This thoroughly revised edition illustrates how to create alearner-centered classroomthat allows the reader to nurture a child's ability to communicate mathematical thinking and link that knowledge to developmentally appropriate teaching practices.New coverage of assessment througout eachchapterprovidereaders with critical tools for assessing their students' understanding on an ongoing basis.A strong focus on NCTM Standards, developing tools for teaching, and its manageable length ensures readers will use this book as a reference well into their first years of teaching. Finally, the MyEducationLab online resource that can be purchased with this text offers readers the unique opportunity to view video footage of classroom activities and student interviews offer insight into children's problem solving and reasoning skills.