We use graphs to show how things relate to each other and to help us make sense of data. It is one of those times that we are making a picture from math. If you ever peeked into the financial market you will see a slew of graphs. Understanding what those graphs mean and predicting what the graph will look like in the future are the fundamentals of any financial system. Needless to say, being able to read graphs is just as important as being able to understand what they mean.
The section on selecting graph types is a fundamental skill that is left out of most standards that we have seen, but it definitely is a core skill all kids should learn. In this section you will find just under 500 worksheets that are purely devoted to graphs and graphing.