Circumscribed circles Whiteboard exercise Play

Circumscribed circles, inscribed polygons Student activity Play

Circumscribed circles, inscribed polygons Animation Play

Circumscribed polygons Animation Play

Circus pavilion Whiteboard exercise Play

Classical concept of probability (1) Class activity Play

Classical concept of probability (1) Whiteboard presentation Play

Classical concept of probability (2) Class activity Play

Classical concept of probability (2) Whiteboard presentation Play

Classical probability Student activity Play

Classical probability Whiteboard exercise Play

Classification of triangles by angles Animation Play

Classification of triangles by sides Animation Play

Clockwise rotation around the centre Whiteboard exercise Play

Cloud seeding Animation Play

Cloud seeding – the variables and the cases Whiteboard exercise Play

Coding a message Whiteboard exercise Play

Coefficient of a monomial Whiteboard exercise Play

Coefficient of  x  squared Whiteboard exercise Play

Coefficients in the general form of the function Whiteboard exercise Play

Coefficients of skewness Whiteboard exercise Play

Coefficients on equal polynomials Whiteboard exercise Play

Coefficients read from Pascal's triangle Animation Play

Coffee Whiteboard exercise Play

Coinciding lines Animation Play

Coins Whiteboard exercise Play

Collect data Student activity Play

Collecting like terms Student activity Play

Collecting like terms Animation Play

Collecting like terms Whiteboard exercise Play