The purpose of this work of professional sufficiency is to develop my learning session, called "We understand and complete numerical patterns up to 50" addressed to students in first grade of primary education, of the Institucion Educativa N° 81751 "Dios es Amor" of the district de la Esperanza, Trujillo province. It consists in to design a learning session, in the area of Mathematics, the problem-solving approach has to be taking attention. Besides solves problems of regularity, equivalence and change, taking the necessary resources for the elaboration of this learning session as they are the combination of competence, capacities and performances._x000D_ This learning sesion, was developed based in the dialog, respect and empahty between the students, so they can learning by a relationship in a automatic way, so they can to contribuit to develope competences who can serves them at dair...