Historically, teachers have been criticized for verbalizing innovations while not acting on them. This study suggests that something more involved and complex may be happening as teachers move toward ...

The National Council of Teachers of Mathematics is a public voice of mathematics education, providing vision, leadership, and professional development to support teachers in ensuring mathematics ...

Fran: I am looking at my reflection. When light from an object is reflected by a surface, it changes direction - it bounces off the surface. So, if we shine this light onto this mirror, then we can ...