When I was a classroom teacher, the one thing I hated was trying to teach basic formulas. In most textbooks, this consists of stating the formula, telling students to memorize it, then showing them how to "plug in" all the necessary information. I don't like this approach because it doesn't give students any ownership over their learning. Plus, it usually means learning it for a day, then forgetting it. That's not the end result I'm going for. Keep Reading...