ANALYSIS OF STUDENTS' DIFFICULTIES IN UNDERSTANDING CONCEPTS IN THE SYSTEM OF LINEAR EQUATIONS OF THREE VARIABLES (SPLTV) CLASS X
DOI:
https://doi.org/10.56667/dejournal.v3i1.904Keywords:
Student Difficulties, Concept Understanding, System Of Linear Equations Of Three VariablesAbstract
In mathematics learning, many students have difficulty in understanding the concept of the System of Linear Equations in Three Variables (SPLTV), especially at the high school level. This happens because students have difficulty connecting basic concepts in mathematics, such as algebra, geometry, and logic which are needed to understand the SPLTV material. This difficulty often arises when students begin to learn more complex materials, such as SPLTV, which require in-depth understanding.The type of research used is qualitative research using a descriptive approach and the instruments used are descriptive tests and questionnaires. The subjects of this study were class X TKRO-2 SMK Negeri 5 Medan selected from 12 classes using simple random sampling techniques and the objects of this study were difficulties in understanding concepts. Data analysis used data reduction, data presentation, and drawing conclusions. So it can be concluded that on the indicator of restating a concept, the results of students' answers show that it can be said that the students have not been able to restate a concept because the students did not write down what was known and what was asked in the test questions given, on the indicator of presenting concepts in various forms of mathematical representation, the results of students' answers show that it can be said that the students are less able to present a concept into various forms of mathematical representation because only a few students can make analogies and mathematical models on the test questions given, and on the indicator of applying concepts or algorithms to problem solving, the results of students' answers show that it can be said that the students have difficulty solving problems on the Three Variable Linear Equation System (SPLTV) because in the test results, many students do not make problem solving so that students immediately continue to the next question.
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