Calculating the area of a triangle Whiteboard exercise Play

Calculating the length of a side of a square Whiteboard exercise Play

Calculating the perimeter of a rectangle Whiteboard exercise Play

Calculating the perimeter of a square Whiteboard exercise Play

Calculating values of a function Student activity Play

Can we guess a function from its graph? Student activity Play

Central and inscribed angles Student activity Play

Central and inscribed angles on the same arc Whiteboard exercise Play

Centre of enlargement Whiteboard exercise Play

Centre of enlargement Student activity Play

Certain event, impossible event, opposite event Student activity Play

Changing metric units Animation Play

Changing metric units of length Whiteboard exercise Play

Changing metric units of length Student activity Play

Changing metric units – the correct lengths Whiteboard exercise Play

Checking the triangle in the coordinate system Whiteboard exercise Play

Choosing the best offer Student activity Play

Chords and diameters Student activity Play

Circular glass pots Animation Play

Collecting like terms and finding equal polynomials Whiteboard exercise Play

Common polygons Student activity Play

Common polygons – a kite Whiteboard exercise Play

Common tangents Student activity Play

Commutativity of like terms addition Animation Play

Commutativity of like terms addition Student activity Play