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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
Series
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
Homemade Playdough Recipe for Shape Fun
Ideas at Work
September 2020
Putting Groceries Away is Hands-on Shape Activity for Young Children
Ideas at Work
July 2020
We’re Going on a Math Walk, Going to Find Some Math Talk
Ideas at Work
April 2020
At-Home Activity Cards: Shapes
Book Ideas
March 2020
Different Types of Shapes and Nonexamples to Spark Geometric Learning
Book Ideas
July 2019
Build Tangram Shapes with Do-It-Yourself Puzzles
Ideas at Work
June 2019
Exploring Unit Block Relationships
Adult Learning
February 2019
Transforming Three-Dimensional Shapes with Child 36
Focus on the Child
December 2018
Tangram Puzzles: Make One For Your Kids
Hear from the Experts
March 2017
Discussing Cultures and Shapes in A Triangle for Adaora
Book Ideas
February 2017
Valentine’s Day Math Can Spark a Love of Symmetry
Ideas at Work
February 2017
Making a Block Sandwich with Kindergartners
Focus on Play
November 2016
4 More Kids’ Books Packed with Geometry
Book Ideas
July 2016
A Gallery Walk to Inspire Student Collaboration
Focus on the Lesson
February 2016
The Value of a Gallery Walk
Focus on the Lesson
January 2016
Study Suggests Apps for Kids Can Aid Math Learning
Hear from the Experts
January 2016
4 Children’s Books to Shape Up Geometry Skills
Book Ideas
April 2015
Using Shape Blocks for Visual and Spatial Memory with Child 35
Focus on the Child
March 2015
Composing Shapes through Gesture with Child 10
Focus on the Child
November 2014
Imprecise Geometry with Doug Clements
Hear from the Experts
September 2013
Comparing Tech and Real World Teaching Tools with Joanne Mulligan
Hear from the Experts
August 2013
Composing Shapes with Child 11
Focus on the Child
July 2013
Sorting Geo-Solids with Child 5
Focus on the Child
July 2013
Sorting Geo-Solids with Child 34
Focus on the Child
July 2013
