The course by V.N. Rudnitskaya and T.V. Yudacheva is a central component of the "Primary School of the 21st Century" ( Nachalnaya Shkola XXI Veka ) program. Designed to build complex logical thinking, the curriculum is distributed across two main textbook parts and several supplemental workbooks. Curriculum Overview
: Working with units (converting meters to centimeters), and using tools like protractors and compasses.
: Learning the specific hierarchy of operations, prioritizing expressions in parentheses, followed by multiplication/division, and finally addition/subtraction.