Following the introduction on adjectives, where it was suggested to practice them with opposites or antonyms (in Russian антонимы). They weren’t provided then and there, but here they are now.

Numbers in Russian can already be a puzzle when you’re counting from 1 to 10. The words for 4 (четыре) and 5 (пять) don’t resemble anything you’re familiar with, восемь (8) is also strange, and 9 (девять) and 10 (десять) sound alike.