Pick the matching shape.
We’re shown a shape. It’s an orange shape. It has three straight sides and
three corners. This shape is a triangle. Which of these shapes is also a
triangle? Both of these shapes have four
sides, so they’re not triangles. Triangles have three sides. Is this a triangle? It does have three sides and
three corners. It’s a triangle. This is the matching shape. They’re both triangles.