ANALISIS KESALAHAN DALAM MENYELESAIKAN SOAL CERITA PADA MATERI HIMPUNAN BERDASARKAN TAHAPAN NEWMAN

This study aims to answer the questions that have been formulated, namely: (1) the types of mistakes made by the subject in solving the set questions; (2) the cause of an error made by the subject in working on set questions. Classifying the types of errors according to Newman, namely reading errors, misunderstanding, transformation errors, process skill errors and errors writing the final answer. This study uses descriptive qualitative. The subject of this study was seventh grade students of Al-Mubarokah MTs. Subject collection using purposive sampling technique. Data was taken using the description test method. In this study the questions used were 5 questions about set stories. The results showed that the three subjects made mistakes in understanding, errors in transforming and errors in process skills. The cause of this error is because the subject does not know what is actually being asked about the problem, misunderstands the information in the question so that it cannot complete the next process, does not understand how to change into a mathematical model and is not skilled in calculating

ANALISIS KEMAMPUAN PEMAHAMAN MATEMATIS TERHADAP PROKRASTINASI AKADEMIK SISWA DALAM MATEMATIKA

This research aims to know the level of mathematical understanding ability against academic prokratinasi Junior High School students to find  out of reduction of academicis a descriptive qualitative prokartinasi students in completing the task and a matter of mathematics. The method of this research  is a descriptive qualitative, research done at the place of the junior high school cianjur classIX semester even. The research this belongs in a descriptive qualitative is attempting to describe the redution of academicprokartinasi students in working on and completing task and math problms. The population of this research this entire Junior class IX students in Cianjur. to obtain research data used instrument in the form of a test using SPSS application problem diagnostic and question form(questionner) prokartinasi academic students. the research result obtaineed conclusion : (1) the students skill level on the queston of the ability of understanding is still low,(2) academic prokartinasi students occured because of other activites to  do,(3) students need to be given an action that could reduce academic prokartinasi student