Within the scope of the 2022-23 Academic Year preparations, the “Primary School Mathematics Curriculum” with the participation of our primary school teachers was carried out under the leadership of instructor Özer Öztürk. The trainings, carried out with the contributions of our Professional Learning Center (PÖMER), where UbD plans were reviewed, new rubrics were created to measure skills and attitudes, the scope and content of the level assessment studies to be applied were determined, and preparations were made for the detection of learning losses, were held face-to-face with the participation of 27 teachers.