This flash site provides a simple way to make line graphs. Just enter the title, labels and axis increments and then pull the line into place. Use the print screen to make a copy to print or share.
http://ictmagic.wikispaces.com/Maths
A nice collection of online maths tools, including a colour spinner, coin thrower, graph & chart tools, fractions illustrator and many more.
http://ictmagic.wikispaces.com/Maths
This is a great set of flash maths resources for your whiteboard. Topics include an interactive number square, fraction bars and a set of algebra scales.
http://ictmagic.wikispaces.com/Maths