This work aims to investigate the approximations and distances, between what is recommended by the Common National Curricular Base and the Textbook. To raise questions about the objective, we chose to use the notion of ...

This work aims to analyze the characteristics related to the teaching of combinatorics in the textbook of the second year of high school; in a special way, focusing on the analysis of the approach of the initial concept ...

This article aims to point out if there are mathematical problems in the textbooks of the final grades of elementary school that require the use of the calculator, as well as its relationship with the skills of the BNCC. ...