The textbook contains independent and control works in mathematics. The works are compiled in accordance with the requirements of the state educational standard and the concept of "Promising elementary school" and fully correlate with the textbook "Mathematics" (grades 1-4), author A.L. Chekin. The manual ensures the organization of training and control both at the level of the standard of mathematical education and at a higher level. Tasks are given in several versions, answers are given to them, the most complex tasks are provided with solutions. In addition, the manual provides a methodology for analyzing completed tasks, methods of evaluating and organizing correctional work.