Math in Real Life series of TED-Ed videos

Here is a link to a TED-ED series of videos on real life math.  These might make a nice extension or  intro to your math class.  To see the videos click here.

Interactive Periodic Table with Videos from Ted-Ed

As usual Ted-Ed has great videos for you and your class.  Here is something a little different.  The Periodic Table they supply is interactive such that if you click on an element you get a Ted-Ed video of the element.  To see the website click here.