Prince Rupert of the Rhine first asked this question in the 17th century, and he soon found out the answer is yes. Later, ...

Can you drill a hole in a cube that an identical cube could fall through? Prince Rupert of the Rhine first asked this ...

We’ve often thought that 3D printers make excellent school projects. No matter what a student’s interests are: art, software, ...

Hunt for shapes and make familiar objects by putting together several different shapes. Warm up with a Mystery Math Mistake to tell whether Dotson's 10-frames represent a number more than his focus ...

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 ...

A recent report released by the National Assessment of Educational Progress shows a decrease in mathematical skills of American students – the first since 1990. While the reasoning behind the drop is ...

Work on making 10 and build new shapes from smaller shapes. Join Mrs. Markavich for a number talk with D.C. as we work on decomposing and composing to make 10. We'll build a new shape from smaller ...

How few corners can a shape have and still tile the plane?” mathematician Gábor Domokos asked me over pizza. His deceptively simple question was about the geometry of tilings, also called ...