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 ...

Titch could not be more excited about a trip to the seaside with her uncle Ted. However, Ted is a bit worried, as he has promised to help Titch to learn about geometry and he is not really sure what ...

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 ...