The book is available through several reputable retailers and in various formats:
Finding the official answer key for Grammatik Aktiv A1-B1 (Cornelsen Verlag) is straightforward, as the solutions are integrated directly into the physical and digital versions of the book. Where to Find the Answers In the Back of the Book : For most print editions, the complete (solutions) are located in the final pages of the textbook. Integrated App : Cornelsen offers a Grammatik Aktiv App Grammatik Aktiv A1-b1 Pdf Answers REPACK
Take the answer key and try to reconstruct the question. For example, if the answer key says "Ich würde gerne nach Berlin reisen," write down three possible questions that could lead to that answer. This builds active recall. The book is available through several reputable retailers