Bars Graphs, Circle Graphs, Line Graphs, & Histograms in a PowerPoint PresentationThis slideshow lesson is very animated with a flow-through technique. I developed the lesson for my Algebra 1 class, but it can also be used for lower level classes. This lesson teaches how to interpret bar graphs, line graphs, circle graphs and histograms, create bar graphs, line graphs, circle graphs and histograms, use tables to organize data and solve problem, & use graphs to organize and solve real-l