Making Math Real
Here is a great math blog to check out. It has tons of posts about math in the real world, solid resources and some good videos! Check it out! Peter and Trish make lots of interesting interdisciplinary connections across many different grade levels. Here are the names of a few of their posts:
Math and International Travel
Teaching Mathematics from a Museum
Math and the Cemetery
Where is Zero on the Earth?
Teaching Slope in the Mountains of Switzerland
There is a little something for everybody.