Support · Stage 4 · Properties of geometrical figures
Support Prove that the interior angle sum of a triangle is 180° with or without digital tools
Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.
Prerequisite links are draft mappings generated from the syllabus structure (earlier stage, same strand, closest content). They are being reviewed by teachers. Spot a poor match? Tell us.
Prerequisite dot points
Recognise that a right angle is 90°, a straight angle is 180° and an angle of revolution is 360°
Stage 3 · Geometric measure A Draft mapping
No checked resources on this prerequisite dot point yet.
Compare side and angle properties of triangles and quadrilaterals using measurement and symmetry
Stage 3 · Two-dimensional spatial structure A Draft mapping
- Interactive toolStarterMathsisfun: QuadrilateralsUse it for: Draggable quadrilateral properties.
Record angle measurements using the symbol for degrees (°)
Stage 3 · Geometric measure A Draft mapping
No checked resources on this prerequisite dot point yet.