Özet:

The purpose of this study was to determine the effect of student attitudes in mathematics lessons on understanding mathematical concepts. The research method used is a survey method by collecting data directly from respondents. To obtain data on student attitudes in mathematics, the researchers collected data using a questionnaire, then to obtain data on understanding mathematical concepts, the test results were distributed to students. Samples were taken as many as 100 students with a simple random technique. Data analysis using simple linear regression. The results showed that there was an effect of students attitudes in mathematics on understanding mathematical concepts. To improve students understanding of mathematical concepts, it is necessary to make changes to improve the ability of subject teachers, especially mathematics teachers, by providing training or upgrading, attending teacher seminars, providing opportunities to continue education, or getting their own references about generating student motivation.

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