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 ...

Polygons can be regular or irregular. If the angles are all equal and all the sides are equal length it is a regular polygon. To find the sum of interior angles in a polygon divide the polygon into ...

Keep Learning is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, LG TV, ...