*Circle Graph/Pie Graph- it looks like a circle, divided into parts or fractions which look like slices of pie. That's why it is sometimes called pie graph. The parts have different colors and it needs a key to explain the colors.
*Bar Graph- a bar graph uses bar to show data. Either vertical or horizontal. The data can be showed as a word or number.
*Picture Graph- uses pictures, symbols, signs to show data. A key is needed too to understand the picture. One picture means one vote.
*Histogram- it is a special kind of bar graph that shows history, that why it's called histogram and the data should be shown in order. The data should be shown as numbers.
*Line Graph- a line graph is a plotted points. Then the points are connected to form a line.