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This research aims to determine the mathematical understanding ability of junior high school students about the Two-Variable Linear Equation System (SPLDV) during the Covid-19 pandemic. This research is a qualitative descriptive study. Subjects in analyzing the mathematical understanding ability of junior high school students were grade IX students. The research was conducted at the beginning of the odd semester of the 2020/2021 school year in Bandung. The instrument in this study was a written test consisting of 4 essay questions that were given online via a google form. Each question represents indicators to be measured. The indicators measured are defining a concept, indicator of identifying and making example and non-example, indicator of using, utilizing, and choosing appropriate procedure and indicator of applying concept or algorithm toward problem-solving. Based on the research conducted, it was found that the level of students’ mathematical understanding ability for each indicator could be achieved well. However, especially for an indicator of applying concept or algorithm toward problem-solving, students have not been able to interpret the problem.

The analysis of students’ mathematical understanding ability in solving two-variables linear equation Ssystem during the Covid-19 pandemic