Adding and subtracting algebraic fractions is a similar process to adding and subtracting normal fractions. The denominators of each fraction are different, \(3t\) and \(7t\), so a common denominator ...

Jesse Schell is, perhaps, the top educational game designer in the business right now. A few months ago I asked him what his favorite educational game was. After a brief pause, he replied, “DragonBox ...

I don’t typically write responses to other opinion pieces, but there was one two weeks ago about new techniques in elementary math education that has inspired me. The main complaint was that there are ...