Analysing categories of mathematical proficiency based on Kilpatrick opinion in junior high school

Abstract

There are at least five mathematical proficiencies that student needs to have to be successful in learning math. The five proficiencies are: (1) conceptual understanding; (2) procedural fluency; (3) strategic competence; (4) adaptive reasoning; and (5) productive disposition. The math teacher has to facilitate student to develop these five mathematical proficiency. The purpose of this study is to find out how mathematical proficiency of students in learning to problem solving in public junior high school at North Bandung. The research method used is descriptive research using qualitative approach. The subject in this research was 10 students from 8 classes in junior high schools, in North Bandung, West Java. The instruments used in this research were mathematical proficiency test and interviews. The result of the research can be concluded is that mathematical proficiency in public junior high school students grade VIII at North Bandung are good, that can be seen from the result of the students’ answers that bring out 21 out of 25 categories of mathematical proficiencies. The strategy mostly used by students is a trial and error strategy.