It is likely that you will shop in a supermarket, but will you spot the cheapest deals? ‘Best buy’ questions have been a staple on exam papers for years. Compare offers using equivalent quantities or unit cost to identify the best deal. Devices within the puzzle allow students to self monitor their work and correct errors. Students like to finish a puzzle, but they don’t always like the jokes they decode! Each puzzle also supports literacy. Students have to split the string of letters into recognisable words to answer the joke (answers included). The symbols on the tins are Mongolian numerals.
Key words: best buy, value for money, proportion, equivalent quantities, estimte, unit cost, comparison, compare, ratio, joke, shopping, supermarket.