Changing units Class activity Play

Changing units Whiteboard presentation Play

Chord bisector goes through the centre Student activity Play

Circle circumscribed about a triangle Animation Play

Circles inscribed and circumscribed around a trapezium Student activity Play

Common polygons Student activity Play

Common polygons – a hexagon Whiteboard exercise Play

Common polygons – a kite Whiteboard exercise Play

Compiling the data Student activity Play

Compiling the data Whiteboard exercise Play

Completing the table Whiteboard exercise Play

Conclusions Whiteboard exercise Play

Conclusions Student activity Play

Constant speed Whiteboard exercise Play

Constant speed or constant time Student activity Play

Converging lens, f < x < 2f Student activity Play

Corresponding angles Whiteboard exercise Play

Corresponding sides Whiteboard exercise Play

Corresponding sides and angles Student activity Play

Covering the area using rectangles Animation Play

Covering the square with figures Simulation Play

Cracked wall Whiteboard exercise Play

Critical mass Simulation Play

Critical mass Whiteboard exercise Play

Critical mass Student activity Play