Discover Mathigon, the Mathematical Playground. Learning mathematics has never been so interactive and fun!

A white cube is painted black on its outside and then cut into 27 small pieces. The pieces are mixed and randomly reassembled into another cube. What proportion of the surface area of …

Intersecting Cubes Created by Dirk Eisner, designed by Tomoko Fuse and Francis Ow

Polypad is a collection of interactive digital manipulatives designed to be used by both teachers and students. Physical (or concrete) manipulatives have long been a feature in many …

We start with a solid cube, and repeatedly drill smaller and smaller holes into its sides. A 3 × 3 × 3 cube consists of 27 smaller cubes, but here we have removed some of these. The Menger …

Icosahedron and Icosidodecahedron Spiked Icosahedron Stellated Icosahedron Two Tetrahedra and a Sunken Cube Intersection of Four Cubes Three Cubes and Two Tetrahedra Beautiful …

Stellated Icosahedron Two Tetrahedra and a Sunken Cube Intersection of Four Cubes Three Cubes and Two Tetrahedra Красивые оригами

Learn about some of the most fascinating patterns in mathematics, from triangle numbers to the Fibonacci sequence and Pascal’s triangle.

Travel through time and explore the greatest mathematicians and biggest mathematical discoveries in history.

Polyhedra come in many different shapes and sizes – from simple cubes or pyramids with just a few faces, to complex objects like the star above, which has 60 triangular faces.