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All Journal Jurnal BELAINDIKA (Pembelajaran dan Inovasi Pendidikan) Jurnal Abdimas Bina Bangsa
Tanjung, Sri
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Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Analisis Kesalahan Siswa SMP dalam Menyelesaikan Soal Cerita Transformasi Geometri Berdasarkan Teori Newman Reza Ahmadi; Gembong, Sardulo; Tanjung, Sri
Jurnal BELAINDIKA (Pembelajaran dan Inovasi Pendidikan) Vol 6 No 3 (2024): Jurnal BELAINDIKA
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/belaindika.v6i3.264

Abstract

This research aims to analyze the mistakes of class IX students of SMP Negeri 6 Madiun in solving geometric transformation story problems. The research method used was descriptive qualitative with research subjects being four students (one boy and three girls) chosen randomly from the class. The instruments used consisted of written tests and interview guidelines. The results of the analysis show that students face several main errors in the process of solving mathematics story problems. Identified errors included reading errors, where some students were unable to identify key information in the question; errors in understanding concepts, especially in applying the concept of geometric transformation correctly; difficulty in transforming story problems into appropriate mathematical models; errors in calculation process skills, where some students fail to carry out calculations correctly even though they use the right method; as well as errors in writing final answers, where some students did not include clear conclusions in their answers. The implication of these findings is the importance of improving student learning and coaching in critical aspects such as reading skills, understanding mathematical concepts, transformation abilities, calculation process skills, and answer writing strategies. This research contributes to the development of more effective mathematics curriculum and teaching methods at the junior high school level, with a focus on improving students' conceptual understanding and practical skills in solving mathematics problems in real contexts. It is hoped that the results of this research can become a basis for improvements in a more holistic and effective approach to mathematics learning in the future.
OPTIMALISASI PERTUMBUHAN DAN PERKEMBANGAN ANAK DENGAN MITIGASI STUNTING DAN PENGUKURAN DENVER DEVELOPMENT SCREENING TEST (DDST) PADA ANAK BALITA Syafitri, Endang Nurul; Deny Krisnanto, Paulinus; Asmarani, Fajarina Lathu; Mindarsih, Eko; Tanjung, Sri
Jurnal Abdimas Bina Bangsa Vol. 6 No. 1 (2025): Jurnal Abdimas Bina Bangsa
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/jabb.v6i1.1549

Abstract

Stunting is a serious public health problem in many countries, including in Indonesia. Based on prevalence data per 2021, the stunting rate of children under five in Sleman Regency is 6.92% or 3,445 children. This data was obtained based on the measurement of the nutritional status of 59,275 children. And in 2022 the stunting rate has decreased to 6.88%. Ngemplak District is one part of Sleman district. The purpose of this service is to find out the nutritional status of children, know the development of children and educate them so that there will be an increase. The method used in this service is to measure growth using a weight weighing device (Digital Scale), Microtoice, and Z Score. To measure child development, the Denver development screening test (DDST) is used. The results of the service were obtained by 29 child respondents, with the majority being female 55.2%, nutritional status with the stunting category as much as 10.34% and suspect child development 17.24%. Conclusion: There are children with stunted nutritional status and there are children with suspect development
Co-Authors Deny Krisnanto, Paulinus Fajarina Lathu Asmarani Reza Ahmadi Sardulo Gembong, Sardulo Syafitri, Endang Nurul