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All Journal Jurnal Pengajaran MIPA Journal on Mathematics Education (JME) Jurnal Infinity International Journal of Education Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam Al Khawarizmi: Jurnal Pendidikan dan Pembelajaran Matematika JURNAL KONFIKS Delta-Pi : Jurnal Matematika dan Pendidikan Matematika Al-Jabar : Jurnal Pendidikan Matematika JRPM (Jurnal Review Pembelajaran Matematika) PRISMA Indonesian Journal of Islamic Early Childhood Education Empowerment Journal of Honai Math International Journal on Emerging Mathematics Education ABDIMAS SILIWANGI Teorema: Teori dan Riset Matematika Jurnal Basicedu MEJ (Mathematics Education Journal) Tunas Siliwangi : Jurnal Program Studi Pendidikan Guru PAUD STKIP Siliwangi Bandung JPMI (Jurnal Pembelajaran Matematika Inovatif) (JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING IJECA (International Journal of Education and Curriculum Application) MATHEMA: JURNAL PENDIDIKAN MATEMATIKA FOKUS : Kajian Bimbingan dan Konseling dalam Pendidikan Pasundan Journal of Mathematics Education : Jurnal Pendidikan Matematika Dikmas: Jurnal Pendidikan Masyarakat dan Pengabdian Edusentris: Jurnal Ilmu Pendidikan dan Pengajaran Research of Service Administration Health and Sains Healthys Edumatica: Jurnal Pendidikan Matematika Jurnal Basicedu Journal of Artificial Intelligence and Digital Business Jurnal Pendidikan MIPA Journal on Mathematics Education
Heris Hendriana
STKIP Siliwangi Bandung
Arts Humanities Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Structural Model Between Mathematical Reasoning and Mathematics Problem-Solving Abilities of Junior High School Students Anggoro, Abdurrobbil Falaq Dwi; Hendriana, Heris; Yuliani, Anik
Journal of Honai Math Vol. 6 No. 1 (2023): Journal of Honai Math
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jhm.v6i1.405

Abstract

Based on the preliminary survey, it is known that the scores of junior high school students' math problem-solving abilities are low. One of the causes of the low ability to solve mathematical problems is the low ability of students' mathematical reasoning. The purpose of this study was to examine the suitability of the structural equation model for the relationship between mathematical reasoning abilities and mathematical problem-solving abilities. This research design is ex post facto. The population of this study was students of SMP N 1 Bengkulu City, as many as 296 students. A simple sample randomly selected as many as 100 people. The research instrument was a test of mathematical problem-solving ability and a test of mathematical reasoning ability. The data were analyzed through a structural equation model with the help of the Lisrel 8.8 and SPSS programs. The result of this research is that the path efficiency is very significant, meaning that the ability of mathematical reasoning is directly related to the ability of solving mathematical problems. This means that an increase in mathematical reasoning ability leads to an increase in mathematical problem-solving ability. The conclusion of this study is that mathematical reasoning ability is directly related to mathematical problem-solving ability, with the contribution of mathematical reasoning ability to increasing mathematical problem-solving ability of 15.13%. The implication is that in the process of learning to solve mathematical problems, mathematical reasoning abilities are a necessary condition for students before learning to solve mathematical problems.
Enhancing Mathematical Understanding Ability, Creative Thinking Skills and Self Confidence through Open-Ended Approach on Junior High School Students Desi, Desi; Putra, Harry Dwi; Hendriana, Heris
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 1 (2025): VOLUME 8 NUMBER 1, MARCH 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i1.24788

Abstract

T he open-ended approach in mathematics education has been proven effective in enhancing deeper understanding, creative thinking skills, and student self-confidence by encouraging exploration and allowing multiple solutions. This study aims to evaluate the effectiveness of the open-ended approach in improving mathematical understanding, creative thinking skills, and self-confidence among junior high school students, as well as to identify specific strategies within this approach that most significantly contribute to these educational outcomes. The research employed a quasi-experimental design with a pre-test and post-test control group. Participants were junior high school students divided into two groups: an experimental group that received instruction using the open-ended approach and a control group taught using traditional methods. Data were collected through tests measuring mathematical understanding, creative thinking skills, and self-confidence, administered before and after the intervention. Statistical analysis of the results indicated that students in the experimental group showed significant improvement in mathematical understanding, creative thinking skills, and self-confidence compared to the control group. This study concludes that the open-ended approach is more effective than traditional teaching methods in enhancing these educational outcomes among junior high school students. The findings highlight the importance of implementing the open-ended approach in mathematics education to provide more meaningful learning experiences and better prepare students for complex problem-solving tasks.
Pelatihan penerapan deep learning terhadap pembelajaran matematika pada guru-guru SMA di Kota Cimahi Sugandi, Asep Ikin; Bernard, Martin; Hendriana, Heris
Abdimas Siliwangi Vol. 8 No. 2 (2025): Juni 2025
Publisher : IKIP SILIWANGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/as.v8i2.27377

Abstract

Kegiatan pengabdian ini bertujuan untuk meningkatkan pemahaman dan kesiapan guru-guru Matematika di MGMP Kota Cimahi dalam mengintegrasikan teknologi deep learning ke dalam proses pembelajaran. Seminar dilaksanakan sebagai bentuk respon terhadap perkembangan teknologi kecerdasan buatan yang semakin relevan dalam dunia pendidikan. Metode yang digunakan meliputi penyampaian materi teoritis, demonstrasi aplikasi pembelajaran berbasis AI, serta sesi diskusi interaktif. Hasil evaluasi menunjukkan peningkatan signifikan dalam pemahaman peserta, dengan rata-rata skor pre-test sebesar 60 dan post-test sebesar 85. Selain itu, 92% peserta menyatakan minat untuk mengikuti pelatihan lanjutan. Kegiatan ini tidak hanya memberikan pemahaman dasar tentang deep learning, tetapi juga memicu antusiasme guru untuk terus mengembangkan inovasi pembelajaran. Tindak lanjut dirancang dalam bentuk workshop lanjutan dan pembentukan komunitas belajar digital. Kegiatan ini terbukti efektif sebagai langkah awal menuju transformasi pembelajaran matematika berbasis teknologi.
PELATIHAN PENCIPTAAN KOSTUM TARI KREASI MELALUI PEMBERDAYAAN LIMBAH SAMPAH BAGI GURU PAUD DI PURWAKARTA Santana, Fifiet Dwi Tresna; Komala, Komala; Hendriana, Heris
Tunas Siliwangi Vol 5 No 2 (2019): VOL 5 NO 2, OKTOBER 2019
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/ts.v5i2p120-125.1569

Abstract

Tujuan jangka panjang dalam pengadian kepada masyarakat ini adalah untuk mengenalkan kembali nilai-nilai kearifan lokal melalui kegiatan penciptaan kostum tari kreasi serta untuk memberikan pelatihan kepada masyarakat tentang sadar akan limbah sampah, sehingga pengolahan limbah sampah menjadi barang yang berguna yakni kostum tari kreasi. Tujuan yang ingin dicapai mengoptimalkan pemberdayaan limbah sampah untuk menumbuhkembangkan kesadaran budaya (cultural awarreness), ketahanan budaya (cultural reliance) dan kecerdasan budaya (cultural intelligence) para generasi muda terhadap budayanya sendiri. Metode yang digunakan yakni penelitian dengan pendekatan Lesson Study terhadap guru-guru PAUD di Purwakarta. Observasi, wawancara serta dokumentasi akan dilakukan untuk mendapatkan data mengenai pelatihan penciptaan kostum tari kreasi. Data akan dianalisis dengan beberapa teori yang terkait: pendidikan, sosiologi, antropologi dan psikologi. Penelitian ini diharapkan dapat menghasilkan: (1) Produk kreatif model kostum tari kreasi dari sampah limbah; (2) Terbinanya masyarakat yang sadar akan potensi local wisdom; (3) Terbinanya ketahanan budaya bangsa, (4). Terbinanya masyarakat akan sadar sampah limbah.Kata Kunci : Pelatihan, Penciptaan, Kostum Tari Kreasi, Sampah
Analisis kemampuan penalaran matematis siswa kelas VIII ditinjau dari motivasi belajar pada materi teorema Pythagoras Mulyani, Mulyani; Nurjaman, Adi; Hendriana, Heris
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 8 No. 2 (2025): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v8i2.24704

Abstract

This research aims to determine and analyze students' mathematical reasoning abilities in terms of students' learning motivation (high, medium and low). The research method used is descriptive qualitative, namely a research method that will describe a phenomenon. The subjects in this research were 34 class VIII students at a school in Cimahi City. The instruments used were a mathematical reasoning ability test, a learning motivation questionnaire, and an interview guide. Data from the research results were processed based on student learning motivation in the high, medium and low categories for each indicator of mathematical reasoning ability. Based on the research results, it shows that the average value of mathematical reasoning ability of students with high learning motivation is 64.4%, the average value of mathematical reasoning ability of students with moderate learning motivation is 62%, and the average value of mathematical reasoning ability with motivation low learning by 50%. In general, among students' difficulties in working on mathematical reasoning ability questions are errors in mathematical calculations, this shows that students do not understand the concept and only use their memory to solve the problem.
Analysis of Students’ Mathematical Creative Thinking Skills through Problem-Based Learning on High School Farida, Imas Siti; Hendriana, Heris; Supriatna, Tatang; Yuliani, Anik
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.23837

Abstract

The problem in learning mathematics today is how to develop creative thinking skills and make it a goal in the mathematics learning process, students often assume that mathematics can only be understood by some students. This research aims to descriptively analyze the creative thinking abilities of students whose learning uses the Problem-Based Learning model in Statistics material. This research uses a qualitative and descriptive-analytical approach by examining the data described to get a detailed and in-depth picture of students' mathematical creative thinking abilities in statistics material. The population in this study were all students at SMA Negeri 6 Tasikamalaya with a sample of 38 students in class X-9 at SMA Negeri 6 Tasikmalaya. In this research, it was found that the average student scores on questions number 1, 2, 3, and 4 were 8.81, 8.43, 7.47, and 9.62. From this analysis, students understand better the solution to question number 4 regarding problem number 4. Then the question that has the lowest average value is question number 3 which concerns the study of questions regarding searching for upper quartile and lower quartile data. So in future research, it is hoped that we will be able to analyze students' abilities in the form of their learning outcomes to see the influence, differences, and interactions that occur in students' mathematics learning outcomes based on their gender.
Enhanching Students’ Mathematical Critical Thinking Skills through Google Sites-Assisted Problem Based Learning on Junior High School Dewi, Mera Komala; Hendriana, Heris; Supriatna, Tatang; Yuliani, Anik
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.23838

Abstract

The prevalence of students experiencing difficulties in applying mathematics in their daily lives can be attributed to the predominant approach of learning mathematics as a means of applying concepts, rather than as a foundation for learning. This research aims to improve students' mathematical critical thinking skills whose learning is based on Problem-Based Learning assisted by Google Sites. This research used a quasi-experimental research method with a quantitative approach which was carried out at SMPN 2 Cilaku Cianjur with a sample of 30 students in the experimental class and 31 students in the control class on Statistics material. The testing requirements for data analysis used consist of a normality test using Kolmogorov-Smirnov assisted by SPSS software. In this research, it was found that the average score of students in the experimental and control classes was 73.76 and 64.72 on the test before learning was carried out. Then 77.87 and 68.69 on the test after learning. So the average value of N-Gain in the experimental and control classes is 0.20 and 0.10. So, inferential statistical testing shows that the improvement that occurs in students' mathematical learning in the process of critical thinking skills with the Problem-Based Learning learning model assisted by Google Sites is very optimal when compared with conventional learning. Thus, for further research, it is hoped that an analysis of the Problem-Based Learning model can be carried out in comparison with other learning models to see whether some differences and interactions occur using the Analysis of Variance test.  
Analysis of Junior High School Students' Mathematical Problem-Solving Skills in Solving Social Arithmetic Problems Mardiansyah, Dian; Hendriana, Heris; Supriatna, Tatang; Putra, Harry Dwi
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.23842

Abstract

Education is the main foundation in character building and individual intellectual abilities. Mathematical problem solving ability is one of the important skills that must be mastered by students in the modern educational era, especially in the context of social arithmetic material that is often applied in everyday life. This study aims to analyze the mathematical problem solving ability of students in class VII-A at SMPN 3 Cisarua in solving social arithmetic problems. This research uses a descriptive qualitative approach with data collection methods through interviews with math teachers and observations of students during the learning process and problem solving. The data analysis process was carried out descriptively to describe the variations in students' problem solving abilities and the factors that influence these abilities. The results of the analysis show that the mathematical problem solving ability of students in class VII-A at SMPN 3 Cisarua still varies, with some students showing significant improvement after the application of the Problem-Based Learning (PBL) learning method. Factors such as student engagement in learning, understanding of mathematical concepts, and critical thinking ability affect students' mathematical problem solving ability. The application of PBL method can be one of the effective strategies to improve student engagement, understanding of mathematical concepts, and mathematical problem solving skills. In conclusion, PBL method is proven to be an effective strategy to improve students' engagement, understanding of concepts, and their mathematical problem solving skills, so it can be implemented more widely in mathematics learning.
Analysis of Students’ Errors in Solving Mathematical Critical Thinking Problems on Junior High School Sodik, Rahmat; Hendriana, Heris; Supriatna, Tatang; Putra, Harry Dwi
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.23858

Abstract

Critical thinking ability is one of the important competencies that students must have in facing challenges in the information age. This research aims to identify the types of errors made by class VII junior high school students in solving critical thinking skills questions on algebra material. This research uses a qualitative descriptive approach with the research subjects were 32 students in class VII.7, data collection was carried out through written tests containing critical thinking questions. It was found that several students made mistakes in solving algebra material questions, namely 1) Not understanding the concept of algebra definition; (2) The settlement process is not systematic; (3) There is no resolution process, go straight to the answer; (4) Do not understand the meaning of the question; (5) Weak in analyzing and arguing (6) Difficulty modeling problems in algebraic form; (7) Not understanding how to calculate operations and the properties of algebraic operations; (8) No identification of questions, no collection and compilation of data in the questions; (9) Not familiar with complex multiple choice questions. This research shows that students' critical thinking skills in solving algebra problems are still low. This is caused by several factors, such as a lack of in-depth understanding of concepts, lack of process skills, and less effective study habits. To improve students' critical thinking abilities, improvements in learning need to be made, such as strengthening understanding of concepts, developing process skills, and improving study habits.
Enhancing Students’ Mathematical Critical Thinking Skills through STEM Learning on Junior High School Pratiwi, Fresty Restu; Hendriana, Heris; Supriatna, Tatang; Putra, Harry Dwi
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.23894

Abstract

This study aims to Enhancing Students' Mathematical Critical Thinking Skills Through Stem Learning On Junior High School. Critical thinking is an essential component in mathematics education, as it equips students with the ability to solve real-world problems, analyze data, and develop deeper conceptual understanding. The study adopts a quasi-experimental design with a pretest-posttest control group, involving seventh-grade students from SMPIT Mentari Ilmu. The experimental group (VII Shofiyyah) was taught using STEM-based learning, while the control group (VII Khaula) received conventional instruction. Both groups were assessed through pretests and post-tests to evaluate improvements in critical mathematical thinking skills. The data were analyzed using descriptive statistics, normality tests, and independent t-tests to determine the significance of the results. Findings indicated that the experimental group significantly outperformed the control group, with higher post-test scores reflecting greater improvement in critical thinking skills. Moreover, the students and teachers expressed positive responses to the STEM-based approach, highlighting its effectiveness in fostering engagement and higher-order thinking. The study concludes that STEM-based learning serves as an effective pedagogical strategy for enhancing critical thinking in mathematics, making it a valuable tool for junior high school education. The results suggest that this approach should be further developed and implemented to promote students' critical thinking abilities in various educational contexts.
Co-Authors A.A. Ketut Agung Cahyawan W Adi Nurjaman, Adi Aflich Yusnita Fitrianna Afrilianto, Muhammad Ahmad Syahrul Fauzi Alam, Syah Khalif Amelia, Rika Andi Rahman Anggoro, Abdurrobbil Falaq Dwi Anggraeni, Inggri Anik Yuliani ansori ansori Asep Ikin Sugandi Astuti, Veni Aprilia Dwi B, Irvan Irviana Batori, Batori Bernard, Martin Cahyani, Enny Putri Dadang Kusnadi Danny, Firman Desi Desi, Desi Dewi, Mera Komala Diana Wijayanti, Diana Diman, Diman Dini Apriani, Dini Ervinna, Wulan Euis Eti Rohaeti Eva Dwi Minarti, Eva Dwi Farida, Imas Siti Farwati, Serlin Fauzy, Alwan Fifiet Dwi Tresna Santana, Fifiet Dwi Tresna Fitria, Neng Fia Nisa Gantiny, Thalia Prilian Gitriani, Reva Hari, Laela Vina Harry Dwi Putra, Harry Dwi Herdiman, Indri Heri Isnaini Jaenal, Enjang Jatmiko Wahyu Nugroho Joshua Johanto, Tri Jozua Sabandar Kadarisma, Gida Kamelia, Siti Komala Komala Koswara, Engkos Lestari, Atika Sri Lina Marliana Hidayat M Afrilianto, M M. Afrilianto Mardiansyah, Dian Masta Hutajulu Masyita Suherman, Maya Maulida, Nurpradesa Maya Masyita Suherman Moka, Santriwati Moreb, Mohammad Mulyani Mulyani Musyafa, Helmi Rizki Mutaharoh, Silmi Nelly Fitriani, Nelly Nugraha NUR LAILA Nurhayati, Ani Nurlela, Euis Nurlina, Arni Nurul Hidayani Olugbade, Damola Permatasari, Sri Nurwahyuni Prasetio, Yudi Pratama, Aris Pratiwi, Fresty Restu Putra, Harry Putri, Asri Adi Putri, Chantika Yuspia Ratna Sariningsih Ratnasari, Cica Ratni Purwasih, Ratni Ratu Ilma Indra Putri Rinawati Rinawati Rindawanti, Wulan Rippi Maya Risma Amelia, Risma Risnawati, Anni Ronny, Renata Teddy Roswahyuliani, Lestari Ruchiyat, Radifan Irsaly Rukanda, Nandang Rully Charitas Indra Prahmana Rusmawan Rusmawan, Rusmawan Safitri, Juliana Satria, Tri Septian, Muhammad Rezza Setiawan, Hikmal Sidik, Muhammad Jafar Siti Aisah Siti Chotimah Siti Rosidah Sodik, Rahmat Solihah, Sri Sopika, Riris Sri Nurhayati Stephanie, Eveline Sugilestari, Tuti Suhartini, Tutin Supiyanto Supiyanto, Supiyanto Supriatna, Ecep Supriatna, Tatang Suwitowati, Yulis Tasripin Tita Rosita Triawan, Erwin Tuti Alawiyah Ujang Rahmat Slamet, Ujang Usman Aripin, Usman Utari Sumarmo Wahyu Hidayat Wahyu Setiawan Westhisi, Sharina Munggaraning Widiartini, Amas Widiawati, Windi Wikanengsih Wikanengsih Yani, Merisa Yayu Mutiara Ibay yusniawati, Yayu Zanthy, Luvy Sylviana Zulkardi Zulkardi