: General educational sites like GDZ.ru list solutions for various 4th-grade math programs, though specific coverage for Geidman may vary by year.
: For practice, you can use interactive teaching aids designed specifically for Geidman's 4th-grade curriculum. Content Overview
: An official digitized version of the 2022 textbook (Part 1) is cataloged in the National Electronic Library (NEB) for viewing.
: Specialized communities on social media, such as the Primary School VK Group , often share PDF files of supplemental materials, including "Enrichment Math for Young Muscovites" by Geidman. Digital Textbooks and Workbooks
: The printed textbook and workbooks are published by Russkoe Slovo and the MCCME .