The manual analyzes various cases of using and spelling numerals, provides examples of the design of receipts, powers of attorney and other business papers, examines methods of including numerals in fiction texts, offers game tasks and joke tasks. The manual is intended for foreign students, interns and postgraduates (level B1 and above). The section ‘Methods of writing numerals’ and tasks with the * sign can be used in classes on the Russian language and culture of speech in groups of Russian students.