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All Journal JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI EurekaMatika (Jurnal Online Matematika S1) Journal of the Indonesian Mathematical Society Journal of Mathematical and Fundamental Sciences JTAM (Jurnal Teori dan Aplikasi Matematika) Jambura Journal of Mathematics JPMI (Jurnal Pembelajaran Matematika Inovatif) BERDAYA: Jurnal Pendidikan dan Pengabdian Kepada Masyarakat ABDI MOESTOPO: Jurnal Pengabdian pada Masyarakat Indonesian Journal of Multidiciplinary Research (IJoMR) Jurnal Eurekamatika Diophantine Journal of Mathematics and Its Applications
Khusnul Novianingsih
Universitas Pendidikan Indonesia
Humanities Astronomy Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Physics Public Health Social Sciences Other

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Seminar Multimedia Interaktif Tim Dosen Multimedia dan Mahasiswa untuk Guru Matematika Sudihartinih, Eyus; Purniati, Tia; Marwati, Rini; Rachmatin, Dewi; Usdiyana, Dian; Muftiyah, Salma; Sari, Asyifa Anggun; Fophin, Theodore Dwivaland; Novianingsih, Khusnul; Haryanto, Dwi
ABDI MOESTOPO: Jurnal Pengabdian Pada Masyarakat Vol 7, No 2 (2024): Juli 2024
Publisher : Universitas Prof. Dr. Moestopo (Beragama)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32509/abdimoestopo.v7i2.4231

Abstract

Tujuan penulisan artikel ini yaitu untuk mendeskripsikan kegiatan PkM berjudul Seminar Multimedia Interaktif untuk Guru Matematika. PkM ini menggunakan model pelatihan Goad, yaitu 1) analisis kebutuhan pelatihan, 2) desain pendekatan pelatihan, 3) pengembangan materi pelatihan, 4) pelaksanaan pelatihan, dan 5) evaluasi dan pemutakhiran pelatihan. Bentuk kegiatan PkM ini, yaitu seminar untuk guru matematika SMP di Kota Bandung dan implementasi pada siswa kelas VIII. Tempat pelaksanaan PkM adalah SMP LabSchool UPI dan Program studi Pendidikan Matematika Fakultas Pendidikan Matematika dan Ilmu Pengetahuan Alam di Universitas Pendidikan Indonesia. Instrumen yang digunakan pada seminar dalam rangka PkM ini adalah angket guru. PkM telah dilakukan melalui implementasi media pembelajaran Scratch pada siswa kelas 8 SMP dan seminar dengan 6 buah pengembangan materi, yakni Scratch, Google Form, model-model pembelajaran, Kahoot, Quizizz, dan Liveworksheets yang diikuti oleh kurang lebih 100 peserta. Hasil dari PkM ini, yaitu kegiatan berjalan baik dan bermanfaat bagi guru matematika serta diharapkan dapat diadakan secara rutin. Dengan demikian, perlunya program lanjutan untuk meningkatkan pengetahuan dan keterampilan guru.
Analysis of Students' Errors in Solving Word Problems Viewed from Mathematical Resilience Haerani, Agus; Novianingsih, Khusnul; Turmudi, Turmudi
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 5, No 1 (2021): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v5i1.3928

Abstract

Many students in the world have difficulty in solving word problems, including students in Indonesia. TIMSS has shown that only eight percent of Indonesian participants are able to solve word problems, this result is hugely lower than the international average of 18 percent. One of the factors that cause students' errors in solving word problems is mathematical resilience. Thus, this study aims to analyze students' misconceptions in solving word problems viewed by their mathematical strength. This study was conducted for sixth-grade students in one of the elementary schools in Bandung. This study was qualitative descriptive research. In this study, there were four steps: selecting the word problems, answering the issues, filling out a mathematical resilience questionnaire, and interviewing. Students were encouraged to respond to a three-word question within 30 minutes, filling out a mathematical resilience questionnaire followed by the interview. This study showed that the students' errors in solving word problems were including comprehension, transformation, and process skill errors. Based on mathematical resilience, students with a low level of resilience predominantly carried out comprehension errors. In contrast, students with a moderate level of resilience more dominant made transformation errors. Meanwhile, students with high resilience completed more questions correctly, although several students seemed to have made process skills errors. This study's limitation is the data obtained online so that the respondents completed the instrument exceeds the given time. Further researches are suggested to conduct directly in the classroom to maximize the accuracy of the study.
Eksplorasi kesalahan siswa kelas X dalam menyelesaikan soal eksponen dan logaritma berdasarkan kategori Watson Nurhayati, Ani; Prabawanto, Sufyani; Novianingsih, Khusnul
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 9 No. 1 (2026): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v9i1.29615

Abstract

The high level of students’ errors in solving problems on exponents and logarithms indicates the presence of conceptual difficulties that need to be analyzed systematically. This study aims to analyze high school students’ errors on exponents and logarithms. The research was conducted on tenth-grade students at a senior high school in Bandung, involving 20 students, from which 6 samples were randomly selected. This study employed a qualitative approach with a descriptive method. The research instrument consisted of validated exponent and logarithm problems. The results showed that, based on the percentage of students’ errors in solving mathematical problems according to Watson’s error categories, inapproriate procedure errors were classified as high, reaching 48%. Omitted data errors were categorized as low at 14%, and response level conflict errors were also categorized as low at 10%. Skill hierarchy errors were classified as very low at 5%. Errors outside the seven categories were categorized as low at 24%. Meanwhile, incorrect data errors, omitted conclusion errors, amd undirected manipulation errors were not found (0%), thus falling into the very low category.
Parameter Estimation of a Climate-Based Dengue Mathematical Model in Bandung City Using the Particle Swarm Optimization Algorithm Sindi Meli Nur Afni; Khusnul Novianingsih; Ririn Sispiyati
Jambura Journal of Mathematics Vol 8, No 2: August 2026
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjom.v8i2.39153

Abstract

Dengue Hemorrhagic Fever (DHF) is spread through the bite of the Aedes aegypti mosquito and is affected by the environment, especially temperature and rainfall. The purpose of this study is to create a SEIR (Susceptible–Exposed–Infected–Recovered) mathematical model taking into account the effects of climate factors and to estimate the parameters of this model using the Particle Swarm Optimization (PSO) algorithm. The analyzed data consisted of monthly reports of the number of dengue fever cases, temperature, and rainfall for the city of Bandung in 2022–2023 and were smoothed using a moving average. The parameter estimation process was performed by minimizing the Mean Absolute Percentage Error (MAPE), and the numerical simulation of the model was performed using the fourth-order Runge–Kutta method (RK4). The results of this study show that the model has two equilibrium points: a disease-free equilibrium point and an endemic equilibrium point, and the stability of the equilibrium points depends on the basic reproduction number R0. The best parameters obtained were β0 = 3.5553, β1 = 0.0021, β2 = 0.0001, σ = 7.5, µ = 0.0011, and γ = 3.6865, with an MAPE value of 0.1740 or 17.40%. These findings indicate that the model is able to represent the pattern of dengue fever spread with a low level of prediction error. Sensitivity analysis showed that the recovery rate parameter (γ) was the most responsive to changes in the model.
Co-Authors Adventia, Agnes Ai Susanti Asep Syarif Hidayat Azzahra, Khairunnisa Aulia Cece Kustiawan Dewanti, Rossy Dewi Rachmatin Dian Usdiyana Dika Faiz Himmawan Dwi Agustina Saprianti Dwi Haryanto Edy Soewono Elisabet Ivanna Grace Handayani Entit puspita Eyus Sudihartinih Fakhrana Nadhilah Fitriani agustina Fophin, Theodore Dwivaland Haerani, Agus Hamdiyanti, Yanti Hulliyatul Khoiriyyah Husty Serviana Husain Kartika Yulianti Kuntjoro A. Sidarto Lukman Lukman Marsyanda, Meifa Putri Masta, Al Azhary Megasari, Riska Mia Kusmiati Muftiyah, Salma Muhammad Fajar Anugrah Nauzy, Muhammad Azar Novelia Tria Ashar Novriana Sumarti Nurhayati, Ani Nurhuda Teapon Puspasari, Andini R. Hadianti Rahayu, Risyani A. Reka Septiani Rekha Bestari Martista Rieske Hadianti Rini Marwati Ririn Sispiyati Rizky Rosjanuardi S. Uttunggadewa Saladin Uttunggadewa Sari, Asyifa Anggun Sari, Della Puspita SATRIYAS ILYAS Serviana, Husty Sindi Meli Nur Afni Siti Nur Aisyah Sufyani Prabawanto, Sufyani Tia Purniati Turmudi Yusup Syarif Firmansyah