The official Menschen A2.1 Lehrerhandbuch (ISBN: 978-3-19-211902-6) contains the complete answer key for the Kursbuch and Arbeitsbuch. This is the most reliable source. You can purchase it as a physical book or an e-book from Hueber’s website, Amazon, or bookstores like Buchhaus or Libri.
Exercise 1a (Vocabulary: Packaged goods – quantities) Menschen A2 1 Kursbuch Answers
Exercise 2b (Grammar: Accusative vs. dative with „kaufen“, „geben“, „bringen“) The official Menschen A2
Exercise 3c (Listening: Supermarket announcements – what is on sale?) [Track 18] Exercise 2b (Grammar: Accusative vs
Exercise 4a (Roleplay: At the market – possible dialog)
Complete the exercise as if you have no access to answers. Use a dictionary, grammar tables, or notes — but not the key.
Hueber, the publisher, does not always include a full answer key inside the Kursbuch because it is designed for classroom use. However, legitimate sources include: