The "Reshebnik" (answer key) for the textbook by Vinogradova (often part of the "Nachalnaya Shkola XXI Veka" program) is a popular tool for checking homework. In the first part of the textbook, students focus on foundational grammar like word structure (phonetics and morphology) , parts of speech , and sentence construction .
Below is a post you can use to share or organize these resources:
Deep dives into nouns, adjectives, verbs, and pronouns.