This best seller offers an unparalleled look at the significant role that classroom discussions can play in teaching mathematics and deepening students’ mathematical understanding. Based on a four-year research project funded by the U.S. Department of Education, the second edition includes more examples of classroom talk focusing on pre-algebra and early grade levels; an expanded range of vignettes; chapter-ending discussion questions for book study groups; connections to NCTM’s Principles and Standards for School Mathematics; and an index of every mathematical and Standards for School Mathematics; and an index of every mathematical
example used, classified by grade level and mathematical emphasis.

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Better World Books is a for-profit, socially conscious business and a global online bookseller that collects and sells new and used books online, matching each purchase with a book donation. Each sale generates funds for literacy and education initiatives in the U.S., the UK, and around the world. Since its launch in 2003, Better World Books has raised over $35 million for libraries and literacy, donated over 38 million books, and reused or recycled more than 475 million books.

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