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Fractions lesson 22: Finding the whole from a part · Set 763 · 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 2/7 of a number is 16, what is the number?
  2. 2.If 7/8 of a number is 42, what is the number?
  3. 3.If 3/5 of a number is 6, what is the number?
  4. 4.At a picnic, 5/7 of the children are from Class 5. There are 15 children from Class 5. How many children are at the picnic?
  5. 5.If 2/5 of a number is 6, what is the number?
  6. 6.If 1/3 of a number is 5, what is the number?
  7. 7.If 1/2 of a number is 2, what is the number?
  8. 8.Riya spends 8/9 of the pocket money on a book. The book costs ₹32. How many rupees of pocket money did Riya have?
  9. 9.If 9/10 of a number is 18, what is the number?
  10. 10.If 1/3 of a number is 8, what is the number?
  11. 11.Diya spends 7/10 of the pocket money on a book. The book costs ₹21. How many rupees of pocket money did Diya have?
  12. 12.Diya spends 6/7 of the pocket money on a book. The book costs ₹54. How many rupees of pocket money did Diya have?
  13. 13.If 2/3 of a number is 20, what is the number?
  14. 14.Kabir spends 3/5 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Kabir have?
  15. 15.If 1/8 of a number is 2, what is the number?
  16. 16.At a picnic, 1/5 of the children are from Class 5. There are 2 children from Class 5. How many children are at the picnic?
  17. 17.At a picnic, 7/8 of the children are from Class 5. There are 49 children from Class 5. How many children are at the picnic?
  18. 18.At a picnic, 1/2 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  19. 19.At a picnic, 1/2 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  20. 20.At a picnic, 8/9 of the children are from Class 5. There are 32 children from Class 5. How many children are at the picnic?
  21. 21.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?
  22. 22.If 3/4 of a number is 9, what is the number?
  23. 23.Diya spends 2/7 of the pocket money on a book. The book costs ₹20. How many rupees of pocket money did Diya have?
  24. 24.If 5/7 of a number is 10, what is the number?
  25. 25.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?
  26. 26.Arjun spends 2/9 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Arjun have?
  27. 27.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?
  28. 28.Kabir spends 2/9 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Kabir have?
  29. 29.At a picnic, 5/8 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  30. 30.Kabir spends 3/5 of the pocket money on a book. The book costs ₹27. How many rupees of pocket money did Kabir have?
  31. 31.Tara spends 5/9 of the pocket money on a book. The book costs ₹35. How many rupees of pocket money did Tara have?
  32. 32.Diya spends 1/8 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Diya have?
  33. 33.Meera spends 7/9 of the pocket money on a book. The book costs ₹56. How many rupees of pocket money did Meera have?
  34. 34.Aarav spends 3/8 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Aarav have?
  35. 35.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?
  36. 36.Aarav spends 8/9 of the pocket money on a book. The book costs ₹56. How many rupees of pocket money did Aarav have?
  37. 37.If 1/10 of a number is 4, what is the number?
  38. 38.Aarav spends 3/7 of the pocket money on a book. The book costs ₹21. How many rupees of pocket money did Aarav have?
  39. 39.Sara spends 1/4 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Sara have?
  40. 40.If 3/10 of a number is 12, what is the number?

Answer key

  1. 56
  2. 48
  3. 10
  4. 21
  5. 15
  6. 15
  7. 4
  8. 36
  9. 20
  10. 24
  11. 30
  12. 63
  13. 30
  14. 20
  15. 16
  16. 10
  17. 56
  18. 12
  19. 16
  20. 36
  21. 20
  22. 12
  23. 70
  24. 14
  25. 40
  26. 81
  27. 12
  28. 18
  29. 16
  30. 45
  31. 63
  32. 48
  33. 72
  34. 16
  35. 24
  36. 63
  37. 40
  38. 49
  39. 32
  40. 40

Free fractions lessons, practice and worksheets at talentjr.in/fractions-for-kids