Julia does a mirrors-on activity, sings a song, and uses examples to sort 2D figures. In this lesson, Julia does a mirrors-on activity, sings a song, and uses anchor charts and images of real-life ...

Hunt for shapes and make familiar objects by putting together several different shapes. Warm up with a Mystery Math Mistake to tell whether Dotson's 10-frames represent a number more than his focus ...

Teaching elementary school math just got trickier, or at least deeper. The new Common Core State Standards require students to demonstrate a deeper understanding of math concepts, which means teachers ...

Mathematicians are creating their own version of the periodic table that will provide a vast directory of all the possible shapes in the universe across three, four and five dimensions, linking shapes ...