Puzzle This Math Trick Only Works for Everyone at the End of the Year So it’s the perfect way to usher in the new year

Field Theory A Finite Number Of “Numbers” What exactly is arithmetic on a field of numbers which are merely elements in some set?

Babylonian A Modern Look at Square Roots in the Babylonian Way Revisiting the Babylonian method for square roots: why and how does it work?

Arithmetic The Fundamental Theorem of Arithmetic Over 2,300 years ago Euclid proved the Fundamental Theorem of Arithmetic. Now it is our turn.

Arithmetic Multiplication is Repeated Addition The strange debate and controversy in K-12 math education