La alfabetización matemática y su relación con el intercambio comercial, la escolaridad elemental y el trabajo

My goal is to contribute to the discussion of how elementary education and labor activities contribute to the mathematical literacy of people. I examine some aspects of how youths and adults acquire mathematical knowledge and tools, both through elementary-education programs and through engaging in occupations that do not require much schooling. I focus on the concept of proportionality because it cuts across elementary education, it serves as a base for more advanced mathematics, and it is an asset for work and for interaction in different fields of social activity. I explain how the Mexican ...