7th Grade Math Areas of a Circles in a PowerPoint Presentation This slideshow lesson is very animated with a flow-through technique. I developed the lesson for my 7th grade class, Pre-Pre-Algebra, but it can also be used for upper level class reviews. This lesson teaches how to find the areas of circles and semicircles, and solve a real-life problem using area. This lesson has SKELETON NOTES, notes that have the problem only. I used this with our 1-1 district devices. This will allow for the