Finding tutorials you’re in the middle of

From the Home page, you can pick up where you left off via the ' Jump back in' section:

To see a full list of everything you're working on or have completed, click on your Profile Page link in the main menu (this will just be a head and shoulders image if you’ve not uploaded a Profile Picture)

and click on the ‘ Progress’ link from the drop-down menu that appears:

Once in the "Progress" tab, scroll down the page and you'll see " Current and Completed". 

Click on the relevant tutorial, you'll be taken there and you can pick up where you left off.