This study investigated the effects of the use of Augmented Reality (AR) on the academic performance of students, as well as perceptions that were following the use of this new technology resource. The participants were students of primary education in Spain, which were assigned to an experimental group and a control group. Contents related to the topic Representation Earth were created, and were held with the collaboration of teachers using tablets to display bookmarks. To analyze the results collection tools of quantitative and qualitative data are used, a pre-test and post-test on the subject explained. I was done and Likert questionnaire on aspects of the use of the AR was given and an in depth interview was done teachers. Used tools of collection of data quantitative and qualitative to the deal are of a design quasi-experimental. In order to analyze the data, the statistical software SPSS 23 was used. The use of the AR as a teaching tool sheds results that reveal that the performance and the acquisition of knowledge of students improves significantly, being reflected in the ratings that were higher. The process of teaching and learning is perceived as positive, incentive and facilitator in the acquisition of knowledge.