The paper presents the reflections and analysis of the work developed through the discipline of Supervised Internship II - School of Mathematics, Federal University of Rio Grande - FURG. The action was conducted with 30 students in a class of 1st year of high school in a public school education in the municipality of Rio Grande / RS in the second quarter of the academic year 2010, which underwent a different proposal from the current actions taken by their teachers, how to work through the creation of problem situations and the use of blogs to help any doubts arising from process. The text is a brief introduction to the action, context and process of integration in the school environment, the possibilities of using new tools for teaching mathematics, the teaching strategies adopted, the curriculum content and considerations work e the process of teaching and learning. [ABSTRACT FROM AUTHOR]