Geometric Reasoning · Measurement and Space
Angle Investigators
Identifying right, acute, and obtuse angles in the environment and in shapes.
Key Questions
- 1How can we use a right angle as a benchmark to classify other angles?
- 2Where do we see different types of angles in architecture and nature?
- 3What happens to the size of an angle as the two lines spread further apart?
ACARA Content Descriptions
AC9M4SP02
Year: Year 4
Subject: Mathematics
Unit: Geometric Reasoning
Period: Measurement and Space
Suggested Methodologies
Ready to teach this topic?
Generate a complete, classroom-ready active learning mission in seconds.