If you are looking for solutions (GDZ) or educational support for specific exercises, these resources are commonly used:
: Spelling rules for vowels, unpronounceable consonants, and the use of the hard sign (Ъ) and soft sign (Ь). kniga 3 klassa avtor ramzaeva otvety uprazhnenie
Which or topic (e.g., word roots, suffixes) do you need help with? If you are looking for solutions (GDZ) or
: The "Russian Language 1-4" handbook often accompanies the textbook to explain the rules behind the exercises. Core Curriculum Topics Exercises in the 3rd-grade curriculum typically cover: Word Structure : Analysis of suffixes, prefixes, and roots. kniga 3 klassa avtor ramzaeva otvety uprazhnenie
The textbook is available in two parts from various retailers: Bookvoed US Labirint Sbooks