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Big Ideas in Geometric Reasoning
Part of the Top Drawer Teachers - Big Ideas series, this resource gives an overview of some of the important ideas in geometry:
- Plane shapes
- Geometric proof
- Circle geometry
There are sections about common misunderstandings, teaching and assessment strategies, and student activities.
|Year level(s)||Year 7, Year 8|
|Audience||Teacher, School Leader|
|Keywords||geometry, congruence, similarity, shape|
|Strand and focus||Space|
|Topics||Angles and geometric reasoning, Shapes and objects|
|AC: Mathematics (V9.0) content descriptions||
Classify triangles, quadrilaterals and other polygons according to their side and angle properties; identify and reason about relationships
Identify the conditions for congruence and similarity of triangles and explain the conditions for other sets of common shapes to be congruent or similar, including those formed by transformations
Establish properties of quadrilaterals using congruent triangles and angle properties, and solve related problems explaining reasoning
Describe the relationship between π and the features of circles including the circumference, radius and diameter
Understanding geometric properties (P4, P5, P6)
Understanding units of measurement (P9)
Proportional thinking (P6)
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