The objective of this work is to investigate the financial behavior of a certain group of students, making a diagnosis of their knowledge about Financial Mathematics and Financial Education through two questionnaires together with the proposal of three contextualized activities on the same subject, which they aim to stimulate the interest of students on the topic. During the course of the project, tools necessary for calculations and examples closer to the student s reality were approached during the classes, which made a reflection on types of purchases and investments. After the introduction of the first questionnaire and the evolutionary display of the classes, it is intended, in addition to an improvement in the calculations related to Financial Mathematics, an awakening and a maturity for making financial decisions in everyday situations.