what is a diagram in math
In math a bar diagram is a pictorial representation of numerical data in the form of rectangles or Bars of equal widths and various heights.
Math: Understanding Diagrams. Learn about different types of diagrams, graphs and charts. Learn how to understand and read data represented by lines, colors, and bars. Includes lesson plans and in-class activities. This topic is linked to eThemes Resources on misleading graphs, pie charts, line, and bar graphs.
In the context of Venn diagrams, the universe is not everything, but everything you're dealing with right now. Let's deal with the following list of things: moles, swans, rabid skunks, geese, worms, horses, Edmontosorum (a variety of duck-billed dinosaurs), platypusses, and a very fat cat.