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Better Buy Worksheet

Money maths lesson 16: Which is the better buy? · Set 833 · 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 dal costs ₹745. A 2 kg bag costs ₹184. How many rupees per kg do you save with the cheaper bag?
  2. 2.A 5 kg bag of rice costs ₹300. A 2 kg bag costs ₹102. Which bag is cheaper per kg? (a) 5 kg bag (b) 2 kg bag
  3. 3.Shop A sells 5 pens for ₹50. Shop B sells 4 pens for ₹88. Which shop is cheaper for one pen? (a) Shop B (b) Shop A
  4. 4.Shop A sells 5 pairs of socks for ₹300. Shop B sells 6 pairs of socks for ₹390. What does one pair of socks cost at the cheaper shop (in ₹)?
  5. 5.Shop A sells 3 geometry boxes for ₹270. Shop B sells 2 geometry boxes for ₹190. What does one geometry box cost at the cheaper shop (in ₹)?
  6. 6.Shop A sells 6 colour pencil sets for ₹570. Shop B sells 4 colour pencil sets for ₹280. What does one colour pencil set cost at the cheaper shop (in ₹)?
  7. 7.A 5 kg bag of potatoes costs ₹100. A 1 kg bag costs ₹39. How many rupees per kg do you save with the cheaper bag?
  8. 8.A 2 kg bag of sugar costs ₹94. A 5 kg bag costs ₹200. Which bag is cheaper per kg? (a) 2 kg bag (b) 5 kg bag
  9. 9.Shop A sells 5 pairs of socks for ₹275. Shop B sells 4 pairs of socks for ₹300. What does one pair of socks cost at the cheaper shop (in ₹)?
  10. 10.Shop A sells 4 mangoes for ₹100. Shop B sells 6 mangoes for ₹240. What does one mango cost at the cheaper shop (in ₹)?
  11. 11.Shop A sells 2 colour pencil sets for ₹160. Shop B sells 3 colour pencil sets for ₹285. Which shop is cheaper for one colour pencil set? (a) Shop A (b) Shop B
  12. 12.Shop A sells 4 mangoes for ₹120. Shop B sells 3 mangoes for ₹120. What does one mango cost at the cheaper shop (in ₹)?
  13. 13.A 2 kg bag of rice costs ₹136. A 10 kg bag costs ₹620. How many rupees per kg do you save with the cheaper bag?
  14. 14.A 1 kg bag of tomatoes costs ₹28. A 2 kg bag costs ₹72. How many rupees per kg do you save with the cheaper bag?
  15. 15.Shop A sells 6 cricket balls for ₹690. Shop B sells 3 cricket balls for ₹405. Which shop is cheaper for one cricket ball? (a) Shop B (b) Shop A
  16. 16.Shop A sells 2 plates of idli for ₹60. Shop B sells 5 plates of idli for ₹275. Which shop is cheaper for one plate of idli? (a) Shop A (b) Shop B
  17. 17.Shop A sells 3 mangoes for ₹90. Shop B sells 2 mangoes for ₹80. Which shop is cheaper for one mango? (a) Shop B (b) Shop A
  18. 18.Shop A sells 4 pairs of socks for ₹200. Shop B sells 2 pairs of socks for ₹140. Which shop is cheaper for one pair of socks? (a) Shop B (b) Shop A
  19. 19.Shop A sells 3 geometry boxes for ₹240. Shop B sells 6 geometry boxes for ₹600. Which shop is cheaper for one geometry box? (a) Shop A (b) Shop B
  20. 20.A 5 kg bag of wheat flour costs ₹225. A 10 kg bag costs ₹320. Which bag is cheaper per kg? (a) 5 kg bag (b) 10 kg bag
  21. 21.Shop A sells 5 colour pencil sets for ₹400. Shop B sells 3 colour pencil sets for ₹360. What does one colour pencil set cost at the cheaper shop (in ₹)?
  22. 22.Shop A sells 3 mangoes for ₹60. Shop B sells 5 mangoes for ₹150. Which shop is cheaper for one mango? (a) Shop B (b) Shop A
  23. 23.Shop A sells 2 plates of idli for ₹60. Shop B sells 3 plates of idli for ₹180. Which shop is cheaper for one plate of idli? (a) Shop B (b) Shop A
  24. 24.A 2 kg bag of tomatoes costs ₹76. A 1 kg bag costs ₹23. Which bag is cheaper per kg? (a) 2 kg bag (b) 1 kg bag
  25. 25.A 1 kg bag of rice costs ₹79. A 2 kg bag costs ₹134. Which bag is cheaper per kg? (a) 2 kg bag (b) 1 kg bag
  26. 26.Shop A sells 6 pairs of socks for ₹330. Shop B sells 3 pairs of socks for ₹195. Which shop is cheaper for one pair of socks? (a) Shop B (b) Shop A
  27. 27.A 1 kg bag of wheat flour costs ₹40. A 5 kg bag costs ₹175. How many rupees per kg do you save with the cheaper bag?
  28. 28.Shop A sells 3 pens for ₹33. Shop B sells 4 pens for ₹56. What does one pen cost at the cheaper shop (in ₹)?
  29. 29.A 2 kg bag of tomatoes costs ₹42. A 10 kg bag costs ₹410. Which bag is cheaper per kg? (a) 10 kg bag (b) 2 kg bag
  30. 30.Shop A sells 2 samosas for ₹40. Shop B sells 4 samosas for ₹52. What does one samosa cost at the cheaper shop (in ₹)?
  31. 31.Shop A sells 2 pens for ₹20. Shop B sells 3 pens for ₹36. What does one pen cost at the cheaper shop (in ₹)?
  32. 32.A 2 kg bag of dal costs ₹214. A 5 kg bag costs ₹590. Which bag is cheaper per kg? (a) 5 kg bag (b) 2 kg bag
  33. 33.Shop A sells 3 pairs of socks for ₹240. Shop B sells 2 pairs of socks for ₹170. Which shop is cheaper for one pair of socks? (a) Shop B (b) Shop A
  34. 34.A 5 kg bag of sugar costs ₹245. A 10 kg bag costs ₹460. How many rupees per kg do you save with the cheaper bag?
  35. 35.Shop A sells 6 geometry boxes for ₹870. Shop B sells 4 geometry boxes for ₹320. Which shop is cheaper for one geometry box? (a) Shop B (b) Shop A
  36. 36.A 2 kg bag of wheat flour costs ₹72. A 1 kg bag costs ₹40. How many rupees per kg do you save with the cheaper bag?
  37. 37.Shop A sells 6 cricket balls for ₹660. Shop B sells 4 cricket balls for ₹520. What does one cricket ball cost at the cheaper shop (in ₹)?
  38. 38.Shop A sells 4 cricket balls for ₹540. Shop B sells 2 cricket balls for ₹280. What does one cricket ball cost at the cheaper shop (in ₹)?
  39. 39.A 5 kg bag of rice costs ₹225. A 2 kg bag costs ₹84. How many rupees per kg do you save with the cheaper bag?
  40. 40.Shop A sells 5 pens for ₹100. Shop B sells 6 pens for ₹60. What does one pen cost at the cheaper shop (in ₹)?

Answer key

  1. 57
  2. 2 kg bag
  3. Shop A
  4. 60
  5. 90
  6. 70
  7. 19
  8. 5 kg bag
  9. 55
  10. 25
  11. Shop A
  12. 30
  13. 6
  14. 8
  15. Shop A
  16. Shop A
  17. Shop A
  18. Shop A
  19. Shop A
  20. 10 kg bag
  21. 80
  22. Shop A
  23. Shop A
  24. 1 kg bag
  25. 2 kg bag
  26. Shop A
  27. 5
  28. 11
  29. 2 kg bag
  30. 13
  31. 10
  32. 2 kg bag
  33. Shop A
  34. 3
  35. Shop B
  36. 4
  37. 110
  38. 135
  39. 3
  40. 10

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