Summary
A song about triangles and how we sort them by their sides and angles (equilateral, isosceles, scalene, right). A fun, memorable hook for a geometry lesson on classifying shapes.
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Teaching resources
Discussion questions
Discussion
All triangles have three sides, but they are not all the same.
- What makes a triangle a triangle?
- How can you sort triangles by their sides? By their angles?
- Where do you see triangles in the world around you?
Quick work-a-long
Vocabulary: triangle, side, angle, equilateral, isosceles, scalene.
Try it: Draw one triangle with all equal sides and one with all different sides. Label each.