: A popular alternative that break down tasks by page and exercise number.

Finding the root ( koren ), prefix ( pristavka ), suffix ( suffiks ), and ending ( okonchanie ).

: Offers clear scans and explanations for every exercise in the Zheltovskaya/Kalinina textbook.

Since this curriculum is part of the "Planet of Knowledge" (Planeta Znaniy) series, the exercises often focus on word structure, parts of speech, and spelling rules. Where to find the full solutions

Distinguishing between Nouns, Adjectives, and Verbs, and identifying their gender and number.

If you are stuck on a specific rule, here is a quick refresher on what this textbook usually covers at this stage:

Working with unstressed vowels, silent consonants, and the use of the hard sign (ъ) and soft sign (ь).

It sounds like you're looking for help with the for the 3rd-grade Russian textbook by L. Ya. Zheltovskaya and O. B. Kalinina .