Develop mathematical knowledge by analyzing common student errors and discussing arithmetic, algebraic, and pictorial reasoning.
Jane-Jane Lo and Yi-Yin Ko
Barbara Zorin, Patricia D. Hunsader, and Denisse R. Thompson
Learn how to modify classroom evaluation items to avoid potential difficulties that limit a teacher's insight into students' mathematical understanding.
David Rock and Mary K. Porter
A monthly set of problems is aimed at a variety of ability levels.