It is not idiomatic "to give" a class. A class, hinein this sense, is a collective noun for all the pupils/ the described group of pupils. "Ur class went to the zoo." Hinein another situation, let's say I am at a party. If I want to invite someone to dance, https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u