Abstrak
The background of this study is the lack of students‟ ability to solve problems in the form of<br />story about the material of system of linear equations of two variables. This study aims to<br />describe the most common mistake made in solving the story of students according to the<br />method of Newman and the factors causing them to make mistakes. This research is descriptive<br />quantitative and qualitative. Subjects were X.2 grade students of SMAN 1 Salimpaung many as<br />18 people. The research instrument used was the fault of students in solving the problem of tests<br />and interviews about the story. Instrument test developed by designing test, test and test the<br />validity of the test. The data analysis technique used is data reduction, data presentation and<br />draw conclusions. The results indicate a read error is high enough and the error dikategorikaan<br />understand, the transformation, the skills and the process of writing the final answer<br />categorized as very high.