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## RIDE. Revista Iberoamericana para la Investigación y el Desarrollo Educativo

*versión On-line* ISSN 2007-7467

#### Resumen

SANCHEZ DIAZ, Silvia; RAMIREZ MORA, Emilio Leonardo; CALDERON MAYORGA, César y SANCHEZ GOMEZ, Rubén. Mathematical Knowledge of First Entry Students of the Centro Universitario de los Valles of the Universidad de Guadalajara.* RIDE. Rev. Iberoam. Investig. Desarro. Educ* [online]. 2020, vol.10, n.20, e045.
Epub 18-Nov-2020. ISSN 2007-7467. https://doi.org/10.23913/ride.v10i20.675.

In this research, we analyze the knowledge in mathematics that have the first entry students of the Bachelor of Administration, Tourism, Public Accounting, Information Technology and Engineering in Mechatronics, Electronics and Computation, Electronic Instrumentation and Nanosensors, Molecular Design of Materials, Geophysics and Biological Systems. The goal is to identify the basic knowledge and the deficiencies of the students in this area before taking subjects such as Mathematics I or Pre-calculus (according to the case), so that these deficiencies do not contribute to failure, backwardness and possible abandonment of undergraduate studies. A test consisting of 15 multiple choice questions was applied to 413 students of these educational programs. As part of the analysis, it was found 44.20% of incorrect answers, 52.98% of correct answers and 2.82% of unanswered answers. An average score of 52.97 (failing) was obtained; only 3 students correctly answered the 15 questions and one student got a correct answer of the 15. The item 13, which requires to express algebraically the perimeter of a rectangle from a verbal expression, was the one that obtained the highest number of incorrect answers with 11.56%. Question 14, which consists in identifying the procedure to solve a first degree equation with an unknown, was the one that obtained the highest number of correct answers with 10.69%. The educational programs that obtained an average higher than the general average (52.97) were Mechatronics Engineering, Electronic Instrumentation and Nanosensors, Molecular Design of Materials, Geophysics and the Bachelor of Public Accounting; the rest had an average below the general average. Only Mechatronic Engineering and Geophysical Engineering students obtained passing grades averages. It is necessary that all bachelor's degrees correct these gaps, relying on the courses of Mathematics I and Precalculus. It is necessary to strength knowledge of fractions, exponents, hierarchy of operations, law of signs, and algebraic operations.

**Palabras llave
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**mathematics knowledge; higher education; first entry students; educational program; test.