For a complete lesson on pictographs and line plots, go to http://www.MathHelp.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn that a line plot is a graph that shows the shape of a data set by using x's above each value on a number line. Students also learn that a pictograph is a graph that shows data using picture symbols. Students are then asked to create line plots or pictographs using given data, and answer questions based on given line plots or pictographs.