A full angle Whiteboard exercise Play

A straight angle Whiteboard exercise Play

Alternate angles Whiteboard exercise Play

Angle sum of a triangle Simulation Play

Angle sum of a triangle – exercises Student activity Play

Angle sum of a triangle – observation and proof Student activity Play

Angles Simulation Play

Angles on a straight line and angles round a point Student activity Play

Classification of triangles by angles Animation Play

Classification of triangles by sides Animation Play

Construction of a full angle Animation Play

Construction of a straight angle Animation Play

Determining angles Whiteboard exercise Play

Exterior angle of a triangle Whiteboard exercise Play

Exterior angle of a triangle – exercises Student activity Play

Exterior angle of a triangle – observation and proof Student activity Play

Exterior angle of a triangle – proof Animation Play

Finding angles Whiteboard exercise Play

Identical plates Simulation Play

Kinds of angles Simulation Play

Kinds of angles – reminder Student activity Play

Kinds of triangles – classification by angles Simulation Play

Kinds of triangles – classification by angles Student activity Play

Kinds of triangles – classification by angles and sides Simulation Play

Kinds of triangles – classification by sides Simulation Play

Kinds of triangles – classification by sides Student activity Play

Reasoning with angles Student activity Play

Reasoning with angles Whiteboard exercise Play

Supplementary, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Whiteboard exercise Play