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Fractions lesson 22: Finding the whole from a part · Set 371 · 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 2/3 of a number is 14, what is the number?
  2. 2.At a picnic, 7/8 of the children are from Class 5. There are 14 children from Class 5. How many children are at the picnic?
  3. 3.If 3/4 of a number is 18, what is the number?
  4. 4.At a picnic, 1/6 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  5. 5.If 3/10 of a number is 6, what is the number?
  6. 6.Ishaan spends 2/5 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Ishaan have?
  7. 7.If 1/5 of a number is 8, what is the number?
  8. 8.Rohan spends 5/8 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Rohan have?
  9. 9.If 1/6 of a number is 5, what is the number?
  10. 10.If 4/5 of a number is 24, what is the number?
  11. 11.If 3/5 of a number is 6, what is the number?
  12. 12.At a picnic, 3/7 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  13. 13.At a picnic, 1/6 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  14. 14.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?
  15. 15.Diya spends 3/5 of the pocket money on a book. The book costs ₹21. How many rupees of pocket money did Diya have?
  16. 16.At a picnic, 4/7 of the children are from Class 5. There are 28 children from Class 5. How many children are at the picnic?
  17. 17.If 7/10 of a number is 28, what is the number?
  18. 18.At a picnic, 1/5 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  19. 19.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?
  20. 20.Anaya spends 7/9 of the pocket money on a book. The book costs ₹63. How many rupees of pocket money did Anaya have?
  21. 21.If 9/10 of a number is 63, what is the number?
  22. 22.At a picnic, 4/9 of the children are from Class 5. There are 32 children from Class 5. How many children are at the picnic?
  23. 23.Ishaan spends 2/9 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Ishaan have?
  24. 24.At a picnic, 2/9 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  25. 25.Arjun spends 2/3 of the pocket money on a book. The book costs ₹16. How many rupees of pocket money did Arjun have?
  26. 26.At a picnic, 3/4 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  27. 27.Sara spends 5/7 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Sara have?
  28. 28.At a picnic, 6/7 of the children are from Class 5. There are 36 children from Class 5. How many children are at the picnic?
  29. 29.If 7/9 of a number is 28, what is the number?
  30. 30.Kabir spends 1/8 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Kabir have?
  31. 31.Rohan spends 8/9 of the pocket money on a book. The book costs ₹56. How many rupees of pocket money did Rohan have?
  32. 32.Diya spends 4/9 of the pocket money on a book. The book costs ₹16. How many rupees of pocket money did Diya have?
  33. 33.If 5/6 of a number is 10, what is the number?
  34. 34.At a picnic, 2/5 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  35. 35.At a picnic, 9/10 of the children are from Class 5. There are 45 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.If 4/9 of a number is 28, what is the number?
  38. 38.If 1/3 of a number is 3, what is the number?
  39. 39.At a picnic, 1/6 of the children are from Class 5. There are 5 children from Class 5. How many children are at the picnic?
  40. 40.Rohan spends 5/7 of the pocket money on a book. The book costs ₹35. How many rupees of pocket money did Rohan have?

Answer key

  1. 21
  2. 16
  3. 24
  4. 24
  5. 20
  6. 15
  7. 40
  8. 64
  9. 30
  10. 30
  11. 10
  12. 56
  13. 36
  14. 14
  15. 35
  16. 49
  17. 40
  18. 15
  19. 42
  20. 81
  21. 70
  22. 72
  23. 54
  24. 36
  25. 24
  26. 32
  27. 56
  28. 42
  29. 36
  30. 16
  31. 63
  32. 36
  33. 12
  34. 20
  35. 50
  36. 36
  37. 63
  38. 9
  39. 30
  40. 49

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