This research is conducted due to low mathematical abstraction ability of junior high school
students, since that mathematical abstraction is an important skill for both male and female …

Previous research regarding abstraction has not discussed abstraction qualitatively based
on van Hiele levels. Thus, it is necessary to study abstraction analysis based on van Hiele …

In solid geometry, the concept of conic sections plays an important role in teaching graphs
such as parabolas, ellipses, and hyperbolas to undergraduate students in Mathematics …

Mathematical abstraction is a cognitive process when students construct their mathematics
knowledge and the result of the process itself. This study explores the mathematical …

This study aims to analyze and describe student difficulties in solving mathematical
abstraction thinking problems in the Mathematics Statistics subject. This research is …

Collaborative problem solving (CPS) is a critical competency, because much of the work
people do occurs in a social context involving direct collaboration. Meanwhile, schools are …

Using Student Activity Sheets (SAS) in learning is one of the teacher's efforts to provide
scaffolding to students. This paper is a limited trial in using student activity sheets based on …