Construction of a circle circumscribed about a quadrilateral Student activity Play

Construction of a circle with the diameter Animation Play

Construction of a straight angle Animation Play

Coordinates – the city hall Whiteboard exercise Play

Definition of enlargement Student activity Play

Describing position on the city plan Whiteboard exercise Play

Different types of equilibrium Animation Play

Different types of equilibrium Student activity Play

Different types of equilibrium Whiteboard exercise Play

Different types of neurones Slideshow Play

Discs in the coordinate system Student activity Play

Distance between centres of two circles Whiteboard exercise Play

Distance to the horizon Animation Play

Drawing an inscribed angle Simulation Play

Drawing angles Student activity Play

Drawing the circle of the given equation Whiteboard exercise Play

Elastic potential energy Student activity Play

Elastic potential energy Whiteboard exercise Play

Elasticity Animation Play

Enlargement on the plane Animation Play

Enlargement with centre at point (0, 0) Animation Play

Enlargements Whiteboard presentation Play

Enlargements Class activity Play

Enlargements in the coordinate system Student activity Play

Enlargements in the coordinate system Student activity Play