Figuring Out Fluency--Ten Foundations for Reasoning Strategies with Whole Numbers: A Classroom Companion Paperback -

John J. SanGiovanni is a nationally recognized leader in mathematics education. John works as the Coordinator of Mathematics in Howard County, Maryland where he leads mathematics curriculum design, digital learning, assessment, and professional development. He also works to develop new mathematics leaders at McDaniel College in Maryland. John is an author of more than two dozen books about teaching and learning mathematics and consults nationally for curriculum development and professional learning. He is active in professional organizations recently serving on the Board of Directors for the National Council of Teachers of Mathematics and currently on the Board of Directors for the National Council of Supervisors of Mathematics.

Jennifer Bay-Williams is a professor at the University of Louisville (Kentucky). She is a leader in mathematics education, committed to supporting teachers and teacher leaders in their efforts to improve mathematics learning opportunities for every student. She has authored many articles in NCTM journals, and co-authored many books, including Math Fact Fluency; Everything you Need for Mathematics Coaching, Teaching Elementary and Middle School Mathematics: Teaching Developmentally, the related three book series, Teaching Student Centered Mathematics, On the Money (financial literacy book series), Developing Essential Understanding of Addition and Subtraction in Prekindergarten-Grade 2, and Math and Literature: Grades 6-8. Jennifer is active in national mathematics organizations, having served on the NCTM board of directors, Association of Mathematics Teacher Education (AMTE) secretary, president, and lead writer for the Standards for the Preparation of Teachers of Mathematics (AMTE, 2017), and now serving on the TODOS: Mathematics for All Board of Directors. She received her Ph.D. from the University of Missouri (Columbia) and taught K-12 mathematics in Missouri and Peru.

Susie Katt is a K-2 mathematics coordinator in Lincoln Nebraska. She has also worked as a special appointment lecturer at the University of Nebraska-Lincoln. She is an active, recognized leader in Nebraska having served on numerous state panels and committees to guide standards and instructional practice. She is a professional learning consultant and author for a national publishing company, and co-authored Productive Math Struggle: A 6-Point Action Plan for Fostering Perseverance. Susie is active in professional organizations. She has most notably served as the chair of NCTM's Teaching Children Mathematics Editorial Panel. Susie has worked as a developer and facilitator for NCTM's interactive institutes focused on meaningful discourse and productive struggle. She has also served on a collection of program committees for NCTM Annual and regional conferences.

Latrenda Knighten is an Elementary Mathematics Instructional Coach for the East Baton Rouge Parish School System in Baton Rouge, LA. She has been an educator for more than 30 years during which she has been a classroom teacher, an elementary science specialist, and an elementary mathematics coach. Latrenda is a co-author of the book, "Classroom-Ready Rich Math Tasks for Grades K -1: Engaging Students in Doing Math". Latrenda is an active member of many professional organizations where she has served in leadership roles for several local, state, and national organizations. She is the Program Chair for the NCTM 2022 New Orleans regional conference and has served as a member of several Annual and regional conference program committees. Latrenda regularly serves as a presenter at NCTM professional learning webinars, and Annual and regional conferences. She also served as a facilitator for the NCTM Number, Effective Teaching Practices, and Discourse Interactive Institutes. She currently serves as the NCSM (National Council of Supervisors of Mathematics) Southern Region 2 Team Leader for Louisiana and Secretary for the Benjamin Banneker Association. Latrenda is also a past member of the NCTM (National Council of Teachers of Mathematics) Board of Directors, Past-President of the LA Association of Teachers of Mathematics, and Past-President of the Baton Rouge Area Council of Teachers of Mathematics.