Abstract
The paper offers to primary teachers the classifyng game 'Guess and Pay' with tables 2x3 and 3x3. Classifying is one of everyday thinking operations.
This ability is possible to develop in school.
The paper offers to primary teachers the classifyng game 'Guess and Pay' with tables 2x3 and 3x3. Classifying is one of everyday thinking operations.
This ability is possible to develop in school.