ISBN 9780132824866 books & textbook
Teaching Student-Centered Mathematics: Developmentally Appropriate Instruction for Grades 6-8 (Volume III) (2nd Edition) (Teaching Student-Centered Mathematics Series)
Van de Walle, John A. Bay-Williams, Jennifer M. Lovin, LouAnn H. Karp, Karen S.
Pearson /2013-03-16 Paperback / 448 Pages
isbn-10: 0132824868 / isbn-13: 9780132824866