Why we need to understand math... Just thought of a cool idea for extra credit, have students find and bring in pictures of "bad math" they see in everyday life. Can be run for the whole marking period w/ a limit of possible points. Then display them on a bulletin board.
Make any video your lesson with Edpuzzle.com - This free website is amazing! You can crop a video to show just what you need, you can add your own voice to explain the video, and you can even add quiz questions during the video! WOW!