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Math 4.6(C)
apply knowledge of right angles to identify acute, right, and obtuse triangles; and
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4 teaching
resources for those 'aha' moments
teaching resource
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.
teaching resource
Shapes and Symmetry - Worksheet
A worksheet to assess a variety of geometry skills.
teaching resource
Angles Sort - Cut and Paste Worksheet
A sorting activity for students to practice identifying angles by name.
teaching resource
Acute, Right, and Obtuse Angles - Poster
A poster describing an acute, right, and obtuse angle.