The interior angle of a regular polygon Student activity Play

The interior angle of a regular polygon – proof (1) Animation Play

The interior angle of a regular polygon – proof (2) Animation Play

The measure of the angles Whiteboard exercise Play

The mode in a grouped variable Student activity Play

The signs of the trigonometric functions Student activity Play

The signs of trigonometric functions Whiteboard exercise Play

The signs of trigonometric functions – clockwise turn Whiteboard exercise Play

The simplest quadratic inequalities Whiteboard exercise Play

The simplest quadratic inequalities Student activity Play

The sine and coordinates of the points Animation Play

The sine of an arbitrary angle Student activity Play

The time interval between two cars Whiteboard exercise Play

The trapezium rule Animation Play

The trapezium rule Student activity Play

Three simultaneous inequalities Animation Play

Trigonometric functions of the general angle Student activity Play

Types of pyramids Student activity Play

Types of pyramids – regular pyramid Simulation Play

Using a bisection method Student activity Play

Using a bisection method Whiteboard exercise Play

Using rectangles to approximate area Whiteboard exercise Play

Using the trapezium rule Whiteboard exercise Play

Variance for grouped data Student activity Play

Velocity–time graph Student activity Play