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?
Still taught everywhere in Europe.
Fun fact: taking notes by hand helps you learn better than typing them.
They stopped teaching it here in the US, which makes me wonder what people will use for a signature.
I use a graphical tablet (wacom) to write my notes. If i write my notes, i remember them much better.