The solutions generally cover the following key concepts found in the B1.1 level:
Use the book’s own structure to verify your work without a key:
Several educational document-sharing platforms host the full "Lösungen" PDF for the entire B1.1 level: Course Hero : Hosts a full Schritte Plus Neu 5 B1.1 Loesungen AB.pdf document which covers lessons 1 through 7. : Provides a collection titled Schritte International Neu B1.1: Lösungen zum Arbeitsbuch
If you're interested in accessing the "Schritte international neu 5 B11 Arbeitsbuch Lösungen portable", you can try searching online for a downloadable version or check with your local language school or bookstore to see if they carry a copy.
: Offers a detailed document titled Schritte International Neu B1.1: Lösungen zum Arbeitsbuch which covers grammar, vocabulary, and daily life exercises.