This article describes and analyzes a program of work in elementary mathematics teacher education at the University of Michigan that has, for a decade, been a site for the development of approaches to preparing beginning K-8 mathematics teachers that are both aimed at practice and centered in content. Among the products of this work are video…

Consistent with the theme of this issue, we describe the details of one continuing effort to build knowledge for teacher education. We argue that building a useful knowledge base requires attention to the processes used to generate, record, and vet knowledge. By using 4 features of knowledge-building systems we identified in the introductory…

To understand how teacher education might build the knowledge it needs, the editors of this issue investigate how organizations outside of education create and maintain "self-improving" systems that enable them to learn how to get better at what they do. To learn about knowledge building in teacher education, the research reported here also looks…

In this article, we describe features of learning goals that enable indexing knowledge for teacher education. Learning goals are the key enabler for building a knowledge base for teacher education; they define what counts as essential knowledge for prospective teachers. We argue that 2 characteristics of learning goals support knowledge-building…