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.

Expressions with the same base, can be manipulated using the Law of Indices. Change each expression into base of 3 or 5 before applying the laws of indices and decode the puzzle. I f you like this resource search for Index Laws 1 , 2 and 3. Key words: index, indices, notation, expression, index laws, base, bases, power, powers, raining a power to a power, multiply, divide, puzzle, joke, decode, worksheet, practice, math, maths joke, mathematics, (unlock, untangle, understand). Updated 28_09_16

Complete each maze in the most efficient way possible. Add the values of all the squares visited together, match the answer to the appropriate letter to work out the punchline to the joke. Ideal as a diagnostic tool to identify numeracy deficit. Key words: add, addition, revision activity, homework, diagnostic activity for number, total, fraction, mixed numbers, improper fractions, directed numbers, calculation maze, puzzle, joke, practice, math joke, maths jokes, mathematics, did you hear about the four blokes who stole a calendar, unlock untangle understand.