Properties of Geometrical Figures
Angles, parallel lines, polygons, congruent and similar triangles, and geometric proof.
Active lessons
6
Status
Active
Lesson flow
Learn -> Guided Practice -> Independent Practice -> Mastery Quiz
How to use this unit
- Start from lesson 1 and move through the pathway in order.
- Use guided practice before attempting independent practice.
- Mastery quizzes check whether the skill is ready for review or extension.
Unit pathway
Lesson pathway
6 of 6 active
Lesson 1
Quadrilaterals and Other Polygons
Use the angle sum of quadrilaterals and polygons, including regular-polygon angles.
Lesson 2
Congruent Triangles
Identify congruent triangles using SSS, SAS, AAS and RHS.
Lesson 3
Using Congruence in Proof
Use a proven congruence to justify that corresponding sides and angles are equal.
Lesson 4
Enlargement and Similar Figures
Use scale factors to enlarge or reduce figures, and recognise similar figures.
Lesson 5
Similar Triangles
Use equal angles and proportional sides of similar triangles to find unknown lengths.
Lesson 6
Proving and Applying Similar Triangles
Use the similarity tests (AA, SAS, SSS) to prove triangles similar and find lengths.
Part of the Online Learning Package
Unit previews stay public, while individual lessons require active online learning access.