Everyone learns the number one rule about triangles in high school: the angles of a triangle add up to 180 degrees. But did you know that sometimes they don't? Triangles are much more interesting than ...

Well, what is the best way to cut a sandwich in half? Surely triangles don't really have "more sandwich," right? That's geometry and the law of conservation of matter. But something about the ...

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 ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging ...

This tip for improving your SAT score was provided by Jake Davidson at Veritas Prep. Geometry is one of the toughest subconcepts of the SAT math section for students to master. There are a few reasons ...

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' ...