Created by Master Teachers Marilyn Burns and Lynne Zolli

Dedicated to learning how students reason mathematically and committed to supporting teachers.

Marilyn and I have had the incredible opportunity to interview more than a thousand K–5 students over more than 15 years. We’re excited to share what we’ve learned with educators.Lynne Zolli

About the Authors

Marilyn Burns smiling

Marilyn Burns

Marilyn Burns is one of today’s most highly respected mathematics educators. Over the course of more than fifty-five years, Marilyn has taught children, led in-service sessions, spoken at conferences, contributed to professional journals, and written more than thirty books and resources for children and educators.

Lynne Zolli smiling

Lynne Zolli

Lynne Zolli was a classroom teacher in the San Francisco Unified School District for over forty years and taught grades 1 through 6. She also was a mentor teacher, professional development leader, Math Solutions instructor, and conference speaker. Lynne is a grant writer, an author of Math Solutions professional books, and a co-author of Do the Math.