Could you solve a money puzzle like the one below?  Have a go at home – all you need is a grid and some money!

First draw your grid ( the more squares you have, the more difficult it is).

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Now put coins on to the grid.  Leave the column at the end empty and also the row along the bottom.

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Once all the squares have a coin in them, you need to add up the rows and columns and write the amounts in the spaces at the end.

 

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Now take all the coins off the grid.  Your partner has to put them back on in the correct places so that all of the totals match the numbers at the end of the columns and rows!

Good luck!