Short multiplication close short multiplicationa method of setting out working in columns to calculate a multiplication. is a method using columns to set out and calculate a multiplication. Short ...

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, ...

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 ...