score:2
On the return flight, there will be an immigration clearance in CDG, in Terminal 2E. The connection between 2F and 2E is done airside, and it is a long walk. but baring any delays, you should be fine -- I've done it myself.
On the way in, you will not walk to T1. You do not want that... You'll take the Blue Shuttle, and then the Green Shuttle:
More info here. Morning flights are plenty, and the airport is quite busy, but you should be ok.