WordPress.org

Installation is very simple:

1. Download plugin zip file, and unzip it.
2. Upload khan-exercises.php and all other files to the /wp-content/plugins/khan-exercises/ directory.
3. Activate the Khan Exercises plugin through the Plugins menu in WordPress.
4. Login as Admin and go to Settings > Khan Exercises.
5. Review the plugin settings page and navigate the links to see the exercises.