ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL OPERASI HITUNG PENGURANGAN BILANGAN DESIMAL PADA SISWA DI SEKOLAH MENENGAH PERTAMA PONTIANAK

Abstract

AbstractThis study aims to find out the errors made by students in solving arithmetic operations ondecimal numbers in class VII SMP Negeri 21 Pontianak. Data were collected throughstudent answers in the form of written questions in the form of essays. The method used inthis research is descriptive method. The data analysis technique that will be used in thisresearch is correction. Based on the results of the research that has been done on questionnumber 1 there are 80% errors, question number 2 is 73.3%, question number 3 is 73.3%,question number 4 is 86.7% while question number 5 is 86, 7%. From the results of the studyit can be concluded that the mistakes that are often made by students are conceptual errorsand operational errors. This concept error, students do not understand the properties ofnumber operations and place values on the number itself. Meanwhile, students' operatingerrors often make mistakes in calculating decimal numbers subtraction operations. It ishoped that this research can be a reference in further research.Keywords : Error analysis, Student error