Author(s): John A. Van de Walle, Karen S. Karp, Jennifer M. Bay-WilliamsDifference between 9th and 8th editions Side by side comparison of table of contents helps to figure out the most significant changes. |

**Key differences between 9th and 8th editions**

- Period between current and previous publications: 4 years (2015 vs 2011).
- The first edition of
*Elementary and Middle School Mathematics*was published in 1994. - Incorporates Common core state standards for mathematics (2010) and NCTM Principles to Actions (2014).
- All Activities are labeled with CCSS-M Content Standard Alignment labels.
**Chapter 3:**New section on developing concepts and procedures.**Chapter 4:**Features eight principal steps for preparing a lesson.**Chapter 17:**Chart on common mathematical mistakes.**Chapter 22:**New section on misconceptions about probability.**Chapter 23:**New discussion on developing strong symbol sense.- New Appendix D Activities at a Glance

Elementary and Middle School Mathematics: Teaching Developmentally

Published by: Pearson, February 11, 2015

Access Card Package

**Loose Leaf**, 576 pages

Published by: Pearson, January 25, 2015

Published by: Pearson, January 13, 2015

Elementary and Middle School Mathematics: Teaching Developmentally

Published by: Pearson, February 08, 2012

Published by: Pearson, January 10, 2012

International Edition

**Paperback**, 576 pages

Published by: Pearson Education, January 01, 2012

Plus MyEducationLab with Pearson eText -- Access Card Package

**Paperback**, 576 pages

Published by: Pearson, August 11, 2012

Elementary and Middle School Mathematics: Teaching Developmentally

with MyEducationLab

**Paperback**, 576 pages

Published by: Allyn & Bacon, January 25, 2009

Published by: Pearson, January 25, 2009

Texas Edition

**Paperback**, 624 pages

Published by: Pearson, March 14, 2009

with Field Experience Guide

**Paperback**

Published by: Pearson, February 09, 2009