Geometry

Foundation: Sort, describe and name familiar two dimensional shapes and three dimensional objects in the environment

G_BI_I2_fig3

All of these quadrilaterals are congruent.

Year 10: Apply logical reasoning, including the use of congruence and similarity, to proofs and numerical exercises involving plane shapes.

Year 10: Formulate proofs involving congruent triangles and angle properties

Year 10: Solve problems involving parallel and perpendicular lines

Year 10A: Prove and apply angle and chord properties of circles

Year 1: Recognise and classify familiar two dimensional shapes and three dimensional objects using obvious features

Year 5: Describe translations, reflections and rotations of two dimensional shapes. Identify line and rotational symmetries

Year 7: Classify triangles according to their side and angle properties and describe quadrilaterals

Year 7: Demonstrate that the angle sum of a triangle is 180° and use this to find the angle sum of a quadrilateral.

Year 7: Investigate conditions for two lines to be parallel and solve simple numerical problems using reasoning

Year 8: Define congruence of plane shapes using transformations

Year 8: Develop the conditions for congruence of triangles

Year 8: Establish properties of quadrilaterals using congruent triangles and angle properties, and solve related numerical problems using reasoning

Year 8: Find perimeters and areas of parallelograms, trapeziums, rhombuses and kites

Year 9: Solve problems using ratio and scale factors in similar figures

Year 9: Use the enlargement transformation to explain similarity and develop the conditions for triangles to be similar