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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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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
From Sunflowers to Friendship: Four Meaningful Math Books on Measurement
Book Ideas
May 2024
3 Ways to See Mathematical Structure in Everyday Kitchen Math
Ideas at Work
January 2021
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
Ordering Similar Objects by Measurable Attributes
Adult Learning
February 2019
Volume of a Cube with Child 14
Focus on the Child
December 2018
A Flurry of Ideas for Winter Math Activities
Ideas at Work
September 2017
Three Books for the Last Days of Summer that Splash into Math
Book Ideas
August 2017
What’s So “Big” about Measurement Concepts for Young Children?
Book Ideas
June 2017
Size and Pattern with Balls and Tubes
Focus on Play
February 2017
Stacking Peg Towers
Focus on Play
November 2016
Comparing Capacity at the Sand Table
Focus on Play
November 2016
Measuring a Block Tower with Kindergartners
Focus on Play
August 2016
4 More Children’s Books that Explore Measurement Concepts
Book Ideas
March 2016
A Gallery Walk to Inspire Student Collaboration
Focus on the Lesson
February 2016
3 Magic Cauldron Books for Kids to Mathematize the Season
Book Ideas
October 2015
Seriating by Length and Capacity
Focus on the Child
July 2015
Comparing Length
Focus on the Child
July 2015
Which Holds More?
Focus on the Lesson
June 2015
4 Books About Measurement that Spur Children’s Thinking
Book Ideas
February 2015
Beyond Base-10: Three Unusual Counting Systems
About Early Math
October 2014
Halloween and Animal Fun While Exploring Big, Bigger, and Biggest
Book Ideas
September 2014
Math On-the-Go with Angela Giglio Andrews
Hear from the Experts
September 2013
Seriating Objects by Length and Capacity with Child 14
Focus on the Child
April 2013
