Selected Questions of Mathematics, 7-8 cl . Optional course by H. I. Vilenkina and his colleagues are a real storehouse of knowledge for students seeking to deepen their mathematical skills and prepare for future tests. This textbook is not just a manual, but a whole universe of fascinating tasks and questions that will help develop logical thinking and analytical abilities. Vilenkin, known for his unique approach to teaching mathematics, created this book in order not only to educate, but also to interest young readers. Each section is filled with a variety of tasks that range from simple to more complex, allowing each student to find something at their own level. The book covers key topics such as algebra, geometry, arithmetic and even elements of mathematical analysis, making it an ideal tool for preparing for exams and olympiads. Who can like this book? First of all, it is intended for students of grades 7-8, but not only . Teachers of mathematics will find in it many ideas for lessons and additional tasks, and parents who seek to help their children in their studies will be able to use it as a reference. Students preparing for admission to specialized classes or to mathematical faculties will also appreciate its high informativeness and usefulness. The topics raised in the book are diverse and relevant. Vilenkin focuses on the importance of logical thinking and the ability to solve non-standard tasks. It shows how mathematics permeates all spheres of life, from the natural sciences to art. The book teaches not only to solve equations, but also to understand how mathematical logic works, which is certainly an important skill in the modern world. Style N. I. Vilenkina is distinguished by clarity and accessibility. He knows how to explain complex things in simple words, which makes his books especially valuable for schoolchildren. Vilenkin is the author of many other well-known textbooks and manuals on mathematics, such as "Mathematics. 5-6 classes" and "Mathematical problems", which also deserve attention. His work is always of high quality and well-thought-out structure, which makes them indispensable for students and teachers. "Selected Mathematics Questions, 7-8 cl. The Optional Course is not just a textbook, but a guide to the world of mathematics that inspires and motivates. Readers, plunging into its pages, will be able not only to improve their knowledge, but also to develop an interest in mathematics as a science. The book will be an excellent assistant in preparing for exams, Olympiads and even in everyday life, where mathematical skills can be very useful. If you are looking for a high-quality and fun math tutorial for high school students, then “Selected Math Questions” is exactly what you need. Do not miss the opportunity to get acquainted with this wonderful book and discover the amazing world of numbers and formulas!