of a number is 20, what is the number?
  3. 3.If 3/8 of a number is 21, what is the number?
  4. 4.If 5/7 of a number is 40, what is the number?
  5. 5.If 9/10 of a number is 45, what is the number?
  6. 6.At a picnic, 2/7 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  7. 7.If 5/9 of a number is 40, what is the number?
  8. 8.At a picnic, 3/4 of the children are from Class 5. There are 27 children from Class 5. How many children are at the picnic?
  9. 9.Arjun spends 3/4 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Arjun have?
  10. 10.If 1/3 of a number is 9, what is the number?
  11. 11.Kabir spends 5/6 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Kabir have?
  12. 12.If 3/5 of a number is 18, what is the number?
  13. 13.Anaya spends 4/5 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Anaya have?
  14. 14.At a picnic, 1/5 of the children are from Class 5. There are 5 children from Class 5. How many children are at the picnic?
  15. 15.Arjun spends 5/8 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Arjun have?
  16. 16.Kabir spends 8/9 of the pocket money on a book. The book costs ₹56. How many rupees of pocket money did Kabir have?
  17. 17.If 1/10 of a number is 7, what is the number?
  18. 18.At a picnic, 7/8 of the children are from Class 5. There are 21 children from Class 5. How many children are at the picnic?
  19. 19.At a picnic, 2/5 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  20. 20.At a picnic, 3/5 of the children are from Class 5. There are 9 children from Class 5. How many children are at the picnic?
  21. 21.Sara spends 2/3 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Sara have?
  22. 22.If 3/8 of a number is 27, what is the number?
  23. 23.Arjun spends 8/9 of the pocket money on a book. The book costs ₹56. How many rupees of pocket money did Arjun have?
  24. 24.At a picnic, 7/10 of the children are from Class 5. There are 70 children from Class 5. How many children are at the picnic?
  25. 25.At a picnic, 1/2 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  26. 26.If 5/7 of a number is 15, what is the number?
  27. 27.If 5/7 of a number is 25, what is the number?
  28. 28.Vihaan spends 7/10 of the pocket money on a book. The book costs ₹63. How many rupees of pocket money did Vihaan have?
  29. 29.At a picnic, 7/9 of the children are from Class 5. There are 42 children from Class 5. How many children are at the picnic?
  30. 30.If 1/2 of a number is 4, what is the number?
  31. 31.Ishaan spends 1/7 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Ishaan have?
  32. 32.Sara spends 7/9 of the pocket money on a book. The book costs ₹35. How many rupees of pocket money did Sara have?
  33. 33.At a picnic, 4/5 of the children are from Class 5. There are 40 children from Class 5. How many children are at the picnic?
  34. 34.If 5/8 of a number is 15, what is the number?
  35. 35.At a picnic, 1/3 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  36. 36.At a picnic, 1/4 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  37. 37.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?
  38. 38.If 1/9 of a number is 2, what is the number?
  39. 39.Vihaan spends 3/5 of the pocket money on a book. The book costs ₹27. How many rupees of pocket money did Vihaan have?
  40. 40.At a picnic, 2/3 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?

Answer key

  1. 18
  2. 35
  3. 56
  4. 56
  5. 50
  6. 21
  7. 72
  8. 36
  9. 16
  10. 27
  11. 18
  12. 30
  13. 50
  14. 25
  15. 32
  16. 63
  17. 70
  18. 24
  19. 10
  20. 15
  21. 12
  22. 72
  23. 63
  24. 100
  25. 8
  26. 21
  27. 35
  28. 90
  29. 54
  30. 8
  31. 70
  32. 45
  33. 50
  34. 24
  35. 9
  36. 16
  37. 14
  38. 18
  39. 45
  40. 30

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