Measuring angles by using a protractor Whiteboard exercise Play

Measuring angles of reflection Simulation Play

Mutual position of lines and interior angles in a triangle Class activity Play

Mutual position of lines and interior angles in a triangle Whiteboard presentation Play

Myocardial infarction – acute outcome of chronic disease Student activity Play

Myocardial infarction – acute outcome of chronic disease Whiteboard exercise Play

Obtuse angles Student activity Play

Obtuse angles Whiteboard exercise Play

Opposite angles of a parallelogram Animation Play

Parallel lines and alternate angles Student activity Play

Parallel lines and alternate angles Whiteboard exercise Play

Parallel lines and corresponding angles Whiteboard exercise Play

Parallel lines and corresponding angles Student activity Play

Parallelograms, rhombuses and trapeziums – properties of angles Whiteboard exercise Play

Parallelograms, rhombuses and trapeziums – properties of angles Student activity Play

Problems involving properties of angles and parallel lines Class activity Play

Problems involving properties of angles and parallel lines Whiteboard presentation Play

Proofs and assumptions Student activity Play

Proofs and assumptions Whiteboard exercise Play

Properties of angles in a trapezium Animation Play

Quadrantal angles Student activity Play

Quadrantal angles Whiteboard exercise Play

Radian measure of angles Animation Play

Reasoning with angles Whiteboard exercise Play

Reasoning with angles Student activity Play