Reliable digital versions of this reshebnik are available on several educational platforms: GDZ.ru offers a page-by-page breakdown of the 2014 edition.
A (or GDZ) for the 5th-grade natural science workbook by A.A. Pleshakov and N.I. Sonin is a popular study aid in Russian schools. It provides complete solutions to exercises in the "Nature: Living and Non-living" (Природа: живая и неживая) curriculum. Core Purpose and Use Reliable digital versions of this reshebnik are available
Introduction to how scientists observe and experiment with the natural world. Reliable digital versions of this reshebnik are available
Euroki is a community-driven site where users frequently upload scanned or typed answers for the Pleshakov/Sonin series. Reliable digital versions of this reshebnik are available
Exploration of various kingdoms of life, including plants, animals, fungi, and bacteria.
Students use it to check their answers after completing homework independently.