This video introduces a simple math trick that can make everyday calculations faster and easier. Learn how this practical ...

Earthquakes may be unpredictable, but their impacts are not entirely mysterious. New modeling techniques are offering a clearer view beneath the surface.

This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...

To do the method, begin by writing the two numbers you want to multiply at the top of two columns. In the left column, you ...