These tests aren't just lists of numbers; they are structured to assess specific "subject results":

Математика. 2 класс. Тетрадь для контрольных работ

Sites like Alleng often host PDF versions of the "Control Works for Mathematics" (Контрольные работы по математике) for 2nd grade.

Standard tasks for everyone and more challenging "starred" tasks to identify advanced learners.

Infourok provides methodological developments where you can read or download these specific tests online.

Most workbooks offer 4 to 6 variants of each test to ensure students aren't just copying from their neighbors.