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?
You should become a cabbie in London. They all have to memorise 320 routes, 25,000 streets and 20,000 places of interest, e.g. hotels, stations, tourist attractions and so on. It’s called The Knowledge. There’s some evidence that mastering The Knowledge actually alters the structure of the brain!