Stop Motion

There are many different ways you can create stop motion videos.  Especially in the math class where students demonstrate a video that entails a concept or math problem.

1. http://www.stopmotionpro.com/ is an online software tool where you need a video camera or webcam.  You create a model and then set it into motion.  
2. There are also apps for stop motion on the iPad and iPhone.
1. Stop Motion Recorder  StopMotion Recorder is toy video camera enable you to make stunning stop motion video like claymation.
2. StoMo  Create simple stop-motion animations/movies with this easy-to-use capture utility.
3. Smoovie  Smoovie is the only stop motion app that lets you arrange your content in scenes.

These applications would be great proofs, especially creating proofs without words.  Like the example below finding the area of a circle (formula).  You can have students create projects like these in the classroom over math concepts and ideas.