EFEKTIVITAS MODEL PROBLEM-BASED LEARNING BERBANTUAN MEDIA GEOGEBRA TERHADAP KEMAMPUAN LITERASI MATEMATIKA SISWA KELAS IX PADA MATERI BANGUN RUANG

This study aims to examine the effectiveness of the Problem-Based
Learning (PBL) learning model assisted by GeoGebra on the mathematical
literacy skills of ninth-grade students on the material of spatial figures. This
study uses a quantitative approach with a quasi-experimental research type
with a pretest-posttest control group design. The population in this study
involved all ninth-grade students in one of the junior high schools in Palu City,
with samples selected using cluster random sampling techniques, namely class
IX F as the experimental class and class IX I as the control class. Data
collection was carried out through a descriptive test to measure students'
mathematical literacy skills. Data analysis was carried out using an
independent sample t-test and an N-gain test with a significance level of 0.05.
The results showed that the Sig. (2-tailed) value was 0.001, which means there
was a significant difference between the experimental class and the control
class. The average N-gain in the experimental class was 0.48 which was
included in the medium category, higher than the control class of 0.23 which
was included in the low category. Thus, it can be concluded that the ProblemBased Learning (PBL) learning model assisted by GeoGebra is effective in
improving students' mathematical literacy skills in spatial geometry material
and can be an alternative in mathematics learning.

keyword: Problem-Based Learning (PBL) , GeoGebra, mathematical literacy