Critics argue the material is unnecessarily difficult ("the textbook is a mess") and that even parents struggle to explain the concepts without external help.
The 4th-grade curriculum by these authors is known for its high level of difficulty, focusing on:
Reviews from platforms like Labirint and LiveLib highlight contrasting experiences: Critics argue the material is unnecessarily difficult ("the
It serves as a reliable way to check complex multi-part homework answers before submission.
Many tasks are closer to "Olympiad-style" problems, requiring students to look for non-standard solutions. Operations with large numbers
Operations with large numbers, often presented through complex word problems.
The GDZ for Demidova’s 4th-grade math is best used as a rather than a "copy-paste" shortcut for students. Because the curriculum relies heavily on logical reasoning and combining multiple processes, using these solutions solely to "spisat" (copy) may leave students unprepared for the rigors of 5th-grade math. Critics argue the material is unnecessarily difficult ("the
Some reviewers find the problems poorly localized, mentioning non-Russian names and currencies that can confuse younger students.