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Co – ordinates (3, 5) (9, 2) (9, ) 5 (3, ) 2 Do you need gridlines to read co – ordinates? No – not if you have some co – ordinates in place (3, 5) (9, 2) (9, ) 5 (3, ) 2

(…, …) (14, 14) (…, …) (4, 7)

(…, …) (14, 10) (…, …) (-2, 4)

(…, …) (16, 6) (…, …) (4, -2)

(-3, 3) (…, …) (…, …) (7, -2)

How to work out the length of a line 6 (3, 2) (9, 2) 8 (7, 12) (15, 12) 12 (1, 4) (13, 4)

How to work out mid point of a line Half way between the x co-ordinates (3, 2) (6, 2) (9, 2) (7, 12) (11, 12) (15, 12) (1, 4) (7, 4) (13, 4)

How to work out mid point of a line Half way between the y co-ordinates (1, 12) (3, 20) (7, 16) (1, 8) (3, 13) (7, 9) (1, 4) (3, 6) (7, 2)

(5, 18) (8, 20) (1, 4) (4, 2)

9 3 6 (3, 5) (9, 2) (3, ) (9, ) 2 5 (6, 2)

(3, 6) (9, 2) (3, ) (9, ) 2 6 6 (3, 4) 4 2

(…, 8) (…, …) (…, …) (3, ) 2