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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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Permission to Stay Small: Why We Need to Focus on 1-10
About Early Math
October 2026
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
Go
Chores for Kids Can Help Them Find Math Around the House
Ideas at Work
October 2020
Taking Math Out for a Spin: Outside Activities for Kids That Have Math
Ideas at Work
July 2020
Dishing Up the Math: Tasks at Home Can Become Math Time
Ideas at Work
April 2020
We’re Going on a Math Walk, Going to Find Some Math Talk
Ideas at Work
April 2020
DIY Puzzles Develop Spatial Thinking
Ideas at Work
April 2020
Build Tangram Shapes with Do-It-Yourself Puzzles
Ideas at Work
June 2019
Transforming Three-Dimensional Shapes with Child 36
Focus on the Child
December 2018
It’s Picnic Time. Don’t Forget to Pack the Math!
Book Ideas
May 2017
Tangram Puzzles: Make One For Your Kids
Hear from the Experts
March 2017
The Importance of Spatial Reasoning in Classrooms
About Early Math
January 2017
4 Books That Can Expand Children’s Spatial Sense
Book Ideas
October 2016
4 More Kids’ Books Packed with Geometry
Book Ideas
July 2016
Spatial Reasoning with Jan de Lange
Hear from the Experts
March 2016
15 Picture Books To Support Math Spatial Reasoning Skills
Book Ideas
January 2016
Spatial Reasoning Skills Predict Later STEM Success
About Early Math
January 2016
Math Opportunities Hidden in Geocache App
About Early Math
May 2015
4 Children’s Books to Shape Up Geometry Skills
Book Ideas
April 2015
Blocks: Low-Tech Toys with High Learning Potential
About Early Math
March 2015
Walk with Rosie
Focus on the Lesson
June 2014
Online Math Games with Jan de Lange
Hear from the Experts
September 2013
Math in Folk Tales with Oksana Igrakova
Hear from the Experts
September 2013
Describing Relative Location of Objects with Child 35
Focus on the Child
April 2013
Describing Relative Location of Objects with Child 24
Focus on the Child
March 2013
Working “Through” Math with English Language Learners
Ideas at Work
February 2013
