Blot and symmetry Animation Play

Chord bisector goes through the centre Student activity Play

Circle inscribed into a parallelogram Simulation Play

Circle inscribed into a triangle Student activity Play

Coinciding lines Animation Play

Common points of two lines in space Whiteboard exercise Play

Common points of two lines in space Student activity Play

Constructing a perpendicular bisector Simulation Play

Constructing a perpendicular to a given line Simulation Play

Constructing a perpendicular to line at a point off the line Simulation Play

Construction of a circle inscribed into a triangle Animation Play

Construction of a parallel line Animation Play

Construction of a perpendicular bisector Animation Play

Construction of a perpendicular line Simulation Play

Construction of a regular pentagon Animation Play

Construction of a right-angled triangle Simulation Play

Construction of a square Simulation Play

Construction of a tangent to a circle through a point not on the circle Animation Play

Construction of bisectors Simulation Play

Construction of flat kites Animation Play

Converting Imperial units of length Whiteboard exercise Play

Crossing lines cut by two parallel lines Animation Play

Cubes – parallel edges and perpendicular edges, nets Student activity Play

Cubes – perpendicular faces and nets Student activity Play

Cuboids – parallel edges and perpendicular edges Student activity Play