El fuerte (The Fort)

Practice nonstandard measurement at the zoo! This exciting, Spanish-translated title encourages readers to practice measuring their favorite zoo animals, such as elephants, giraffes, pandas, and more. A gorilla weighs the same as three men! When a cheetah runs, its stride length is the length of three men! An elephant weighs the same as three pickup trucks! Vivid images, fun practice questions, early STEM themes, and helpful mathematical diagrams make nonstandard measurement entertaining and easy for children to understand.

The article refers to the experience carried out in the "Center for Studies of Educational Quality and Scientific Research" located in Toluca city, State of Mexico, Mexico, referring to the doctoral training model based on Neutrosophy, a relatively new philosophical discipline, whose value in this circumstance lies in the consideration of neutral opinions in the process of directing the research work that it is part of the doctoral training.

Methodological proposal of cooperative work, applied to the curricular contents of Algebra, with attention to education in values and to the diversity of the students. It includes fundamental theories, practical orientations for classroom organization, and abundant practical material to learn Algebra cooperatively.

Yákov Isídorovich Perelmán fue un divulgador de la física, las matemáticas y la astronomía, uno de los fundadores del género de la literatura de ciencia popular.

En este texto se encuentran combinados, con rigos y sencillez excepcionales, los fundamentos de los métodos propios del álgebra lineal para la resolución de sistemas de ecuaciones, los cálculos de vectores y vectores propios, con las técnicas numéricas más adecuadas. También debe resaltarse el desarrollo completo de los algoritmos correspondientes, así como su programación en BASIC, para los numerosos métodos de resolución presentados.