A tangram puzzle consists of seven pieces — five triangles and two quadrilaterals made from one square. Tangrams originated in  More →

Jan de Lange walks through a few educational math games available online. With degrees of difficulty bridging from Pre-K through 8th grade, these games extend the idea of learning trajectories.

Jennifer McCray, director of the Early Math Collaborative, provides a play-by-play narration as a pre-k teacher leads her students through  More →

A child composes a 6-pointed star shape using pattern blocks in multiple ways.

A student gives and receives orders about where to put a stuffed animal.

In this video, a preschool-age English Language Learner uses direction words to tell a story about finding a lost teddy bear.