Exercises frequently combine different areas of study—for instance, a task might require morphemic analysis (breaking down a word) alongside a grammar exercise, helping students see the language as a unified system.
система развивающего обучения л. в. занкова uchebnik po russkomu iazyku poliakova 4 klass uprazhnenie
The "helpful feature" you're looking for regarding A.V. Polyakova's 4th-grade Russian language textbook—which is a core part of the L.V. Zankov developmental learning system—is its focus on . such as adverbs
The 4th-grade curriculum specifically moves from simple observations made in earlier grades to higher-level abstractions, such as adverbs , direct speech, and complex sentence analysis. uchebnik po russkomu iazyku poliakova 4 klass uprazhnenie
Many tasks (упражнения) ask students to compare word sets or sentence structures first, guiding them to formulate a rule before it is explicitly stated in the text.