to build on students' knowledge of triangle and develop students' reasoning with properties of different classes of triangles to develop students' language related to different triangles to engage ...

Geometric patterns -- triangles in particular -- seem to be everywhere these days. Here are a few stylish but subtle ways to incorporate angles and give softer spaces a brainy edge. The Brendan ...

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 students' ...