3D shapes aren’t just geometry—they’re a gateway to building spatial reasoning, problem-solving, and early STEM confidence.

The net of a 3D shape is what it looks like if it is opened out flat. There are many types of nets for the different 3D shapes. A net is made from polygons that can be folded and joined to make a ...

(smooth music) - [Students] Math Mights! - Welcome back, second grade Math Mights. My name is Mrs. McCartney. I'm so excited that you've joined us for some math fun. Today, we're going to do a word ...

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 ...