: The materials span key geometric concepts across grade levels:
The primary feature of the (specifically for grades 7–11) is its structure, which mirrors the textbook's multi-level differentiation . These solutions are designed to support a curriculum where tasks are categorized by difficulty to accommodate different learning speeds. Core Features of Ershova's Geometry GDZ
: Platforms like GDZ.ru and MegaResheba provide these solutions online, often categorized by work number and variant for quick navigation.
: Most didactic materials by Ershova and Goloborodko contain six variants for every independent or control work, and the GDZ typically provides answers and step-by-step solutions for all of them.
: Focuses on basic constructions, the Theorem of Thales, and properties of triangles and parallel lines.
: Transitions into stereometry (3D geometry) and complex calculations involving volume and spatial figures.
: The GDZ is intended as a tool for self-checking rather than just copying. It helps students identify specific gaps in their logic before formal classroom testing.