Extra Practice Math Centers: Addition, Subtraction & More: Dozens of Highly Engaging Story-Problem Mats, Puzzles, and Board and Card Games-Teacher-Created and Student-Tested
Mary Peterson enjoyed 30 years as a classroom teacher in kindergarten to 6th grade. She also served as a university instructor, master teacher, and teacher trainer for several years. Currently she works as an educational consultant, teaching seminars and workshops to teachers across North America.