Australian Curriculum V8
Geometric reasoning
Based on the Australian Curriculum, Geometric reasoning in Mathematics Year 4 includes:
- ACMMG089 Compare angles and classify them as equal to, greater than, or less than, a right angle
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teaching resources for those 'aha' moments
- Plus Plan
Acute, Right and Obtuse Angles – Cut and Paste Worksheet
Identify acute, right and obtuse angles with this cut-and-paste sorting worksheet.
- Free Plan
Mini-Mystery – Which Key Opens the Door?
Use knowledge of 2-D shapes and right angles to solve the mystery in this fun, logic-based activity.