John J. SanGiovanni

John SanGiovanni is a mathematics supervisor in Howard County, Maryland. There he leads mathematics curriculum development, digital learning, assessment, and professional development for 41 elementary schools and more than 1,500 teachers. John is an adjunct professor and coordinator of the Elementary Mathematics Instructional Leader graduate program at McDaniel College. He is an author and national mathematics curriculum and professional learning consultant. John is a frequent speaker at national conferences and institutes. He is active in state and national professional organizations and currently serves on the Board of Directors for the National Council of Teachers of Mathematics

What topics and genre does John J. SanGiovanni write about?

He writes professional books on K-12 mathematics education, focusing on classroom strategies, number sense, mathematical reasoning, curriculum, assessment, and addressing common student misconceptions.

What are his main books or series and how are they organized?

His work includes the Mine the Gap for Mathematical Understanding titles, organized by grade band (K-2, 3-5, 6-8) that target common misconceptions, and the Daily Routines to Jump-Start Math Class titles for elementary, middle, and high school that provide short, classroom-ready routines.

Who is the intended audience for his books?

Primary audiences are classroom teachers, instructional leaders, math coaches, curriculum specialists, and teacher educators working in K-12 settings.

Which book should I start with if I teach multiple grade levels or lead math instruction?

Start with the title that matches the specific grade band you teach or supervise. If you lead across levels, pick the grade-band book most relevant to the teachers you support or the routines you want to implement first.

Are his books practical for immediate classroom use or more theoretical?

They are practical and classroom-focused, offering routines, tasks, and strategies designed for immediate use to build number sense, practice reasoning, and address common holes in understanding.