Symmetry in a circle Student activity Play

The dangers of using inorganic fertilizers Slideshow Play

The distance between the centres of circles Student activity Play

The examples of using the trapezium rule Animation Play

The first tangent theorem – perpendicularity Student activity Play

The formula for the space diagonal of a cube Student activity Play

The reasons for using circles Animation Play

The standard index form on the calculator display Student activity Play

Triangles Student activity Play

Using a bisection method Whiteboard exercise Play

Using a bisection method Student activity Play

Using a burette Whiteboard exercise Play

Using a burette Student activity Play

Using a compass Animation Play

Using a formula Whiteboard exercise Play

Using a map Whiteboard exercise Play

Using a map Student activity Play

Using a percentage Whiteboard exercise Play

Using a pipette Whiteboard exercise Play

Using a pipette Student activity Play

Using a ruler and a compass Animation Play

Using a trick Animation Play

Using a trick in finding roots Whiteboard exercise Play

Using a trick in finding roots Student activity Play

Using algebraic expressions Student activity Play