This request refers to the diagnostic and assessment materials for under the "Primary School of the 21st Century" program (headed by Natalya Vinogradova). The specific assessment book is typically authored by V.N. Rudnitskaya . Overview of Grade 2 Assessment (Vinogradova Program)
Teachers typically use a standardized scale for these works: : Zero errors. "4" (Good) : 1 major or 1–2 minor errors. "3" (Satisfactory) : 2–3 major and 1–2 minor errors. "2" (Unsatisfactory) : More than 4 major errors. Educational Philosophy proverochnye raboty po matematike 2 klass vinogradova
: Counting to 100, order of operations (multiplication/division before addition/subtraction), and mental vs. written calculation methods. This request refers to the diagnostic and assessment
: The assessment workbook contains thematic tests for current progress, as well as quarterly and year-end final exams. Works are usually provided in four variants across two difficulty levels (basic and advanced) to allow for a differentiated approach. Key Topics Covered : "2" (Unsatisfactory) : More than 4 major errors
: Recognizing/drawing basic shapes, calculating the perimeter of polygons, and understanding spatial relationships.
Рабочая тетрадь Математика. 2 класс. Для ... - WB Книги
: Working with text problems and using mathematical modeling (diagrams/schemes) to find solutions. Grading Criteria