Installation instructions
Moodle plugins directory
Click on Install now within the plugins directory, and then select your site from the list of “My sites”
Manually
Unzip all the files into a temporary directory. Rename the moodle-qtype_shortmath folder to shortmath, and move it into moodle/question/type. The system administrator should then log in to moodle and click on the Notifications link in the Site administration block.
Uninstalling
Delete the module from the Activities module list in the admin section.