For practical knowledge on banks, stocks, and taxes, the Financial Literacy Textbook for Grades 10-11 by A.P. Kireev is an excellent resource.
You can find several highly-rated 10th-grade economics textbooks available for download or online viewing. Depending on whether you need a basic overview or an in-depth study, here are the most recommended options: R.I. Khasbulatov: Economics (10-11 Grades)
Экономика - 10-11 классы - Королева Г.Э.
Known for its simple and accessible language, making it one of the most popular textbooks for first-time learners. Link: View PDF via MGGEU . G.E. Koroleva & T.V. Burmistrova: Economics (10-11 Grades)
Offers well-structured material with clear diagrams and Russian economic statistics. Link: Download PDF from Institutiones .