Basic didactic principles in the study of mathematical concepts

The problem of understanding in the study of basic mathematical concepts in mathematics education has exacerbated during recent years. This is largely due to the fact that the style of thinking of pupils and students thanks to the intensive use of the Web becomes figurative and emotional, less inclined to abstract constructions. Fragments-clip thinking has become more common for most of students.
The article deals with the didactic principles to be used in the study of mathematical concepts, which will contribute to achieving understanding.