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Better Buy Worksheet

Money maths lesson 16: Which is the better buy? · Set 145 · 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 rice costs ₹320. A 10 kg bag costs ₹420. How many rupees per kg do you save with the cheaper bag?
  2. 2.Shop A sells 2 geometry boxes for ₹210. Shop B sells 6 geometry boxes for ₹660. What does one geometry box cost at the cheaper shop (in ₹)?
  3. 3.A 2 kg bag of wheat flour costs ₹62. A 1 kg bag costs ₹44. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  4. 4.A 10 kg bag of tomatoes costs ₹500. A 1 kg bag costs ₹32. Which bag is cheaper per kg? (a) 10 kg bag (b) 1 kg bag
  5. 5.A 2 kg bag of wheat flour costs ₹84. A 1 kg bag costs ₹36. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  6. 6.A 5 kg bag of onions costs ₹215. A 10 kg bag costs ₹340. How many rupees per kg do you save with the cheaper bag?
  7. 7.A 2 kg bag of tomatoes costs ₹48. A 5 kg bag costs ₹220. How many rupees per kg do you save with the cheaper bag?
  8. 8.A 1 kg bag of potatoes costs ₹29. A 2 kg bag costs ₹44. How many rupees per kg do you save with the cheaper bag?
  9. 9.A 2 kg bag of rice costs ₹128. A 1 kg bag costs ₹55. How many rupees per kg do you save with the cheaper bag?
  10. 10.Shop A sells 2 mangoes for ₹70. Shop B sells 5 mangoes for ₹150. Which shop is cheaper for one mango? (a) Shop B (b) Shop A
  11. 11.A 1 kg bag of rice costs ₹40. A 10 kg bag costs ₹450. How many rupees per kg do you save with the cheaper bag?
  12. 12.Shop A sells 5 notebooks for ₹275. Shop B sells 3 notebooks for ₹150. Which shop is cheaper for one notebook? (a) Shop A (b) Shop B
  13. 13.A 1 kg bag of onions costs ₹48. A 2 kg bag costs ₹112. How many rupees per kg do you save with the cheaper bag?
  14. 14.Shop A sells 6 mangoes for ₹180. Shop B sells 5 mangoes for ₹200. Which shop is cheaper for one mango? (a) Shop B (b) Shop A
  15. 15.A 2 kg bag of onions costs ₹108. A 10 kg bag costs ₹420. How many rupees per kg do you save with the cheaper bag?
  16. 16.A 10 kg bag of sugar costs ₹440. A 5 kg bag costs ₹235. Which bag is cheaper per kg? (a) 5 kg bag (b) 10 kg bag
  17. 17.A 2 kg bag of dal costs ₹210. A 1 kg bag costs ₹142. How many rupees per kg do you save with the cheaper bag?
  18. 18.Shop A sells 2 pens for ₹22. Shop B sells 5 pens for ₹80. Which shop is cheaper for one pen? (a) Shop B (b) Shop A
  19. 19.Shop A sells 4 plates of idli for ₹160. Shop B sells 2 plates of idli for ₹90. Which shop is cheaper for one plate of idli? (a) Shop A (b) Shop B
  20. 20.Shop A sells 5 colour pencil sets for ₹550. Shop B sells 3 colour pencil sets for ₹285. Which shop is cheaper for one colour pencil set? (a) Shop A (b) Shop B
  21. 21.A 2 kg bag of sugar costs ₹100. A 1 kg bag costs ₹47. How many rupees per kg do you save with the cheaper bag?
  22. 22.Shop A sells 4 mangoes for ₹140. Shop B sells 2 mangoes for ₹50. What does one mango cost at the cheaper shop (in ₹)?
  23. 23.A 10 kg bag of wheat flour costs ₹390. A 5 kg bag costs ₹190. Which bag is cheaper per kg? (a) 5 kg bag (b) 10 kg bag
  24. 24.A 1 kg bag of sugar costs ₹43. A 2 kg bag costs ₹96. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  25. 25.A 10 kg bag of wheat flour costs ₹340. A 1 kg bag costs ₹30. How many rupees per kg do you save with the cheaper bag?
  26. 26.Shop A sells 3 pens for ₹36. Shop B sells 4 pens for ₹60. Which shop is cheaper for one pen? (a) Shop B (b) Shop A
  27. 27.A 1 kg bag of potatoes costs ₹36. A 10 kg bag costs ₹250. Which bag is cheaper per kg? (a) 1 kg bag (b) 10 kg bag
  28. 28.A 10 kg bag of onions costs ₹350. A 2 kg bag costs ₹52. Which bag is cheaper per kg? (a) 2 kg bag (b) 10 kg bag
  29. 29.Shop A sells 3 colour pencil sets for ₹270. Shop B sells 5 colour pencil sets for ₹500. Which shop is cheaper for one colour pencil set? (a) Shop B (b) Shop A
  30. 30.Shop A sells 2 samosas for ₹26. Shop B sells 5 samosas for ₹90. Which shop is cheaper for one samosa? (a) Shop A (b) Shop B
  31. 31.Shop A sells 6 samosas for ₹90. Shop B sells 2 samosas for ₹34. Which shop is cheaper for one samosa? (a) Shop B (b) Shop A
  32. 32.A 10 kg bag of wheat flour costs ₹300. A 1 kg bag costs ₹39. Which bag is cheaper per kg? (a) 1 kg bag (b) 10 kg bag
  33. 33.A 2 kg bag of rice costs ₹110. A 1 kg bag costs ₹77. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  34. 34.Shop A sells 6 notebooks for ₹270. Shop B sells 3 notebooks for ₹90. What does one notebook cost at the cheaper shop (in ₹)?
  35. 35.A 5 kg bag of wheat flour costs ₹150. A 10 kg bag costs ₹380. Which bag is cheaper per kg? (a) 10 kg bag (b) 5 kg bag
  36. 36.A 2 kg bag of sugar costs ₹88. A 10 kg bag costs ₹460. How many rupees per kg do you save with the cheaper bag?
  37. 37.Shop A sells 3 samosas for ₹36. Shop B sells 2 samosas for ₹28. What does one samosa cost at the cheaper shop (in ₹)?
  38. 38.A 10 kg bag of rice costs ₹640. A 2 kg bag costs ₹110. How many rupees per kg do you save with the cheaper bag?
  39. 39.Shop A sells 5 geometry boxes for ₹625. Shop B sells 4 geometry boxes for ₹380. Which shop is cheaper for one geometry box? (a) Shop B (b) Shop A
  40. 40.A 1 kg bag of potatoes costs ₹37. A 10 kg bag costs ₹290. How many rupees per kg do you save with the cheaper bag?

Answer key

  1. 22
  2. 105
  3. 2 kg bag
  4. 1 kg bag
  5. 1 kg bag
  6. 9
  7. 20
  8. 7
  9. 9
  10. Shop B
  11. 5
  12. Shop B
  13. 8
  14. Shop A
  15. 12
  16. 10 kg bag
  17. 37
  18. Shop A
  19. Shop A
  20. Shop B
  21. 3
  22. 25
  23. 5 kg bag
  24. 1 kg bag
  25. 4
  26. Shop A
  27. 10 kg bag
  28. 2 kg bag
  29. Shop A
  30. Shop A
  31. Shop A
  32. 10 kg bag
  33. 2 kg bag
  34. 30
  35. 5 kg bag
  36. 2
  37. 12
  38. 9
  39. Shop B
  40. 8

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