Skip to Main Content
Search
Close
Search:
Search
Apply Now
Erikson.edu
Contact Us
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.
Subscribe
to Early Math updates
Email updates with early math resources, research, and opportunities.
Your email
(Required)
Leave this field empty
Δ
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.
Subscribe
to Early Math updates
Email updates with early math resources, research, and opportunities.
Your email
(Required)
Leave this field empty
Δ
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.
Subscribe
to Early Math updates
Email updates with early math resources, research, and opportunities.
Your email
(Required)
Leave this field empty
Δ
Events
Idea Library
Menu
M
E
N
U
Search:
Search
About the Collaborative
Expand Sub Links
Collapse Sub Links
Whole Teacher Approach
Big Ideas of Early Math
Expand Sub Links
Collapse Sub Links
Racial Justice in Early Math
Precursor Concepts
Projects and Partnerships
Learning + Professional Development
Expand Sub Links
Collapse Sub Links
Leadership Academies
Instructional Coaching
Learning Labs
Books + Resources
Professional Learning Modules
Series
Early Math Newsletter Archive
Early Math Research
Expand Sub Links
Collapse Sub Links
Teacher Development
Publications + Presentations
Events
Erikson.edu
Contact Us
Close
Early Math
Idea Library
Get more when you join the collaborative. More resources and more ways to connect.
Join the
collaborative
Get more when you join. More resources and more ways to connect.
Your email
(Required)
Leave this field empty
Δ
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
Noticing Same and Different: The Concept of Comparison with Infants and Toddlers
Focus on the Child
July 2022
How to Use Digital Photos to Build a Mathematical Language Routine for Kids
Ideas at Work
June 2022
Transforming Three-Dimensional Shapes with Child 36
Focus on the Child
December 2018
Enjoy Counting Activities and Math Fun with a Traditional Mexican Festival
Book Ideas
June 2017
Attendance Routine to Build Number Sense
Focus on the Lesson
September 2016
Mouse Collections
Focus on the Lesson
August 2016
Collaborative Travels to Canada to Share Early Math Games and Activities
About the Collaborative
May 2016
Movement Counts
Focus on the Lesson
February 2016
Reflecting Conversation for Shoe Graph Lesson
Focus on Collaboration
October 2015
Planning Conversation for Shoe Graph Lesson
Focus on Collaboration
October 2015
Using Number Paths with Child 7
Focus on the Child
August 2015
Solving a Number Story with Child 14
Focus on the Child
June 2015
Which Holds More?
Focus on the Lesson
June 2015
Sorting Rocks with Child 14
Focus on the Child
June 2015
People Sort
Focus on the Lesson
June 2015
Comparing Quantity with Child 4
Focus on the Child
June 2015
One-to-One Correspondence with Child 6
Focus on the Child
February 2015
Shoe Graph
Focus on the Lesson
December 2014
Composing Shapes through Gesture with Child 10
Focus on the Child
November 2014
6 Tips When Discussing Math with the English Language Learner
Ideas at Work
August 2014
Walk with Rosie
Focus on the Lesson
June 2014
Decade Pattern with Child 7
Focus on the Child
June 2014
Cardinality with Child 7
Focus on the Child
June 2014
Seriating Objects by Length and Capacity with Child 14
Focus on the Child
April 2013
