Through the chapters in this volume we learn about the research foci and/ or questions that these classroom teachers are interested in examining, the mathematics content through which they engaged their students in these explorations, the data sources they used to make sense of their focus and questions, and their roles in the research. An overarching theme through all the chapters in this volume is the learning and professional development that occurs through teacher research. What these authors learned about student learning and their own teaching practice far exceeded the focus of their...

Through the chapters in this volume we learn about the research foci and/ or questions that these classroom teachers are interested in examining, the mathematics content through which they engaged their students in these explorations, the data sources they used to make sense of their focus and questions, and their roles in the research. An overarching theme through all the chapters in this volume is the learning and professional development that occurs through teacher research. What these authors learned about student learning and their own teaching practice far exceeded the focus of their...