The amount of work depends on the type of course and how many exercise groups you supervise. In most cases, a distinction is made as to whether the exercise takes place weekly or bi-weekly and whether the students can gain admission and/or a bonus for the exam by handing in homework. In principle, the hours are not distributed equally over all months of the semester, as this is not possible otherwise for legal reasons (esp. § 2 Minimum Wage Act). The total number of hours is approximately as follows:
1. for courses with exam admission and/or bonus system:
a) weekly rhythm of exercises: 134 hours
b) 2-weekly rhythm of exercises: 68 hours
2. for courses without bonus system and exam admission:
a) weekly rhythm of exercises: 116 hours
b) 2-weekly rhythm of exercises: 58 hours
The rates increase when taking over two exercise groups, but do not double, because not all activities double (e.g. preliminary discussion with the organizers). The same applies if one also takes over the correction of home exercises from the assistant exercise.