Angles and parallel lines: Year 6 – planning tool

This planning resource for Year 6 is for the topic of Angles and parallel lines. Students explore angles on a straight line and angles within shapes. They identify the relationships between angles and use these to determine unknown angles and describe their reasoning. Students should be familiar with 90° and 180° angles, as well as other angles such as acute, obtuse, and reflex.

Additional details

Year level(s) Year 6
Audience Teacher
Purpose Planning support, Teaching resource, Teaching strategies, Student task, Home practice tasks
Format Web page
Keywords lesson plans, assessment task, teaching strategies, pedagogies, Australian Curriculum, learning from home, misconceptions

Curriculum alignment

Strand and focus Measurement
Topics Angles and geometric reasoning
AC: Mathematics (V9.0) content descriptions
Identify the relationships between angles on a straight line, angles at a point and vertically opposite angles; use these to determine unknown angles, communicating reasoning

Numeracy progression Understanding geometric properties (P5)
Understanding units of measurement (P8)

Copyright details


Commonwealth of Australia


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