The book "Practices on the theory and methodology of teaching mathematics in secondary school", created by the team of authors, is an important and relevant resource for teachers, students and anyone interested in modern approaches to teaching mathematics . This work is not just a collection of methodological recommendations, but a whole system aimed at developing students' deep knowledge and skills in mathematics, which makes it an indispensable tool for teachers. The book discusses the main theoretical aspects of teaching mathematics, as well as practical techniques that will help teachers effectively organize the learning process. The authors emphasize the importance of an individual approach to each student, which allows to develop not only mathematical abilities, but also critical thinking, logical reasoning and creative approach to solving problems. This is especially true in the context of modern educational standards, where the emphasis is on the development of competencies, and not just on memorizing the facts. Who is this workshop intended for? First of all, it will be useful for students of pedagogical universities who are preparing to become teachers of mathematics . Also, the book will help current teachers who seek to update their knowledge and introduce new techniques into their practice. In addition, it may be of interest to parents who want to better understand how math is taught in school, and how they can support their children in this process. The topics raised in the book cover a wide range of topics, from the basics of mathematical education to modern technologies and teaching methods. The authors discuss such important aspects as the formation of mathematical literacy, the use of information technology in teaching, as well as the role of play and practical tasks in the development of interest in mathematics. These topics are not only relevant, but also cause great interest among readers, which makes the book especially valuable. The style of the authors is characterized by accessibility and clarity of presentation, which makes it easy to assimilate even the most complex concepts. They use many examples from practice, which helps the reader to see how theoretical aspects are applied in practice. This makes the book not only a textbook, but also a real guide to the world of mathematical education. If you are looking for literature that will help you become more confident in teaching mathematics, or want to learn about new methods and approaches, then “Practices in the theory and methodology of teaching mathematics in high school” will be a real find for you. This book will not only expand your knowledge, but also inspire new ideas and experiments in your teaching practice. In conclusion, it is worth noting that the work of the team of authors is not just a textbook, but a whole philosophy of learning, which is designed to make mathematics accessible and interesting for every student. If you want your lessons to be not only informative, but also fascinating, this book will be your reliable assistant. Do not miss the opportunity to get acquainted with modern teaching methods and bring fresh ideas to your practice!