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Martha from Tattingstone School sent us a lovely solution for this. She had obviously worked very hard and done some deep thinking.

Martha's solution.

1) ( 2, -2)
2) (3.5 , -0.5)
3) (5 , 1)
4) (5 , -2)
5) (3.5 , -3.5)
6) (2 , -5)
7) (-1 , -5)
8) (-1 , 1)
9) (0.5 , 3.5)
10) (5 , -5)
1) ( -2, 2)
2) (-0.5 , 3.5)
3) (1 ,5)
4) (1 ,2)
5) (-0.5 , 0.5)
6) (-2 ,-1)
7) (-5 ,-1)
8) (-5 ,5)
9) (-3.5 ,0.5)
10) (1 ,-1)

Martha's workings.

Can you see why the numbers 'swapped around' for the points that Martha has labelled 1, 2 and 3? Can you see why the others are all 'four away from the others'? What does Martha mean by 'swapped around' and 'four away from'? Can you think of a clearer way of saying it?