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Better Buy Worksheet

Money maths lesson 16: Which is the better buy? · Set 900 · 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 10 kg bag of potatoes costs ₹270. A 2 kg bag costs ₹40. Which bag is cheaper per kg? (a) 10 kg bag (b) 2 kg bag
  2. 2.Shop A sells 4 geometry boxes for ₹500. Shop B sells 5 geometry boxes for ₹675. Which shop is cheaper for one geometry box? (a) Shop B (b) Shop A
  3. 3.A 2 kg bag of dal costs ₹204. A 10 kg bag costs ₹940. Which bag is cheaper per kg? (a) 2 kg bag (b) 10 kg bag
  4. 4.Shop A sells 5 geometry boxes for ₹550. Shop B sells 4 geometry boxes for ₹480. What does one geometry box cost at the cheaper shop (in ₹)?
  5. 5.A 5 kg bag of dal costs ₹590. A 2 kg bag costs ₹218. Which bag is cheaper per kg? (a) 2 kg bag (b) 5 kg bag
  6. 6.Shop A sells 6 pens for ₹66. Shop B sells 2 pens for ₹48. What does one pen cost at the cheaper shop (in ₹)?
  7. 7.A 2 kg bag of onions costs ₹54. A 10 kg bag costs ₹240. How many rupees per kg do you save with the cheaper bag?
  8. 8.Shop A sells 2 pairs of socks for ₹170. Shop B sells 5 pairs of socks for ₹275. What does one pair of socks cost at the cheaper shop (in ₹)?
  9. 9.Shop A sells 5 pairs of socks for ₹350. Shop B sells 6 pairs of socks for ₹480. What does one pair of socks cost at the cheaper shop (in ₹)?
  10. 10.Shop A sells 2 pens for ₹46. Shop B sells 3 pens for ₹54. What does one pen cost at the cheaper shop (in ₹)?
  11. 11.Shop A sells 5 pairs of socks for ₹350. Shop B sells 4 pairs of socks for ₹240. Which shop is cheaper for one pair of socks? (a) Shop A (b) Shop B
  12. 12.Shop A sells 6 notebooks for ₹240. Shop B sells 4 notebooks for ₹240. What does one notebook cost at the cheaper shop (in ₹)?
  13. 13.Shop A sells 6 mangoes for ₹150. Shop B sells 4 mangoes for ₹140. Which shop is cheaper for one mango? (a) Shop A (b) Shop B
  14. 14.Shop A sells 2 plates of idli for ₹60. Shop B sells 5 plates of idli for ₹175. What does one plate of idli cost at the cheaper shop (in ₹)?
  15. 15.Shop A sells 2 geometry boxes for ₹260. Shop B sells 3 geometry boxes for ₹285. What does one geometry box cost at the cheaper shop (in ₹)?
  16. 16.A 10 kg bag of dal costs ₹1180. A 2 kg bag costs ₹246. Which bag is cheaper per kg? (a) 2 kg bag (b) 10 kg bag
  17. 17.Shop A sells 3 notebooks for ₹165. Shop B sells 5 notebooks for ₹250. What does one notebook cost at the cheaper shop (in ₹)?
  18. 18.A 1 kg bag of tomatoes costs ₹36. A 2 kg bag costs ₹102. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  19. 19.A 10 kg bag of rice costs ₹450. A 2 kg bag costs ₹156. Which bag is cheaper per kg? (a) 10 kg bag (b) 2 kg bag
  20. 20.Shop A sells 2 cricket balls for ₹210. Shop B sells 6 cricket balls for ₹780. What does one cricket ball cost at the cheaper shop (in ₹)?
  21. 21.A 10 kg bag of tomatoes costs ₹490. A 1 kg bag costs ₹45. How many rupees per kg do you save with the cheaper bag?
  22. 22.A 1 kg bag of potatoes costs ₹30. A 10 kg bag costs ₹260. Which bag is cheaper per kg? (a) 1 kg bag (b) 10 kg bag
  23. 23.Shop A sells 3 plates of idli for ₹150. Shop B sells 4 plates of idli for ₹180. Which shop is cheaper for one plate of idli? (a) Shop B (b) Shop A
  24. 24.Shop A sells 3 geometry boxes for ₹270. Shop B sells 6 geometry boxes for ₹810. What does one geometry box cost at the cheaper shop (in ₹)?
  25. 25.A 5 kg bag of sugar costs ₹245. A 2 kg bag costs ₹86. Which bag is cheaper per kg? (a) 5 kg bag (b) 2 kg bag
  26. 26.A 5 kg bag of sugar costs ₹240. A 2 kg bag costs ₹98. How many rupees per kg do you save with the cheaper bag?
  27. 27.A 1 kg bag of potatoes costs ₹23. A 2 kg bag costs ₹48. Which bag is cheaper per kg? (a) 2 kg bag (b) 1 kg bag
  28. 28.A 1 kg bag of wheat flour costs ₹30. A 10 kg bag costs ₹410. How many rupees per kg do you save with the cheaper bag?
  29. 29.Shop A sells 5 notebooks for ₹225. Shop B sells 3 notebooks for ₹165. What does one notebook cost at the cheaper shop (in ₹)?
  30. 30.A 1 kg bag of sugar costs ₹50. A 2 kg bag costs ₹92. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  31. 31.A 2 kg bag of rice costs ₹114. A 1 kg bag costs ₹62. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  32. 32.A 2 kg bag of tomatoes costs ₹116. A 5 kg bag costs ₹125. Which bag is cheaper per kg? (a) 5 kg bag (b) 2 kg bag
  33. 33.A 10 kg bag of rice costs ₹570. A 2 kg bag costs ₹106. Which bag is cheaper per kg? (a) 10 kg bag (b) 2 kg bag
  34. 34.A 10 kg bag of potatoes costs ₹200. A 2 kg bag costs ₹68. How many rupees per kg do you save with the cheaper bag?
  35. 35.A 5 kg bag of potatoes costs ₹105. A 1 kg bag costs ₹36. Which bag is cheaper per kg? (a) 1 kg bag (b) 5 kg bag
  36. 36.A 5 kg bag of rice costs ₹235. A 1 kg bag costs ₹75. How many rupees per kg do you save with the cheaper bag?
  37. 37.Shop A sells 6 pens for ₹84. Shop B sells 2 pens for ₹44. Which shop is cheaper for one pen? (a) Shop B (b) Shop A
  38. 38.Shop A sells 3 mangoes for ₹120. Shop B sells 6 mangoes for ₹180. What does one mango cost at the cheaper shop (in ₹)?
  39. 39.A 2 kg bag of sugar costs ₹82. A 10 kg bag costs ₹470. Which bag is cheaper per kg? (a) 10 kg bag (b) 2 kg bag
  40. 40.Shop A sells 5 pairs of socks for ₹300. Shop B sells 4 pairs of socks for ₹340. Which shop is cheaper for one pair of socks? (a) Shop A (b) Shop B

Answer key

  1. 2 kg bag
  2. Shop A
  3. 10 kg bag
  4. 110
  5. 2 kg bag
  6. 11
  7. 3
  8. 55
  9. 70
  10. 18
  11. Shop B
  12. 40
  13. Shop A
  14. 30
  15. 95
  16. 10 kg bag
  17. 50
  18. 1 kg bag
  19. 10 kg bag
  20. 105
  21. 4
  22. 10 kg bag
  23. Shop B
  24. 90
  25. 2 kg bag
  26. 1
  27. 1 kg bag
  28. 11
  29. 45
  30. 2 kg bag
  31. 2 kg bag
  32. 5 kg bag
  33. 2 kg bag
  34. 14
  35. 5 kg bag
  36. 28
  37. Shop A
  38. 30
  39. 2 kg bag
  40. Shop A

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