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Better Buy Worksheet

Money maths lesson 16: Which is the better buy? · Set 683 · 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 ₹210. A 1 kg bag costs ₹40. How many rupees per kg do you save with the cheaper bag?
  2. 2.Shop A sells 2 colour pencil sets for ₹180. Shop B sells 3 colour pencil sets for ₹240. What does one colour pencil set cost at the cheaper shop (in ₹)?
  3. 3.A 2 kg bag of wheat flour costs ₹66. A 10 kg bag costs ₹500. How many rupees per kg do you save with the cheaper bag?
  4. 4.A 10 kg bag of potatoes costs ₹230. A 2 kg bag costs ₹76. How many rupees per kg do you save with the cheaper bag?
  5. 5.A 5 kg bag of dal costs ₹655. A 2 kg bag costs ₹192. How many rupees per kg do you save with the cheaper bag?
  6. 6.Shop A sells 5 cricket balls for ₹700. Shop B sells 3 cricket balls for ₹345. Which shop is cheaper for one cricket ball? (a) Shop A (b) Shop B
  7. 7.Shop A sells 4 pens for ₹72. Shop B sells 3 pens for ₹69. What does one pen cost at the cheaper shop (in ₹)?
  8. 8.Shop A sells 4 plates of idli for ₹120. Shop B sells 3 plates of idli for ₹150. Which shop is cheaper for one plate of idli? (a) Shop B (b) Shop A
  9. 9.Shop A sells 6 pens for ₹102. Shop B sells 4 pens for ₹76. What does one pen cost at the cheaper shop (in ₹)?
  10. 10.Shop A sells 3 colour pencil sets for ₹315. Shop B sells 4 colour pencil sets for ₹460. What does one colour pencil set cost at the cheaper shop (in ₹)?
  11. 11.Shop A sells 3 cricket balls for ₹450. Shop B sells 4 cricket balls for ₹440. Which shop is cheaper for one cricket ball? (a) Shop A (b) Shop B
  12. 12.A 1 kg bag of sugar costs ₹50. A 2 kg bag costs ₹80. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  13. 13.Shop A sells 2 cricket balls for ₹260. Shop B sells 4 cricket balls for ₹580. Which shop is cheaper for one cricket ball? (a) Shop A (b) Shop B
  14. 14.A 5 kg bag of potatoes costs ₹130. A 1 kg bag costs ₹36. How many rupees per kg do you save with the cheaper bag?
  15. 15.A 1 kg bag of onions costs ₹50. A 10 kg bag costs ₹270. How many rupees per kg do you save with the cheaper bag?
  16. 16.Shop A sells 5 samosas for ₹80. Shop B sells 4 samosas for ₹80. Which shop is cheaper for one samosa? (a) Shop A (b) Shop B
  17. 17.Shop A sells 2 cricket balls for ₹200. Shop B sells 6 cricket balls for ₹690. Which shop is cheaper for one cricket ball? (a) Shop A (b) Shop B
  18. 18.A 2 kg bag of potatoes costs ₹66. A 5 kg bag costs ₹200. Which bag is cheaper per kg? (a) 5 kg bag (b) 2 kg bag
  19. 19.Shop A sells 3 pens for ₹30. Shop B sells 5 pens for ₹85. What does one pen cost at the cheaper shop (in ₹)?
  20. 20.A 2 kg bag of potatoes costs ₹66. A 1 kg bag costs ₹23. Which bag is cheaper per kg? (a) 2 kg bag (b) 1 kg bag
  21. 21.Shop A sells 2 mangoes for ₹60. Shop B sells 5 mangoes for ₹125. Which shop is cheaper for one mango? (a) Shop A (b) Shop B
  22. 22.Shop A sells 5 geometry boxes for ₹575. Shop B sells 6 geometry boxes for ₹750. Which shop is cheaper for one geometry box? (a) Shop A (b) Shop B
  23. 23.A 5 kg bag of wheat flour costs ₹150. A 10 kg bag costs ₹490. How many rupees per kg do you save with the cheaper bag?
  24. 24.A 1 kg bag of tomatoes costs ₹37. A 5 kg bag costs ₹125. How many rupees per kg do you save with the cheaper bag?
  25. 25.A 1 kg bag of potatoes costs ₹26. A 2 kg bag costs ₹58. How many rupees per kg do you save with the cheaper bag?
  26. 26.A 5 kg bag of sugar costs ₹210. A 10 kg bag costs ₹470. How many rupees per kg do you save with the cheaper bag?
  27. 27.A 10 kg bag of tomatoes costs ₹590. A 5 kg bag costs ₹225. How many rupees per kg do you save with the cheaper bag?
  28. 28.A 1 kg bag of rice costs ₹64. A 10 kg bag costs ₹690. Which bag is cheaper per kg? (a) 10 kg bag (b) 1 kg bag
  29. 29.A 2 kg bag of potatoes costs ₹46. A 10 kg bag costs ₹310. How many rupees per kg do you save with the cheaper bag?
  30. 30.A 10 kg bag of rice costs ₹540. A 5 kg bag costs ₹315. Which bag is cheaper per kg? (a) 5 kg bag (b) 10 kg bag
  31. 31.A 2 kg bag of onions costs ₹72. A 10 kg bag costs ₹540. How many rupees per kg do you save with the cheaper bag?
  32. 32.A 1 kg bag of potatoes costs ₹39. A 10 kg bag costs ₹360. Which bag is cheaper per kg? (a) 1 kg bag (b) 10 kg bag
  33. 33.A 1 kg bag of wheat flour costs ₹30. A 2 kg bag costs ₹66. Which bag is cheaper per kg? (a) 1 kg bag (b) 2 kg bag
  34. 34.Shop A sells 3 pairs of socks for ₹210. Shop B sells 5 pairs of socks for ₹450. Which shop is cheaper for one pair of socks? (a) Shop A (b) Shop B
  35. 35.Shop A sells 5 cricket balls for ₹625. Shop B sells 4 cricket balls for ₹540. What does one cricket ball cost at the cheaper shop (in ₹)?
  36. 36.A 2 kg bag of rice costs ₹100. A 5 kg bag costs ₹355. Which bag is cheaper per kg? (a) 2 kg bag (b) 5 kg bag
  37. 37.Shop A sells 3 geometry boxes for ₹420. Shop B sells 4 geometry boxes for ₹380. What does one geometry box cost at the cheaper shop (in ₹)?
  38. 38.Shop A sells 4 notebooks for ₹240. Shop B sells 5 notebooks for ₹175. What does one notebook cost at the cheaper shop (in ₹)?
  39. 39.A 1 kg bag of potatoes costs ₹37. A 5 kg bag costs ₹100. Which bag is cheaper per kg? (a) 5 kg bag (b) 1 kg bag
  40. 40.A 2 kg bag of onions costs ₹104. A 5 kg bag costs ₹205. How many rupees per kg do you save with the cheaper bag?

Answer key

  1. 19
  2. 80
  3. 17
  4. 15
  5. 35
  6. Shop B
  7. 18
  8. Shop A
  9. 17
  10. 105
  11. Shop B
  12. 2 kg bag
  13. Shop A
  14. 10
  15. 23
  16. Shop A
  17. Shop A
  18. 2 kg bag
  19. 10
  20. 1 kg bag
  21. Shop B
  22. Shop A
  23. 19
  24. 12
  25. 3
  26. 5
  27. 14
  28. 1 kg bag
  29. 8
  30. 10 kg bag
  31. 18
  32. 10 kg bag
  33. 1 kg bag
  34. Shop A
  35. 125
  36. 2 kg bag
  37. 95
  38. 35
  39. 5 kg bag
  40. 11

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