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Usman Aripin
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Mathematics

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ANALISIS KEMAMPUAN BERPIKIR KREATIF MATEMATIK SISWA SMP PADA MATERI SEGITIGA DAN SEGIEMPAT Risma Amelia; Usman Aripin; Nurul Hidayani
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 1, No 6 (2018): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1470.725 KB) | DOI: 10.22460/jpmi.v1i6.p1143-1154

Abstract

This study aims to analyze the creative thinking abilities of junior high school students in the Triangle and Quadrilateral material. The method used in the preliminary study is descriptive qualitative, which aims to analyze the ability of students to solve triangular and quadrilateral problems seen from the level of mathematical creative thinking ability of junior high school students. The population in this study were junior high school students in the city of Cimahi and the sample for this study were 36 eighth grade students in one of the junior high schools in the city of Cimahi. The instrument of creative thinking ability test is given as many as 5 questions with the type of description. Then the results obtained are the level of mathematical creative thinking ability of junior high school students in the city of Cimahi based on the written test is still relatively low.
Analisis Kesalahan Siswa Berdasarkan Kategori Kesalahan Menurut Watson dalam Menyelesaikan Soal Komunikasi Matematis Siwa SMP Nurul Munawaroh; Euis Eti Rohaeti; Usman Aripin
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 1, No 5 (2018): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (952.993 KB) | DOI: 10.22460/jpmi.v1i5.p993-1004

Abstract

This study was conducted by giving a five description test that has been validated to one of the upper classes. This research was conducted in class VII J SMP NEGRI 1 CILAMAYA WETAN with limited subject ie 6 students with high, medium, and low grade student classification. The results of the research were students' answers analyzed by the Watson error category. And the percentage of student error type in solving the problem of mathematical communication based on categories of error according to Watson is (inappropriate data/ ID) including into error which is high enough that is equal to 38%, (inappropriate procedure/IP) including into error which is quite high at 34%. (omitted conclution/OC) error is included to a fairly low error of 26%. While (ommited data/OD), (response level conflict/RLC), (undirected manipulation/UM), (skills hierarchy problem/SHP), and (above other / AO) of 0% each, including into very low errors.
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL CERITA BANGUN DATAR SEGIEMPAT DITINJAU DARI KEMAMPUAN PEMECAHAN MASALAH MATEMATIK UNTUK SISWA KELAS VII anggraeni ratna sari; Usman Aripin
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 1, No 6 (2018): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1083.443 KB) | DOI: 10.22460/jpmi.v1i6.p1135-1142

Abstract

This research seeks to explore and reveal students' mathematical problem solving abilities by analyzing student answers. The research subjects were seventh grade students taken from a public junior high school in Purwakarta Regency. The results of the study show that students' mathematical problem solving ability is still very weak and far to be complete even though the level of difficulty of the instrument is in the medium category. In general, the ability of these study subjects in mathematical problem solving is still below 50%. It is time for teachers to apply problem-based learning, in addition to conventional learning models, to provide opportunities and experiences for students to see and experience mathematical problem solving in the classroom. This qualitative study exposes students' responses in dealing with story questions in a rectangular building material. In addition the students are given the questions shown to reveal whether the students are using a systematic solution or can answer directly without a sequence, judging by the ability to solve mathematical problems. There were 6 heterogeneous students who were the subjects in this study. Based on the analysis that has been done, the results obtained are (1) students answer the problem is not systematic, (2) lack of understanding of the sequence of problem solving, (3) students are too hasty in doing math problems.
Co-Authors Amelia, Risma anggraeni ratna sari Euis Eti Rohaeti Nurul Hidayani Nurul Munawaroh