Stage 4 · Angle relationships · Identify and describe corresponding, alternate and co-interior angles when 2 straight lines are crossed by a transversal, including parallel lines · Topic: Geometry: shapes & angles · Year 7, 8
Verify and identify corresponding angles and alternate angles as equal, and co-interior angles as supplementary, when a pair of parallel lines is cut by a transversal
Dot point ID k-10-2022-stage-4-angle-relationships/ang-idc-stg4-06 · NESA code MA_K_10_CP_ANG_IDC_STG4_06 · See it on the NSW Curriculum website ↗
Outcomes for this focus area (MA4-ANG-C-01)
MA4-ANG-C-01 applies angle relationships to solve problems, including those related to transversals on sets of parallel linesCore resources for this dot point
On-level resources, grouped by type. Need the building blocks? Use Support. Ready for more? Use Enrich.
Interactive tool
- Interactive toolEnrichmentDesmos GeometryUse it for: Construct and drag figures to test angle conjectures.
- Interactive toolStarterMathsisfun: Parallel lines and pairs of anglesUse it for: Interactive transversal showing angle pairs.
Worksheet
- Corbettmaths practice questions: Angles: parallel linesUse it for: Free printable graded practice questions (with answers) on angles: parallel lines for drill or a quick check.
Video
- VideoStarterCorbettmaths video: Angles: parallel linesUse it for: Short worked-example video on angles: parallel lines to model the method before practice or for flipped revision.
- VideoStarterEddie Woo (WooTube): Angle Relationships playlistUse it for: Sydney teacher Eddie Woo's recorded lessons on angle relationships; play a clip to model a method or for revision.
Focus area resources
Checked resources for Angle relationships as a whole (not mapped to a single dot point).