If you aren't in a classroom setting, the answer key acts as your silent tutor.
Having the answer key is useless if you just copy it. Here is a 5-step active learning method: schritte international neu 5 b11 arbeitsbuch losungen
Some study platforms like Course Hero host user-uploaded documents (e.g., " Schritte Plus Neu 5 B1.1 Loesungen AB.pdf ") which contain answers to Lektion 1 and others. Blinklearning: If you aren't in a classroom setting, the