Frederick L. Dillon is a mathematics specialist and coach for the Institute for Learning at the University of Pittsburgh. For the Strongsville City Schools, Fred was a classroom teacher for middle and high school and was the mathematics department chair at the high school. Fred has, also, been planning and facilitating professional development for Ideastream, part of Cleveland’s PBS educational outreach program. Fred is a past member of the Board of Directors for the National Council of Teachers of Mathematics, and is a former officer for both the Ohio Council of Teachers of Mathematics and the Greater Cleveland Council of Teachers of Mathematics.Among Fred’s recognitions are Presidential Award for Excellence in Science and Mathematics Teaching, the American Star of Teaching, the Tandy Award, and the Christofferson-Fawcett Award for lifetime contribution to mathematics education. He also received the Most Influential Educator Award from Strongsville High School students seven times. Fred is also the co-author of NCTM’s Principles to Actions: Ensuring Mathematical Success for All, Taking Action: Implementing Effective Mathematics Teaching Practices in Grades 9-12 and Discovering Lessons for the Common Core State Standards in Grades 9-12. Fred recently co-authored The Common Core Mathematics Companion: The Standards Decoded, HighSchool which now completes Corwin’s bestselling K-12 mathematics series.