Posted on September 30, 2013 by gzurn

Avengers Music Video – Fight as One .

Posted on September 24, 2013 by gzurn

The Water Cycle

Posted on September 24, 2013 by gzurn

<iframe width=”480″ height=”360″ src=”//www.youtube.com/embed/StPobH5ODTw?rel=0″ frameborder=”0″ allowfullscreen></iframe>

How to solve 2-digit by 2-digit multiplication

Posted on September 24, 2013 by gzurn

<iframe width=”480″ height=”360″ src=”//www.youtube.com/embed/zkUUNo90eSE?rel=0″ frameborder=”0″ allowfullscreen></iframe>