Best known as Pi Day, 3/14 is the celebration of the number that begins with 3.14159 … and never ends. Pi (π) is the ratio of a circle’s circumference to its diameter. Or, in other words, just divide ...

On Pi Day, teachers use pies, games and creative classroom activities to help students connect with math in a fun way.

Senate Republican leadership is not budging against pressure to use a so-called talking filibuster to pass the party's voter ...