Assumed knowledge (Mathematics Skills)

Relationships as graphs (printable handout)

This 8 minute video covers the Cartesian co-ordinate system and drawing graphs.

Gradient (printable handout)

This 6 minute video covers how to 

• find the gradient (or slope) of a straight line (linear)
  
• drawing a line using a point and the gradient

The Linear equation (printable handout)

This 9 minute video covers:

• the linear equation
• finding the gradient and the \(y\)-intercept
• using the slope-point equation
• equations of special lines (e.g. horizontal and vertical lines).