Problem posing is considered as the hearth of doing mathematics. Teacher are strongly recommended to let their students experience problem posing activities during the mathematics instruction. Since teachers basically have to use all of their time to learn how to improve their professionalism in teaching practice they can be considered as students as well. Terefore teachers should also apply problem posing activities for their own need to distinguish them from those who are not profesional mathematics teachers. This article provides an example on how teachers should pose problems related to mathematical contents to be taught and related to their teaching practises.