While these guides provide the answers, they are most effective when used as a :

The for the 4th-grade Russian language textbook by E.S. Silnova, N.G. Kanevskaya, and V.F. Oleynik is a popular study aid used to check completed assignments. Textbook Structure and Content

The textbook is generally organized into major linguistic sections, typically including: Reviewing material from previous years.

Focusing on the meaning and structure of words.

Deep dives into nouns, adjectives, pronouns, verbs, and numerals. How to Use GDZ Responsibly

Studying the structure of speech and communication.

Rewrite the correct version and analyze the rule applied.