Mathematics 3rd grade [Textbook] part 1

The textbook is focused on the development of the thinking and creative abilities of students, the formation of a system of strong mathematical knowledge, general educational skills, the development of personal qualities, cognitive interest and value attitude to education.
It is part of a holistic educational and methodological complex in mathematics "I am learning to study" for preschoolers, primary and primary school students (from 3 to 15 years old) Corresponds to the Federal State Educational Standard of primary general education.
Realizes the didactic system of the activity method L. G. Peterson. Methodically ensured by developing manuals, workbooks, independent and control collections, programs, standards, methodological recommendations