(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.

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...

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 ...