Archive for date: July 27, 2009

On Multiplication…

July 27, 2009 | Math | By: Mark VandeWettering

As I was “StumbleUpon”-ing tonight, I was reminded of something that I was thinking about a couple of days ago, and though I’d write it down here. Let’s say we want to multiply, oh… 47 by 69. We begin by writing the two numbers: 47 69 and then proceed by halving the first number and […]