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

Those of you whose math careers peaked in geometry—with reliable theorems offered a degree of predictability in an otherwise uncertain teenage world—might find a new show of strangely animate and hard ...

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

This is another story in KPCC's ongoing series, Classroom Core, that takes a close look at how the Common Core teaching standards are playing out in schools in Southern California. Amid rows of chairs ...