Major events from Ancient Rus to the Russian Empire (e.g., the Mongol invasion, Peter the Great).
Identification of Russia's climate zones, flora, and fauna (Tundra, Taiga, Steppe). kontrolnaja rabota 2 chetvert 4 klass gyi
Addition and subtraction of numbers up to 1,000,000, and multiplication/division of multi-digit numbers by single digits. Major events from Ancient Rus to the Russian Empire (e