Illustrations show "groups of objects"—three nests with three eggs each—to explain that is simply repeated addition.
A typical Russian 2nd-grade math curriculum (such as the School of Russia or Petersson programs) focuses on several pillars, all of which benefit from visual aids: kontrolnye raboty po matematike 2 klass s illjustracijami
These are the heart of the control work. A drawing of two shelves with different numbers of books helps the student determine whether they need to find a "sum" or a "difference." Conclusion laying the foundation for higher-level algebra.
Diagrams and geometry-based drawings help students visualize multiplication (as arrays of dots) and division (as groups of items), laying the foundation for higher-level algebra. kontrolnye raboty po matematike 2 klass s illjustracijami