By now you should be able to access your lesson plan folders. If you are having trouble finding it in Google Drive, here's a few tip on how to locate it.
1. Open up Google Drive
2. On the search bar type in your teaching subject eg. Science
3. It should show you the folders you are teaching.
4. Click on it. Open up the desired folder like weekly lesson plans.
5. You can either drag and drop or click New (In a red box) and then file upload.
6. done
If you need my help, let me know the place and time so that I can help you out or not just email me.