For those working with (specifically the "Primary School of the 21st Century" or Начальная школа XXI века program), Core Topics Covered in Part 2

Focus on addition and subtraction within 100, and an introduction to the multiplication table and division.

Identifying polygons , calculating perimeter , and understanding the properties of a circle/circumference.

Units of length, weight, and capacity, as well as time (hours and minutes).

For preparing for classroom assessments, Kontrolnaya2.ru provides practice tests tailored to Rudnitskaya's curriculum. Quick Study Tips

In Part 2, understanding why an operation comes first (like multiplication before addition) is more important than just getting the right sum.