Professional Development

Note: A previous version of this paper was presented at the National Council of Teachers of Mathematics Research Pre-Session in San Diego (April 2010) and the Annual Meeting of the American Educational Research Association in Denver (April 2010).

Note: A previous version of this paper was presented at the National Council of Teachers of Mathematics Research Pre-Session in San Diego (April 2010) and the Annual Meeting of the American Educational Research Association in Denver (April 2010).

A poster on Project Instrument Development (I.D.) - Growth of Empowerment in Career Science Teachers.

In this article, we present an analytical approach for documenting the identities for teaching that mathematics teachers negotiate as they participate in two or more communities that define high-quality teaching differently. Drawing on data from the first two years of a collaboration with a group of middle-school mathematics teachers, we focus on a critical initial condition for teachers to improve their practice—determining that the effort required is worthwhile.