For a deep dive into the broader context of how this curriculum is taught, you might also look at , which details the specific instructional methods used for 8th graders in Russia.
Mathematical problem solving in textbooks from twelve countries
While many educators view GDZ as a "crutch" that hinders independent thinking, some modern manuals, like those published by Richard Rusczyk (AoPS), argue that solution guides can be used as active learning tools—provided they focus on step-by-step logic rather than just the final answer.