I created a free tool for creating math documents like this. Check out the homepage to download it and make your own documents today! http://opennotebookmath.com/
If you download the software you can generate these documents (and customize them to your liking) and not pay for them. If you find the software useful, consider buying the bundle to support my work on the software.
Five different styles of Cartesian grids, each provided in two different ready-to print arrangements. Six per sheet or