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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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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
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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
Photo Chat about Quantities Puts the Focus on Units
Focus on the Lesson
May 2023
Benchmarks of 5 and 10 with Child 39
Focus on the Child
March 2022
Solving a Problem with Both Parts Unknown with Child 39
Focus on the Child
March 2022
Solving a Part-Part-Whole Problem with Child 39
Focus on the Child
March 2022
Counting a Collection of 101 – How Did You Count Them?
Focus on the Lesson
November 2021
Rekenrek Chart for Voting in the Classroom
Focus on the Lesson
April 2021
Making the Number Ten on a Rekenrek
Focus on the Lesson
March 2021
Family-Centered Approach to Picture Books with David Purpura
Hear from the Experts
August 2020
Counting and Cardinality: Not as Easy as 1-2-3!
Adult Learning
April 2020
Number as Attribute: How Many of What?
Adult Learning
April 2020
Sets and Sorting: The Foundational Math of Making Groups
Adult Learning
April 2020
Learning the Counting Words with Child 16
Focus on the Child
April 2020
Two Ways That Language Scaffolds Understanding of Cardinality
Hear from the Experts
February 2020
Launch Problem Solving with Understanding Using Three Reads
Focus on the Lesson
January 2020
Co-Design Process for Math in the Neighborhood with Omo Moses
Hear from the Experts
January 2020
Egg Carton Story with Child 15
Focus on the Child
December 2019
Teddy Bear Picnic Math Stories with Child 15
Focus on the Child
December 2019
Capture It with Child 15
Focus on the Child
December 2019
Cardinality is Critical Preschool Concept with Barbara Sarnecka
Hear from the Experts
October 2019
School Event Engages Families in Early Math Learning
Focus on Collaboration
June 2019
Video Analysis of Children’s Mathematical Thinking
Adult Learning
May 2019
Video Analysis of Preschool Number Sense Activity
Adult Learning
May 2019
Ordering Similar Objects by Measurable Attributes
Adult Learning
February 2019
Exploring Unit Block Relationships
Adult Learning
February 2019
