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All Journal JPMI (Jurnal Pembelajaran Matematika Inovatif)
M. Ghiyats Ristiana
IKIP Siliwangi
Mathematics

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ANALISIS KESALAHAN KONSEP MATEMATIKA SISWA SMP DALAM MENYELESAIKAN SOAL MATERI BANGUN RUANG SISI DATAR Wulan Fitri Kania; M. Ghiyats Ristiana
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 5 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i5.p%p

Abstract

This research was conducted to analyze the student's mathematical concept errors when solving problems of the polygon. The method used is descriptive with a qualitative approach to describe the results of the analysis of the errors made by students. The research subjects were students of SMP class IX in one of the schools in West Bandung and totaled 30 people. The research instrument is 6 descriptive questions. The results showed that students' errors in numbers 1 and 2 were in a low category, questions numbered 3 and 4 were in the medium category, while questions numbered 5 and 6 were in the high category. Conceptual errors made by students are (1) errors in determining the formula to be used; (2) formula writing error; (3) errors in determining and substituting data into variables; (4) errors in determining the relationship between BRSD concepts. Factors that cause: less thorough in understanding the problem, wrong in analyzing the problem, error in performing calculation operations, not re-checking the answers. With these results, the solution that can be given is that teachers can better teach concepts by utilizing approaches, methods, strategies, and learning media that are tailored to the material and needs of students.
ANALISIS KESALAHAN SISWA SMP KELAS VII DALAM MENYELESAIKAN SOAL MATERI HIMPUNAN MELALUI PEMBELAJARAN DARING Risti Amelia; M. Ghiyats Ristiana
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 5, No 6 (2022): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v5i6.9748

Abstract

The experimentation was conducted online with the aim of analyzing student errors when working on set material questions through bold learning. The subjects of the experimentation are students from private high school in Bandung City with total of 20 students. The collection of data method uses the Whatsapp Group media. The technique for this observation is descriptive qualitative. Research media uses 6 about descriptions. The conclusion from the inquiry of participants in working on sets of: (1) students cannot change a representation into other forms, (2) students also cannot identify the properties of the set concept. This study obtained the result that the completion of the set questions was difficult for students. So it can be concluded that the skill of students when learning is low about the set material is still categorized (minimal). 
Co-Authors Risti Amelia Wulan Fitri Kania