NCTM has commissioned a series of three books (pre-K–2, 3–5, and 6–8) that address the Council’s emphasis on reasoning and sense making while simultaneously supporting implementation of the Common Core Standards for Mathematical Practice. As editor and author, I will discuss the chapters on geometric reasoning, illustrating principles, and example activities.

Presentation Format: General Interest / All Audiences Session
Grade Band Audience: General Interest/All Audiences