The first methods textbook to show readers how NCTM Principles and Standards drive mathematics instruction is now the first to take you right into the math classroom to examine childrenrs"s reasoning and see its implications for teaching. This thoroughly revised edition illustrates how to create alearner-centered classroomthat allows the reader to nurture a childrs"s ability to communicate mathematical thinking and link that knowledge to developmentally appropriate teaching practices. 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. Shrinkwrapped with every copy of the text, this a unique new CD-ROM which provides classroom footage and interviews of individual children thinking through math problems in Grades 1-6.