Pemahaman Konseptual Matematis Siswa pada Materi Kubus di Kelas IX Smps Bumi Khatulistiwa

This study aims to determine the students' conceptual understanding of mathematical material in Class IX cube SMPS Earth Equator in terms of the level of mathematical ability. The method used is descriptive research is a form of case studies. The sample was 21 students. The results of the data analysis showed that students' mathematical conceptual understanding for the above groups were categorized by the percentage of achievement by 78%, the ability of the middle group of students included in the low category with the percentage of achievement by 57% and lower ability groups of students included in the category with a very low percentage of achievement by 33%