Focuses on linguistics and grammar theory.
The material is divided into three functional blocks that repeat throughout the book:
The Russian language textbook for Grade 4 (Part 1), edited by (and authored by S. V. Ivanov et al.), is part of the "Elementary School of the 21st Century" (Nachalnaya Shkola XXI Veka) curriculum.
Unstressed vowels in roots, suffixes, and endings; use of "ь" and "ъ"; and spelling prefixes.
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