Working in the Cartesian plane

Work with coordinates in all four quadrants

Identify and draw lines that are parallel to the axes

Recognise and use the line y=x

Recognise and use lines of the form y=kx

Link y=kx to direct proportion problems

Explore the gradient of the line y=kx (H)

Recognise and use lines of the form y=x+a

Explore graphs with negative gradient (y=-kx, y=a-x, x+y=a)

Link graphs to linear sequences

Plot graphs of the form y=mx+c

Explore non-linear graphs (H)

Find the midpoint of a line segment (H)