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Harjun sent in this image to show us where the ten squares are:
There is just one square which you've mis-drawn a line in I think, Harjun. Can you see which one it is?Akalya and Michelle from Devonshire Primary School and Esther sent in the coordinates of the 10 squares so we can check that way, too:
1.(2,-3) (-1,-3) (-1,-6) (2,-6)Thank you to all of you - I thought this problem was more difficult than it sounded!