Gradients of perpendicular lines Student activity Play

Gradients of perpendicular lines Whiteboard exercise Play

Graph of a function  y = ax Student activity Play

Graph of a function  y = ax,  for any  a Student activity Play

Graph of a linear function Class activity Play

Graph of a linear function Whiteboard presentation Play

Graph of a straight line Whiteboard exercise Play

Graph of a straight line Student activity Play

Graphical solution of equations (1) Whiteboard presentation Play

Graphical solution of equations (1) Class activity Play

Graphical solution of equations (2) Whiteboard presentation Play

Graphical solution of equations (2) Class activity Play

Graphical solution of inequalities (1) Class activity Play

Graphical solution of inequalities (1) Whiteboard presentation Play

Horizontal and vertical lines in the Cartesian coordinate system Student activity Play

Horizontal and vertical lines in the Cartesian coordinate system Whiteboard exercise Play

Horizontal lines Whiteboard exercise Play

Horizontal lines Student activity Play

How do equal angles imply parallel lines? Animation Play

How much does it cost? Student activity Play

How to construct a line parallel to a given line Student activity Play

How to construct a line perpendicular to a given line Student activity Play

How to construct a line perpendicular to a given line Animation Play

How to construct an isosceles triangle Student activity Play

How to estimate the gradient of a curve Animation Play