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Stage 4 · Properties of geometrical figures · Apply the properties of triangles and quadrilaterals · Topic: Geometry: shapes & angles · Year 7, 8

Apply the properties of triangles and quadrilaterals to determine unknown sides and angles to solve problems, giving reasons

Dot point ID k-10-2022-stage-4-properties-of-geometrical-figures/pro-apt-stg4-04 · NESA code MA_K_10_CP_PRO_APT_STG4_04 · See it on the NSW Curriculum website ↗

↩SupportBuild the prerequisite skills first · 1 resource ★EnrichExtension & rich tasks · 2 resources

Outcomes for this focus area (MA4-GEO-C-01)

MA4-GEO-C-01 identifies and applies the properties of triangles and quadrilaterals to solve problems

Core resources for this dot point

On-level resources, grouped by type. Need the building blocks? Use Support. Ready for more? Use Enrich.

Worksheet

WorksheetDrill Exit ticket
Corbettmaths practice questions: Angles: full circle (at a point)
Corbettmaths · Web page · Free · Link checked 2026-10-15 · Answers included, No prep, Printable
Use it for: Free printable graded practice questions (with answers) on angles: full circle (at a point) for drill or a quick check.
Also tagged to: Apply the knowledge of angle relationships including angles …; Apply the angle sum of a triangle to prove that the angle su…; Prove that the interior angle sum of a triangle is 180° with…; Identify right angles, straight angles, angles of complete r…

Video

VideoStarter
Corbettmaths video: Angles: triangle
Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
Use it for: Short worked-example video on angles: triangle to model the method before practice or for flipped revision.
Also tagged to: Prove that the interior angle sum of a triangle is 180° with…

Focus area resources

Checked resources for Properties of geometrical figures as a whole (not mapped to a single dot point).

Unit/Planning
Stage 4 Unit 11 – geometrical relationships (sample unit of learning)
NSW Department of Education · Sample unit (DOCX) · Editable document · Free · Link checked 2026-10-15 · Australian context, Editable, Teacher notes
Outcome codes found in document: MA4-ANG-C-01, MA4-GEO-C-01
Unit/Planning
Stage 4 Unit 6 – triangles and quadrilaterals (sample unit of learning)
NSW Department of Education · Sample unit (DOCX) · Editable document · Free · Link checked 2026-10-15 · Australian context, Editable, Teacher notes
Outcome codes found in document: MA4-ANG-C-01, MA4-GEO-C-01