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All Journal AL ISHLAH Jurnal Pendidikan JPMI (Jurnal Pembelajaran Matematika Inovatif)
Ajeng Rena Fujirahayu
IKIP Siliwangi
Education Languange, Linguistic, Communication & Media Mathematics Other

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ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL OPERASI BENTUK ALJABAR BERDASARKAN TEORI KASTOLAN Ajeng Rena Fujirahayu; Aflich Yusnita Fitrianna; Luvy Sylviana Zanthy
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.v5i6.11203

Abstract

The purpose of this research is to find out students' mistakes in solving algebraic operations according to Kastolan's theory. In this study used a qualitative descriptive method with the research subject of class VII in one of the MTs in West Bandung Regency with a total of 20 students consisting of 9 girls and 11 boys. The data collection technique was carried out in the form of a written test consisting of 5 description questionsFrom the results of the analysis of student errors based on Kastolan theory, there are several types of Kastolan errors overall, namely: 1) the type of conceptual error is 60%, this type of error is included in the high category 2) the type of procedural error is 40%sufficient category and 3) the type of technical error by 30% this type of error is included in the low category. Based on the results of the analysis that has been obtained from students' answers, the cause of the errors that exist in each of these errors is an error in making mathematical models, students do not show completion strategies and students' lack of ability to perform arithmetic operations.
Development of Multimodal Mathematics and Indonesian Language Books for Elementary School Learning in Bandung Barat Ratna Sariningsih; Indra Permana; Ajeng Rena Fujirahayu
AL-ISHLAH: Jurnal Pendidikan Vol 15, No 3 (2023): AL-ISHLAH: JURNAL PENDIDIKAN
Publisher : STAI Hubbulwathan Duri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35445/alishlah.v15i3.2947

Abstract

This study aims to (1) develop multimodal mathematics and Indonesian language books for learning in elementary schools, (2) determine the feasibility level of multimodal mathematics and Indonesian books for learning in elementary schools. This study used the Borg and Gall development model research method which consisted of (1) preliminary study, (2) initial product development, (3) expert validation and product revision, (4) limited field trials and product revision, (5) test try the field and the final product. The resulting product is an Android-based learning media in the form of multimodal books for learning mathematics and Indonesian in elementary schools with the subject, integer arithmetic operations, mixed integer arithmetic operations, determining mixed arithmetic operations with whole numbers, looking for main ideas and writing poetry in elementary schools. Based on the formulation of the problem, research results, and discussion, the results of this study can be concluded that (1) the development of Multimodal Book considered several product characteristics, namely, (a) students play an active role, (b) precise and consistent language, (c) music selection, background, buttons, types, colors, attractive letters, (d) animations and images support elementary school students' understanding, (2) multimodal Mathematics and Indonesian Language Books for Elementary School Learning are appropriate to use and can improve the learning of Mathematics and Indonesian Language for Elementary School students in West Bandung Regency.
Co-Authors Aflich Yusnita Fitrianna Indra Permana Luvy Sylviana Zanthy Ratna Sariningsih