Framework of math teaching is defined by the Berlin Senate ('Rahmenlehrplan'):

https://www.berlin.de/sen/bildung/unterricht/faecher-rahmenlehrplaene/rahmenlehrplaene/

Fundamental competence fields are divided in the main categories 'process based' and 'content based':

We implemented the requirements of the Senate's framework for each year in our own detailed school internal curricula ('SchiC').

In addtion, we offer a voluntary math course in Year 10. The covered topics are sequences and series, limits of sequences, series and functions.