The Geometry of Space · Geometry and Measurement

Angle Relationships

Measuring and classifying angles formed by intersecting lines and within triangles.

Key Questions

  1. 1Why do the interior angles of any triangle always sum to 180 degrees?
  2. 2How can we use vertically opposite angles to find unknown values?
  3. 3What is the relationship between the number of sides in a polygon and its total interior angles?

ACARA Content Descriptions

AC9M6SP01
Year: Year 6
Subject: Mathematics
Unit: The Geometry of Space
Period: Geometry and Measurement

Suggested Methodologies

Ready to teach this topic?

Generate a complete, classroom-ready active learning mission in seconds.

Generate a Custom MissionBrowse Lesson Plan Templates

More in The Geometry of Space

Cartesian Coordinates

Plotting points and translating shapes across all four quadrants of the coordinate plane.

2 methodologies

3D Prisms and Pyramids

Comparing and constructing 3D objects based on their nets and properties.

2 methodologies

Browse curriculum by country

AmericasUSCAMXCLCOBR
EuropeUKIEFRDEESITNLPTSE
Asia & PacificINSGAU