Reduce your planning time significantly with this complete mini right triangle trigonometry unit for the SmartBoard. This is a Notebook file that includes enough pages, examples, challenge & practice problems, and activities & projects for three 90-minute classes. The first day is spent discussing the basic 3 ratios, and the first project is assigned. The second day is spent working on application problems using angles of elevation and depression. The third day is spent doing a Trigonometry Lab where students will calculate the height of a flagpole. The file withe lab and the challenge problem set is attached to the Notebook file.