Взаимное расположение фигур на плоскости - Инфоурок
A great presentation for 2nd graders should move from observation to "modeling." Educators often use hands-on activities to reinforce these ideas:
: Show two shapes and ask, "Do they have a common part?"
: Features professional pedagogical articles on lesson modeling for 2nd-grade geometry.
: Provides complete lesson outlines focusing on "common parts" and intersection exercises.