Professional Learning | Coaching | Leadership Training | Mentoring Support
Promote more powerful and productive mathematics conversations and instruction in your schools
Collaborate in planning for instruction, leading mathematically intense conversations, and using video to develop a keen eye for the essence of the mathematics in lessons.

Be Present, Nurture the Community, Create Space and Energy for Change & Transformation, Encourage Others in the Act of Self-Discovery
Our Mission
The Delaware Mathematics Coalition’s mission is to identify, endorse, and design high quality synergistic professional learning opportunities and experiences that support the actualization of research-based norms for teaching and learning mathematics.
As an organization, the Coalition advocates and supports at the state and district levels for the implementation of these practices in every classroom so that all students gain the mathematics proficiency necessary to graduate having successfully completed a rigorous, meaningful twenty-first century education that prepares them for careers, college, and citizenship.
Our Impact in Numbers

Math Professional Learning Opportunities
Delaware Math Equity Conference
October 13, 2023

Creating Math Classrooms Where All Students Think, Problem Solve, and Feel a Sense of Belonging
Registration is now open for the 2023 DE Math Equity Conference on October 13th. The conference is hosted through a collaboration between leaders of the Delaware Mathematics Coalition (DMC), Delaware Department of Education, and the DMC’s NCSM affiliate, the Delaware Council of Math Leaders (DCML). This year’s virtual conference is FREE and open to all educators of mathematics in the state. Featured speakers include Peter Liljedahl, author of “Building Thinking Classrooms in Mathematics” as well as other local and national level leaders of math reform.To learn more and register for the event, please click on the link below.
Leadership Coaching Lab Community

Register Now
The promise of secondary Leadership Coaching Lab (LCL) is to build a robust mathematics leadership community in which the role of curriculum, lesson study, video analysis, and teacher growth are public and itself the focus of study among colleagues. Across the year, sessions provide Leadership Coaching Lab participants with recursive opportunities to reflect on their instructional practices, engage in mathematically intense conversations, and develop a keen eye for the essence of the mathematics in their conceptually-grounded lessons. Learn More
TUPL Project Expands

September Start Date
Leaders of the Transforming & Understanding Professional Learning or TUPL project are currently accepting applications for teachers who are interested in joining this National Science Foundation supported study. New participants would begin attending the professional learning during the fall of 2023. Eligible educators include Grades 4 & 5 teachers in districts using the Bridges Mathematics Program and Grades 6 & 7 teachers in districts using the Illustrative Mathematics Program. For more information, please contact Jamila Riser (jqriser@gmail.com) or UD PI James Hiebert (hiebert@udel.edu).
Get Involved | Our Programs
Professional Learning & Leadership
Be Present, Nurture the Community, Create Space and Energy for Change & Transformation, Encourage Others in the Act of Self-Discovery.
What Educators are saying about our programs.




Leadership Coaching Lab Project
The promise of Leadership Coaching Lab is to build a robust mathematics community in which the role of coaches, specialists, and teacher leaders is public and itself the focus of study among colleagues. We will emphasize our role in engaging colleagues in planning for instruction, leading mathematically intense conversations, and using video to develop a keen eye for the essence of the math in lessons.

New Normal PBL Academy [Math Camp!]
Led by experienced mathematics professional developers and teachers with expertise in problem-based learning, the New Normal professional learning academy supports the evolving content and pedagogical needs of the problem-based enthusiasts in secondary and post-secondary schools.
Latest News | Stay Informed

The Influence of Tracking on Students’ Math Identity
As students who have been given the opportunity to see the “secret world” of teachers, attending Leadership Coaching Lab (LCL) meetings has been in no

4th Annual Triple Crown Conference Sparks Joy & Curiosity
“This is my 3rd year attending the conference. I look forward to it every year now!! I get so much out of the day!! Thank

“CREATING JOY COUNTS!” Reflections of a Middle School Math Teacher
“Enthusiastic, Energetic, Dedicated, Passionate, Knowledgeable, Fun, Encouraging, Inspiring, Supportive, Influential, Understanding, Attentive, Genuine” As I begin the fourth marking period of my 25th year of

Spreading the Joy of Teaching: Inspiring the Next Generation of Mathematics Educators
By Shellee WongOdessa High SchoolAppoquinimink School District Delaware Council of Teachers of Mathematics (DCTM) leaders presented me with an exciting opportunity to be the guest

The Myth of the Gifted Child
Mathematics is a beautiful subject, with ideas and connections that can inspire all students. But too often it is taught as a performance subject the

The Thinking Classroom: An Interview with Peter Liljedahl
This post was supposed to be just for math teachers. I was going to share an instructional approach that, as dramatic as this sounds, has taken