The Grand Canyon Student activity Play

The Grand Canyon Whiteboard exercise Play

The graph of the sine Student activity Play

The graph of the sine function Student activity Play

The hands of a clock Whiteboard exercise Play

The height of a tree Whiteboard exercise Play

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 interior angles of a polygon Student activity Play

The Law of Reflection Simulation Play

The Law of Reflection Student activity Play

The Law of Reflection Whiteboard exercise Play

The law of refraction Whiteboard exercise Play

The law of refraction Student activity Play

The Law of Wave Reflection Student activity Play

The Law of Wave Reflection Animation Play

The Law of Wave Reflection Whiteboard exercise Play

The Law of Wave Refraction Animation Play

The Law of Wave Refraction Whiteboard exercise Play

The Law of Wave Refraction Student activity Play

The length of an arc Whiteboard exercise Play

The length of an arc Student activity Play

The length of an arc – finding the angle Whiteboard exercise Play

The length of the altitude in the triangle Whiteboard exercise Play