Josepha RoblesJosepha Robles is a coauthor of Introduction to Reasoning and Proof (Grades PreK - 2 and 3 - 5), part of Heinemann's Math Process Standards Series. She has taught for more than twenty-five years in public and private schools. She is a math content coch in Montgomery County, Maryland, a math consultant in the private sector, and a published author who has presented at NCTM national, regional and state conferences. Read More Read Less