This workbook is content-identical to workbook 978-3-14-028027-3. Additionally, it contains interactive exercises that can be accessed using the printed online key. With the interactive exercises, students receive motivation, assessable tasks for guided or self-directed practice, reinforcement, and application of the course content. Whether at school or at home, students can practice digitally and receive specialized feedback and advice for each task. Many varied task formats increase motivation and lead to successful learning.