Teaching strategies have a privileged position for all responsible factors for students’ school success, highlighting the teacher’s ability to choose and combine methods, processes and instruction means, types of grouping students in a certain order, to select and structure the content according to the scientific objectives, to choose some learning experience to be lived by students. Problems solving activity has the wealthiest formative valences because the student takes advantages of available mathematical knowledge for his, her intellectual development. The research was of an experimental type, using the test method. The experiment was conducted by a group of students at the primary and preschool pedagogy weeks of teaching practice. The results confirm the research hypothesis. In conclusion we can say that in order to achieve quality education and achieve the best results, you should combine classical and modern methods of teaching, learning, assessment, different forms of organization with different educational teaching aids.
Key words: problem solving, didactic strategies, primary school, experiment