Description: This lesson uses Patriot Day (September 11) as a context for practicing data analysis, graphing, and problem solving in a respectful, age-appropriate way. Elementary: Graph small data sets of helpers (firefighters, police, medics) with pictographs or bar graphs.Middle School: Analyze timelines and casualty numbers, calculate percents, and create bar graphs.High School: Work with complex datasets such as rebuilding costs or memorial attendance, modelin