Support · Stage 5 · Properties of geometrical figures B (Path)
Support Define the exterior angle of a convex polygon
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
Distinguish between convex and non-convex quadrilaterals
Stage 4 · Properties of geometrical figures Draft mapping
No checked resources on this prerequisite dot point yet.
Prove that any exterior angle of a triangle equals the sum of the 2 interior opposite angles
Stage 4 · Properties of geometrical figures Draft mapping
- WorksheetDrillKuta free worksheet: The exterior angle theoremUse it for: Printable skills-practice sheet with answer key on the exterior angle theorem; good for drill or homework.
- VideoStarterEddie Woo (WooTube): Basic Properties of Geometrical Figures playlistUse it for: Sydney teacher Eddie Woo's recorded lessons on properties of geometrical figures; play a clip to model a method or for revision.
Solve problems involving scale drawings, with or without digital tools
Stage 5 · Properties of geometrical figures A Draft mapping
- Corbettmaths practice questions: Scales and mapsUse it for: Free printable graded practice questions (with answers) on scales and maps for drill or a quick check.
- VideoStarterCorbettmaths video: Scales and mapsUse it for: Short worked-example video on scales and maps to model the method before practice or for flipped revision.