Finding Students’ Missing Concept About Pythagorean Theorem In Mathematics

Abstract

The purpose of this study is to find solutions for students who have difficulty in learning mathematics especially for those who have weaknesses in solving a problem math Students in class VIII SMPS JAMBI MEDAN. Which identic students junior high school are still in the stage of play and stage of thinking that has not understood something abstract. Researchers use the method of observation. The population of this research is the eighth grader of SMPS JAMBI MEDAN consisting of 78 students. This research is done by various stages. The initial stage of this research begins by asking directly to students in the class about phythagoras python triangle material they have learn before, this is intended to know their memory of the material. The second stage we give a questioner that contains questions relating to the right triangle material and phythagoras for them to do and finish. In the process we make observations by looking at student behavior and their process of resolving questions in the questioner. The next stage is to interview students about their work processes and things they do not know about the problems we provide. The results show that most students are afraid or not eager to work on math problems that the topic of discussion has passed, because most of them no longer remember the topic and tend to forget it, only those who actually go directly (in the sense that something from their brains who constructed the subject matter with the real life they experienced themselves) who can remember the subject of the lesson again. There are some who can actually solve the problem if it is guided through the initial concept and through a problem without using the formula. Therefore a solution that can be used to help tackle it is a problem-based learning method.