The relationship between research and practice has long been an area of interest for researchers, policy makers, and practitioners alike. One obvious arena wher

The purpose of this special issue is to present several research perspectives on learning trajectories with the intention of encouraging the broader community t

In this important new book for pre- and in-service teachers, early math experts Douglas Clements and Julie Sarama show how "learning trajectories" help teachers

This important new book synthesizes relevant research on the learning of mathematics from birth into the primary grades from the full range of these complementa

This volume, a comprehensive survey and critical analysis of today's issues in mathematics education, distills research to build knowledge and capacity in the f