Techniques and purposes
Bar Graphs
Pie Graphs
Line Graphs
Different Graphs have different uses Bar Graphs are good for comparing how many items are found in different things: How Many Pencils and Pens Students Have
Different Graphs have different uses Pie Graphs are good for comparing how different parts fit into one complete thing: How Does a Nightingale Girls Spend her Day?
Different Graphs have different uses Line Graphs are good for comparing how one thing changes with another change: How Did the temperature change over time?