The manual is a part of the educational and methodological kit for the textbook "Algebra and Beginnings of Analysis. 11th grade. Profile level" (authors A. Merzlyak, D. Nbmirovsky, V. Polonsky, M. Yakir). The first part of the book contains independent works (four variants) that correspond to the topics of the textbook and are designed to develop problem-solving skills. The second part of the book contains tasks for tests (two versions).