Are you a “mathmagician”? How did you do that so quickly and so easily? From the outset, your students will be engaged; they’ll demand to know your trick. It looks so impressive, but the algebra behind it is easy to grasp. Students will have so much fun, they will want to design their own projects, and that is the point!This project accompanies my other handout, “Hundreds Magic: Where Math Comes Alive!” Older students with some familiarity with algebra may not need the previous activity. However