Building the binomial expansion Whiteboard exercise Play

Building triangles Whiteboard exercise Play

Calculating the area of a triangle Whiteboard exercise Play

Calculating the area of a triangle Student activity Play

Calculating the area of a triangle Whiteboard exercise Play

Calculating the sides of a triangle Animation Play

Calculating the values of binomial coefficients Animation Play

Calculations using the speed equations triangle Whiteboard exercise Play

Central and inscribed angles on the same arc – relationship Student activity Play

Central and inscribed angles on the same arc – relationship Animation Play

Centre of enlargement Whiteboard exercise Play

Centre of enlargement Student activity Play

Centroid of a triangle Animation Play

Changeability of energy Animation Play

Charles's law Whiteboard exercise Play

Charles's law Student activity Play

Charles's law (1) Whiteboard exercise Play

Charles's law (1) Student activity Play

Charles's law (2) Whiteboard exercise Play

Charles's law (2) Student activity Play

Charles's law – experimental observations Animation Play

Charles's law – mathematical and graphical interpretation Animation Play

Checking the triangle Animation Play

Checking the triangle in the coordinate system Whiteboard exercise Play

Chord bisector goes through the centre Student activity Play