Linda M. Gojak worked as an elementary mathematics specialist and classroom teacher for 28 years. She directed the Center for Mathematics and Science Education, Teaching, and Technology at John Carroll University for 16 years, providing support for districts and more than 10,000 teachers. Linda continues to work with K–8 mathematics teachers and coaches nationally and internationally. She is a recipient of the PAEMST from Ohio. She served as the president of NCTM, NCSM, and the Ohio Council of Teachers of Mathematics. Linda is the coauthor of three other books for Corwin Mathematics—The Common Core Math Companion, K–2; The Common Core Math Companion, 6–8; and Visible Learning for Mathematics, Grades K–12. Linda also wrote Path to Problem Solving for Grades 3–6 (ETA Hand to Mind, 2008) and What’s Your Math Problem? (Teacher Created Materials, 2011).