Brenda HammondBrenda Hammond is a coauthor of Introduction to Reasoning and Proof (Grades PreK - 2 and 3 - 5), part of Heinemann's Math Process Standards Series. A staff development teacher in Montgomery County, Maryland, she has taught for more than thirty years t the elementary and university levels. She has been a presenter at national conferences, a mathematics consultant, and the author of First Word Problems (2003). Brenda is a recipient the Presidential Award for Excellence in Mathematics Teaching. Read More Read Less