(cheerful music) (electronic gadgets whirring and ringing) - [Children] Math Mights! Welcome, 2nd grade Math Mights. My name is Mrs. McCartney. I'm so excited that you've joined us today for our show.

We'll sort, describe and create solid shapes, and talk with Abracus about compensation. Join Mrs. Markavich for a number talk with Abracus as we work on compensation. We'll sort, describe and create ...

The work of the Greek polymath Plato has kept millions of people busy for millennia. A few among them have been mathematicians who have obsessed about Platonic solids, a class of geometric forms that ...