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Better Buy Worksheet

Money maths lesson 16: Which is the better buy? · Set 161 · 40 sums
TalentJR

The method (Same-size compare): Price of one = total ÷ number (or price of 1 kg = total ÷ kg). The smaller price of one is the better buy. Saving per item = bigger price of one − smaller price of one.

NameDateTime takenScore ___ / 40
  1. 1.A 5 kg bag of potatoes costs ₹185. A 1 kg bag costs ₹36. How many rupees per kg do you save with the cheaper bag?
  2. 2.A 10 kg bag of dal costs ₹1170. A 1 kg bag costs ₹105. Which bag is cheaper per kg? (a) 10 kg bag (b) 1 kg bag
  3. 3.Shop A sells 3 colour pencil sets for ₹210. Shop B sells 5 colour pencil sets for ₹475. What does one colour pencil set cost at the cheaper shop (in ₹)?
  4. 4.A 1 kg bag of tomatoes costs ₹47. A 2 kg bag costs ₹56. How many rupees per kg do you save with the cheaper bag?
  5. 5.Shop A sells 2 mangoes for ₹60. Shop B sells 3 mangoes for ₹105. Which shop is cheaper for one mango? (a) Shop A (b) Shop B
  6. 6.A 1 kg bag of onions costs ₹49. A 2 kg bag costs ₹60. How many rupees per kg do you save with the cheaper bag?
  7. 7.A 2 kg bag of sugar costs ₹86. A 1 kg bag costs ₹40. How many rupees per kg do you save with the cheaper bag?
  8. 8.A 10 kg bag of rice costs ₹650. A 2 kg bag costs ₹108. How many rupees per kg do you save with the cheaper bag?
  9. 9.Shop A sells 2 geometry boxes for ₹220. Shop B sells 3 geometry boxes for ₹300. What does one geometry box cost at the cheaper shop (in ₹)?
  10. 10.Shop A sells 5 plates of idli for ₹275. Shop B sells 4 plates of idli for ₹200. What does one plate of idli cost at the cheaper shop (in ₹)?
  11. 11.A 1 kg bag of wheat flour costs ₹31. A 10 kg bag costs ₹330. Which bag is cheaper per kg? (a) 1 kg bag (b) 10 kg bag
  12. 12.A 5 kg bag of sugar costs ₹220. A 1 kg bag costs ₹45. How many rupees per kg do you save with the cheaper bag?
  13. 13.A 1 kg bag of onions costs ₹39. A 10 kg bag costs ₹340. Which bag is cheaper per kg? (a) 1 kg bag (b) 10 kg bag
  14. 14.Shop A sells 3 pens for ₹72. Shop B sells 5 pens for ₹105. Which shop is cheaper for one pen? (a) Shop B (b) Shop A
  15. 15.A 10 kg bag of potatoes costs ₹310. A 2 kg bag costs ₹40. How many rupees per kg do you save with the cheaper bag?
  16. 16.A 10 kg bag of tomatoes costs ₹580. A 2 kg bag costs ₹106. Which bag is cheaper per kg? (a) 2 kg bag (b) 10 kg bag
  17. 17.Shop A sells 6 cricket balls for ₹750. Shop B sells 3 cricket balls for ₹330. What does one cricket ball cost at the cheaper shop (in ₹)?
  18. 18.A 5 kg bag of sugar costs ₹245. A 1 kg bag costs ₹50. How many rupees per kg do you save with the cheaper bag?
  19. 19.Shop A sells 3 pens for ₹66. Shop B sells 2 pens for ₹48. What does one pen cost at the cheaper shop (in ₹)?
  20. 20.Shop A sells 2 pens for ₹22. Shop B sells 3 pens for ₹39. Which shop is cheaper for one pen? (a) Shop B (b) Shop A
  21. 21.A 10 kg bag of dal costs ₹1110. A 5 kg bag costs ₹625. Which bag is cheaper per kg? (a) 10 kg bag (b) 5 kg bag
  22. 22.A 5 kg bag of rice costs ₹350. A 1 kg bag costs ₹51. How many rupees per kg do you save with the cheaper bag?
  23. 23.A 1 kg bag of sugar costs ₹46. A 5 kg bag costs ₹200. Which bag is cheaper per kg? (a) 5 kg bag (b) 1 kg bag
  24. 24.Shop A sells 4 colour pencil sets for ₹260. Shop B sells 6 colour pencil sets for ₹480. What does one colour pencil set cost at the cheaper shop (in ₹)?
  25. 25.Shop A sells 4 samosas for ₹56. Shop B sells 2 samosas for ₹36. Which shop is cheaper for one samosa? (a) Shop B (b) Shop A
  26. 26.A 5 kg bag of wheat flour costs ₹245. A 2 kg bag costs ₹64. Which bag is cheaper per kg? (a) 5 kg bag (b) 2 kg bag
  27. 27.Shop A sells 3 pens for ₹75. Shop B sells 5 pens for ₹50. Which shop is cheaper for one pen? (a) Shop A (b) Shop B
  28. 28.A 2 kg bag of sugar costs ₹84. A 5 kg bag costs ₹250. Which bag is cheaper per kg? (a) 5 kg bag (b) 2 kg bag
  29. 29.A 1 kg bag of rice costs ₹49. A 5 kg bag costs ₹375. Which bag is cheaper per kg? (a) 1 kg bag (b) 5 kg bag
  30. 30.Shop A sells 4 cricket balls for ₹500. Shop B sells 5 cricket balls for ₹725. What does one cricket ball cost at the cheaper shop (in ₹)?
  31. 31.A 1 kg bag of rice costs ₹57. A 5 kg bag costs ₹385. Which bag is cheaper per kg? (a) 5 kg bag (b) 1 kg bag
  32. 32.A 10 kg bag of tomatoes costs ₹340. A 5 kg bag costs ₹215. How many rupees per kg do you save with the cheaper bag?
  33. 33.A 10 kg bag of tomatoes costs ₹220. A 1 kg bag costs ₹42. How many rupees per kg do you save with the cheaper bag?
  34. 34.Shop A sells 5 samosas for ₹80. Shop B sells 6 samosas for ₹114. Which shop is cheaper for one samosa? (a) Shop A (b) Shop B
  35. 35.Shop A sells 5 notebooks for ₹275. Shop B sells 6 notebooks for ₹180. What does one notebook cost at the cheaper shop (in ₹)?
  36. 36.A 1 kg bag of tomatoes costs ₹30. A 2 kg bag costs ₹70. How many rupees per kg do you save with the cheaper bag?
  37. 37.Shop A sells 3 cricket balls for ₹435. Shop B sells 4 cricket balls for ₹600. Which shop is cheaper for one cricket ball? (a) Shop B (b) Shop A
  38. 38.Shop A sells 2 plates of idli for ₹80. Shop B sells 6 plates of idli for ₹300. Which shop is cheaper for one plate of idli? (a) Shop A (b) Shop B
  39. 39.Shop A sells 2 pens for ₹22. Shop B sells 6 pens for ₹60. What does one pen cost at the cheaper shop (in ₹)?
  40. 40.Shop A sells 4 mangoes for ₹120. Shop B sells 5 mangoes for ₹200. What does one mango cost at the cheaper shop (in ₹)?

Answer key

  1. 1
  2. 1 kg bag
  3. 70
  4. 19
  5. Shop A
  6. 19
  7. 3
  8. 11
  9. 100
  10. 50
  11. 1 kg bag
  12. 1
  13. 10 kg bag
  14. Shop B
  15. 11
  16. 2 kg bag
  17. 110
  18. 1
  19. 22
  20. Shop A
  21. 10 kg bag
  22. 19
  23. 5 kg bag
  24. 65
  25. Shop A
  26. 2 kg bag
  27. Shop B
  28. 2 kg bag
  29. 1 kg bag
  30. 125
  31. 1 kg bag
  32. 9
  33. 20
  34. Shop A
  35. 30
  36. 5
  37. Shop A
  38. Shop A
  39. 10
  40. 30

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