Working with Sketch 2 Project Sketch 2 on the screen and ask the students to explore which coloured triangles could fit into the given triangle outlines. For this sketch, the eyes and nose outlines ...

Objectives Big Idea – We can describe, measure, and compare spatial relationships. to build on students' knowledge of triangle and to develop students' reasoning with properties of triangle to develop ...

Regular triangular tiling. The reason the shape changes from 3D to 2D when you get to six triangles has to do with the number of degrees in an equilateral triangle.