You can find digital versions and guides for this textbook on several educational platforms:

: Many specific textbook exercises are explained step-by-step on educational YouTube channels, such as this channel which covers pages 84-85.

: In-depth study of nouns, adjectives, pronouns, verbs, and adverbs. Word Structure : Prefixes, roots, suffixes, and endings.

Решебник - Русский язык. 4 класс. 2012г. - ГДЗ на gdzometr.by

: Sites like gdzometr.by and 5iz5.ucoz.ru offer online "reshubniki" (answer keys) organized by lesson and section.

If you are looking for general help on current chapters, these are the typical topics covered in the 4th-grade curriculum: