8th Grade Math (Pre-Algebra) Writing Equations in Point-Slope Form in a PowerPoint Presentation This slideshow lesson is very animated with a flow-through technique. I developed the lesson for my 8th grade class, but it can also be used for upper level class reviews. This lesson teaches how to write an equation using a slope and a point, write an equation in point-slope form from a graph and a slope and write equations of lines using two points. This lesson has SKELETON NOTES, notes that have