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About the Collaborative
Why Early Math?
We believe every child is a capable mathematician, and every early childhood educator can be confident teaching math.
Whole Teacher Approach
Big Ideas of Early Math
Racial Justice in Early Math
Precursor Concepts
Projects and Partnerships
Our projects range from short-term to multi-year programs, from one school to networks of schools.
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Learning + Professional Development
Learning Labs
Interactive learning sessions for early childhood teachers, trainers, or administrators to better understand early math skills, math content and math teaching strategies.
Books + Resources
Explore our groundbreaking books and resources on foundational math concepts for young children.
Series
Resources aimed at teachers, educators, administrators, caregivers, and more.
Early Math Newsletter Archive
Find and read past newsletters in our archive.
Instructional Coaching
Reflective, cognitive-based teacher coaching in early math to sustain professional development insights in the classroom.
Leadership Academies
For school administrators and leaders interested in enhancing their math knowledge and understanding.
Professional Learning Modules
Online learning modules that equip you with the materials and knowledge you need to explore foundational mathematics with adult learners.
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Early Math Research
Teacher Development
Our research focuses on understanding teacher development in early mathematics.
Publications + Presentations
We publish our research in practitioner and scholarly journals and present at local and national conferences.
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About the Collaborative
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Whole Teacher Approach
Big Ideas of Early Math
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Racial Justice in Early Math
Precursor Concepts
Projects and Partnerships
Learning + Professional Development
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Leadership Academies
Instructional Coaching
Learning Labs
Books + Resources
Professional Learning Modules
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Early Math Newsletter Archive
Early Math Research
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Teacher Development
Publications + Presentations
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Mistakes in Early Childhood Math Learning – Obstacles or Opportunities?
Hear from the Experts
February 2026
Playing with Math to Build Autonomy, Focus on Understanding, and Increase Joy
Hear from the Experts
August 2025
The Five Principles of Anji Play
Hear from the Experts
July 2025
The Center for Family Math: Building a Movement
Ideas at Work
April 2025
Go
Mistakes in Early Childhood Math Learning – Obstacles or Opportunities?
Hear from the Experts
February 2026
Playing with Math to Build Autonomy, Focus on Understanding, and Increase Joy
Hear from the Experts
August 2025
The Five Principles of Anji Play
Hear from the Experts
July 2025
The Center for Family Math: Building a Movement
Ideas at Work
April 2025
Looking Back to Look Forward; a Conversation with Mary Hynes-Berry
Hear from the Experts
August 2024
From Sunflowers to Friendship: Four Meaningful Math Books on Measurement
Book Ideas
May 2024
What Do We Mean by Counting Principles and What Do Early Childhood Educators Need to Know?
Ideas at Work
January 2024
Collaborative Math: Creating Sustainable Excellence for Head Start Programs
About the Collaborative
July 2022
Noticing Same and Different: The Concept of Comparison with Infants and Toddlers
Focus on the Child
July 2022
The CAIR Principle to Tune into Math for Babies and Toddlers
Focus on the Child
March 2022
Denver Head Start Teachers Sustain Children’s Growth in Math
About the Collaborative
February 2021
Early Childhood Teachers Look Back on a Year Like No Other
About Early Math
December 2020
New Book Tells Where to Find Math Fun in Books, Games, and Routines
About the Collaborative
September 2019
Teachers as Knowledgeable Others in the Spotlight at Math Conference
About the Collaborative
April 2019
New Book Connects Early Math Teaching with Developmental Research
About the Collaborative
October 2018
10 for 10: Things We Love About the Collaborative
About the Collaborative
December 2017
Looking at 10 Years of Collaboration
About the Collaborative
December 2017
10 Years of Collaboration: A Letter from Our Principal Investigator
About the Collaborative
November 2017
Addressing Babies and Toddlers, Innovative Math Project Enters New Phase
About the Collaborative
December 2016
Collaborative Travels to Canada to Share Early Math Games and Activities
About the Collaborative
May 2016
At the White House: Reflections on the Early STEM Symposium
About the Collaborative
April 2016
Collaborative Highlights CPS Work at National Math Teacher Conference
About the Collaborative
February 2016
Collaborative Takes Math Approach to Hawaii’s Center for Early Education and Development
About the Collaborative
January 2016
At NAEYC Conference, Collaborative Talks Math for Babies and Toddlers
About the Collaborative
December 2015
