Singin' & Signin' is a fun, interactive, full student engagement lesson that teaches students the formula and application for Area of a Circle. Included are lyrics, signs, and a video. The lesson is provided in a two column, two color note-taking format for students. The lesson uses PowerPoint that allows the teacher to move through the lesson by clicks! Singin' & Signin' won the 2009 Classroom of the Future Foundation Award. Visit our website at www.NickyNote.com for more information!