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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 551 · 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.Ishaan spends 2/3 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Ishaan have?
  2. 2.If 3/4 of a number is 30, what is the number?
  3. 3.At a picnic, 4/9 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  4. 4.At a picnic, 4/9 of the children are from Class 5. There are 28 children from Class 5. How many children are at the picnic?
  5. 5.At a picnic, 2/7 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  6. 6.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?
  7. 7.If 3/4 of a number is 12, what is the number?
  8. 8.At a picnic, 1/3 of the children are from Class 5. There are 2 children from Class 5. How many children are at the picnic?
  9. 9.At a picnic, 2/9 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  10. 10.Diya spends 1/4 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Diya have?
  11. 11.At a picnic, 1/3 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  12. 12.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?
  13. 13.If 3/10 of a number is 30, what is the number?
  14. 14.If 4/9 of a number is 40, what is the number?
  15. 15.Vihaan spends 1/9 of the pocket money on a book. The book costs ₹3. How many rupees of pocket money did Vihaan have?
  16. 16.At a picnic, 2/7 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  17. 17.At a picnic, 1/6 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  18. 18.At a picnic, 2/3 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  19. 19.At a picnic, 3/4 of the children are from Class 5. There are 30 children from Class 5. How many children are at the picnic?
  20. 20.Rohan spends 1/7 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Rohan have?
  21. 21.Sara spends 5/9 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Sara have?
  22. 22.Diya spends 1/9 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Diya have?
  23. 23.Rohan spends 1/3 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Rohan have?
  24. 24.Meera spends 4/9 of the pocket money on a book. The book costs ₹24. How many rupees of pocket money did Meera have?
  25. 25.Arjun spends 1/5 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Arjun have?
  26. 26.If 3/4 of a number is 24, what is the number?
  27. 27.If 1/5 of a number is 3, what is the number?
  28. 28.If 8/9 of a number is 56, what is the number?
  29. 29.If 2/7 of a number is 14, what is the number?
  30. 30.Meera spends 5/9 of the pocket money on a book. The book costs ₹35. How many rupees of pocket money did Meera have?
  31. 31.If 2/5 of a number is 10, what is the number?
  32. 32.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?
  33. 33.At a picnic, 2/5 of the children are from Class 5. There are 16 children from Class 5. How many children are at the picnic?
  34. 34.If 2/9 of a number is 14, what is the number?
  35. 35.If 3/8 of a number is 30, what is the number?
  36. 36.If 5/6 of a number is 35, what is the number?
  37. 37.Sara spends 1/10 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Sara have?
  38. 38.At a picnic, 4/7 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  39. 39.If 1/5 of a number is 10, what is the number?
  40. 40.At a picnic, 3/5 of the children are from Class 5. There are 21 children from Class 5. How many children are at the picnic?

Answer key

  1. 6
  2. 40
  3. 18
  4. 63
  5. 42
  6. 80
  7. 16
  8. 6
  9. 90
  10. 40
  11. 30
  12. 18
  13. 100
  14. 90
  15. 27
  16. 14
  17. 18
  18. 12
  19. 40
  20. 42
  21. 36
  22. 18
  23. 24
  24. 54
  25. 10
  26. 32
  27. 15
  28. 63
  29. 49
  30. 63
  31. 25
  32. 80
  33. 40
  34. 63
  35. 80
  36. 42
  37. 20
  38. 21
  39. 50
  40. 35

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