Psychological Analysis of Mathematical Text (Grade 6) Using the Laws of Perception According to M. Wertheimer

The article provides a structural psychological analysis of the correspondence between the structure of two mathematical text (grade 6, by Vilenkin and Zubareva). There were regarded the psychological laws of perception according to M.Wertheimer. The article provides the passage about Rational numbers for a mathematics textbook. The author provides the maximum number of the effects and factors of perception of the educational and scientific text. The purpose of this article is to analyze the school mathematical texts using psychology instruments, to identify the advantages and disadvantages of understanding and perceiving the material. The objectives of the article are the application of methods for analyzing the content, forms and language of presentation of a mathematical educational and scientific text, comparing the results obtained and suggesting an “ideal” one for adequate perception of information by a secondary school student as a subject of his own cognitive reality.