oppgave means task, duty, but also exercise, assignment, test, etc, depending on the context.
Funny how in German that would be Aufgabe and auf normally means up and gabe comes from geben "to give" in English. The similarities continue to amuse me
I think that "oppgave" might have something ti do with a gift, as "gave" means "gift"
It wouldn't be a good translation, but her "oppgaver" could include doing her homework, and her homework can certainly include "oppgaver":