In this video James M. Nuclear presents The Associative Properties: (a+b)+c = a+(b+c) (ab)c = a(bc) and a way to help students to practice the use of the properties. With an interactive whiteboard you can combine the clear text of a Power Point with the ability to immidiately respond to question by writing on top of your Power Point, or you can build an interactive worksheet into the Power Point itself. Learn more at http://whaleboneir.com Less