Identify angles as measures of turn and compare angle sizes in everyday situations

Compare angles and classify them as equal to, greater than or less than a right angle

Estimate, measure and compare angles using degrees.

Construct angles using a protractor Investigate, with and without digital technologies, angles on a straight line, angles at a point and vertically opposite angles. Use results to find unknown angles

Identify corresponding, alternate and cointerior angles when two straight lines are crossed by a transversal

Investigate conditions for two lines to be parallel and solve simple numerical problems using reasoning

Classify triangles according to their side and angle properties and describe quadrilaterals

Demonstrate that the angle sum of a triangle is 180° and use this to find the angle sum of a quadrilateral

Define congruence of plane shapes using transformations

Develop the conditions for congruence of triangles

Establish properties of quadrilaterals using congruent triangles and angle properties, and solve related numerical problems using reasoning

Use the enlargement transformation to explain similarity and develop the conditions for triangles to be similar

Solve problems using ratio and scale factors in similar figures

Formulate proofs involving congruent triangles and angle properties

Apply logical reasoning, including the use of congruence and similarity, to proofs and numerical exercises involving plane shapes

Prove and apply angle and chord properties of circles