More video resources related to the development of operations and how teachers can engage young children in operations.

A brief account of formative assessment approaches that can help you identify what young children know about patterns.

This article explains the basic math underlying the patterns that children encounter in their everyday lives and in preschool. . One key concept is the generalization of patterns: the ability to apply a pattern (e.g., ABAB) to multiple materials and contexts. Other concepts covered include copying, extending, and creating patterns.

Ever wonder how a pattern identification activity and a pattern extension activity differ? Explore these terms and more!

Patterns can be notoriously difficult to define. This handout provides illustrations of teacher-child interactions that help take apart (and put back together!) patterns to support our understanding of pattern

There are many daily-life activities in which children engage with mathematical patterns. This handout describes some of these activities.