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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 ...

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 ...

dragon-shaped asset where scales, horns, and whiskers follow the underlying geometry rather than appearing as a flat overlay.

New tools make it possible to detect hidden manipulation of maps. Until recently, gerrymandered districts tended to stick out, identifiable by their contorted tendrils. This is no longer the case.