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 ...

3D shapes can be made from 2D shapes called nets. Watch the video to learn how 3D shapes, such as a cube, can be created from nets, an arrangement of 2D shapes. Let's talk about nets. More ...

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

Blending geometry with art transforms math from abstract to hands-on fun for kids. From marshmallow-built shapes to polygon stencils, these projects spark creativity while reinforcing key math ...

Today on the 'Name That Thing' quiz, we will test how much you know about geometric shapes. Here are four types of polygons in the image below. Can you tell what these are called in mathematics? What ...