A set of guidelines adopted by 45 states this year may turn children into "little mathematicians" who don't know how to do actual math. A few weeks ago, I wrote an article for TheAtlantic.com ...

You might be confused about the Common Core, but this fourth grader isn't. Watch Savanna Burris of Meadow Homes Elementary in Concord, California breaks down the "box method" of multiplication — in ...

The Lattice Method of multiplication is part of Everyday Math, a non-traditional approach to mathematics being used by and increasing number of schools across the United States, including at least 14 ...

Multiplying 2 x 2 is easy. But multiplying two numbers with more than a billion digits each — that takes some serious computation. The multiplication technique taught in grade school may be simple, ...

Here’s what you’ll learn when you read this story: From grade school onward, complex multiplication has been a headache. But an assistant professor from the University of New South Wales Sydney in ...