Last modified: 2023-12-04

#### Abstract

*ABSTRACT*

*This study aims to analyze students' mathematical literacy in solving Plane Geometry problems in terms of their self-efficacy. Self efficacy refers to an individual's belief in the abilities that students have. In the context of mathematics learning, self efficacy can influence students in overcoming mathematical challenges. The method used in this research is a descriptive study with a quantitative approach. Data were collected through a mathematical literacy test that focuses on solving flat shape problems and a self efficacy questionnaire filled out by students. The research was conducted on senior high school students with a sample size of 30 students. The results showed that there was a positive correlation between students' self efficacy level and their mathematical literacy in solving flat shape problems. Students who have higher levels of self-efficacy tend to have better mathematical literacy skills in that context. In addition, the data analysis also identified that students with low self efficacy tended to have difficulties in understanding, planning and solving flat shape problems. The results of this study indicate the importance of considering students' self efficacy in mathematics teaching. Teachers and mathematics educators can design learning strategies that enable students to improve their self-efficacy*.*.*

*Keywords: Mathematical Literacy; Plane Geometry; Self Efficacy*