The My Synopsis edition is a series of manuals aimed at helping the teacher prepare for the lesson. The author offers a basic framework, using which each teacher can create his own outline of the lesson. The manual is intended for teachers of general educational institutions who work in the 7th grade according to the mathematics curriculum "Curriculum for students of grades 5-9 of general educational institutions" (Order No. 804 of the Ministry of Education and Science of Ukraine dated June 7, 2017). Special attention