This exercise book is potentially identical to the exercise book 978-3-14-127424-0. Additionally, it contains interactive exercises that can be accessed via the printed online key. With the interactive exercises, students receive motivating, assessable tasks for guided or self-directed practice, reinforcement, and application of the lesson content. Whether at school or at home, students can practice digitally and receive specialized feedback and advice for each task. Multiple diverse task formats increase motivation and lead to learning success.