# Mathematics / Year 7 / Measurement and Geometry / Geometric reasoning

Curriculum content descriptions

Identify corresponding, alternate and co-interior angles when two straight lines are crossed by a transversal (ACMMG163)

Elaborations
• defining and classifying pairs of angles as complementary, supplementary, adjacent and vertically opposite
General capabilities
• Numeracy Numeracy
ScOT terms

Co-interior angles,  Corresponding angles,  Horizontal planes

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Related topic ### TIMES Module 9: Measurement and Geometry: introduction to plane geometry - teacher guide

This is a 16-page guide for teachers. It provides an introduction to the initial ideas of plane geometry. Points and lines are introduced as fundamental objects in the study of geometry. Angles and parallelism are the initial areas of attention in a more formal approach to geometry that occurs from year 7. ### Numeracy wrap: Race across transversals

Interactive activities that guide students to explore angles in parallel lines. ### The geometer's warehouse

This web-based, multimedia resource focuses on the geometry of the Stage 4 and Stage 5 Mathematics syllabus. It comprises 70 dynamic html worksheets, each exploring a different outcome in Stage 4 and Stage 5 geometry. ### Geometric reasoning including parallel lines and angle sum of a triangle

This is a website designed for both teachers and students that addresses geometry from the Australian Curriculum for year 9 students. It contains material on geometry and includes information regarding parallel lines and the angle sum of triangles. There are pages for both teachers and students. The student pages contain ...