50 classes in Russian language and mathematics. This notebook is designed to repeat and consolidate the completed material in the Russian language and mathematics for the 2nd grade course. The works cover all the topics covered in these subjects, which allows you to preserve the skills and abilities acquired over the year. Tasks are offered to children for self-completion, and answers to them can reduce the time for adults to check them. The notebook contains an approximate list of books to read. The reader's diary will help parents organize systematic reading of the child throughout the summer holidays.