Use YummyMath for Free Math Problems

YummyMath is a cool website that assists you in integrating math and current events.  Visit the site to see math problems relevant to what is
 going on in the world, whether it's a holiday or something going on in the news.  You can print geometry, algebra and other types of math problems ranging from things like the NBA Finals to American Idol premieres.  All problems also include answer keys.  These might be appropriate for morning work, station activities, or work for your substitute lesson plans.