Introducing the concept as "equal groups" and learning the basic multiplication tables. Problem Solving:
If you need the physical workbook for the "School 2100" system, retailers like Labirint carry the Kozlova and Rubin "Control Works". 2nd Grade Math Study Guide zadaniia po matematike 2 klass avtor kozlova rubin skachat
Basic geometric tasks, such as finding the of shapes. Logical & "Non-standard" Tasks: Introducing the concept as "equal groups" and learning
To find 2nd-grade math assignments by S.A. Kozlova and A.G. Rubin, you are likely looking for the (Контрольные работы) or "Didactic Materials" (Дидактический материал) that accompany the "School 2100" curriculum. Where to Find Materials zadaniia po matematike 2 klass avtor kozlova rubin skachat
Mastering facts within 20 and column addition/subtraction within 100 (both with and without regrouping).
The Kozlova/Rubin materials are known for "non-standard" problems that require logical thinking rather than just calculation. Practice Resources