: Working with various units of time, length, mass, and area .
: Systematizing knowledge through training and developmental exercises that progress in difficulty . : Working with various units of time, length, mass, and area
The by M.I. Moro and S.I. Volkova is a widely used educational supplement designed to accompany the official 4th-grade mathematics textbook within the "School of Russia" ( Shkola Rossii ) curriculum . While specific 2017 editions are often sought after for their alignment with previous educational standards, the workbook is regularly updated to meet current Federal State Educational Standards (FSES/FGOS) . Core Content and Structure : Working with various units of time, length, mass, and area