March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s ...

Pi Day is on March 14 (3/14) because the date matches the first three digits of π (3.14). It’s a fun day for math lovers, pie ...

A tessellation is a repeating pattern of polygons that covers a plane with no gaps or overlaps. What kind of tessellations can you make out of regular polygons? What shapes tessellate? If shapes can ...