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 progressively halve the number and take the integer floor of any “and a half” ...

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 ...

When I first saw this Japanese multiplication method, I just couldn’t believe it. Then I tried it and it works perfectly, but still can’t understand how it works—or how anyone found this method. You ...