For the last 3 years, I have taught in an engineering school, usually between September and March. It is legally sealed with a fixed-term contract (as a regular employee contract, not as freelancer).
It represents 5 contracts, over 2 to 7 months, ranging from 10 to 40 hours with lessons lasting from 1 to 4 hours.
I do it part-time. I have had full-time jobs over this period.
On my resumé I have wrote a line per contract (as "Occasional Haskell Teacher"), should I still represent it like that? (My worries come from the fact that my other main jobs are less visible compared to my teaching jobs).