I suppose it would be mostly practical skills, cooking, fixing things. Usually had to be done by people themselves.
Maybe also mental things like navigating (with or without paper map) and remembering their daily and weekly agendas.
What other things would be a big difference with the people today?
I had a few big atlases in my car. One for my city, one for my state, and if I went somewhere else on vacation or for business, I’d get an atlas for that area as well. After a while you have a library of them in a box in the trunk.
Driving and flipping through an atlas was the pre-GPS version of texting and driving.