Learning & Teaching with Learning Trajectories
Learn about how children think and learn about mathematics.
Try our math activities for young children (birth to age 8)!
Get started supporting early childhood math learning!
SIGN IN OR SIGN UPWhy Learning Trajectories?
Want to help children to be confident in their math abilities?
Learn about the steps children typically take to learn math by exploring LTs. Each topic (or trajectory) is broken down into the levels, or steps, children take on their path to being strong mathematicians.
Explore LTs to find your child's level.
Click on the green Activities button in that level for math games, math activities, and math lessons.
Walk Through
This video walks users through the [LT]2 site and offers an overview of what LT2 offers. Credit to Nadine Ebri, educator and doctoral student in Educational Leadership at the University of North Florida
Getting Started
Doug Clements and Julie Sarama demonstrate how to get started using the site by creating an account. While registration is free and users can access parts of the site without registering, the full content is available for registered users only.
Special Thanks To

The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through grant numbers R305K050157, R305A120813, R305A110188, and R305A150243. to the University of Denver. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.