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Haji, H Saleh

Universitas Bengkulu

Author-ID : 3332272

Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Public Health Social Sciences Other

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MENINGKATKAN KEMAMPUAN BERPIKIR TINGKAT TINGGI DAN HASIL BELAJAR SISWA MELALUI MODEL PROJECT BASED LEARNING DI KELAS VIII MTS BAITUL MAKMUR, KOTA BENGKULU Gyzka Veliesa; Saleh Haji; Hari Sumardi; Agung Setia Budi
MES: Journal of Mathematics Education and Science Vol 8, No 2 (2023): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v8i2.6945

This study aims to improve students' high-order thinking skills through Project Based Learning in Class VIII at Mts Baitul Makmur, Rejang Lebong, Bengkulu. There were two cycles in this research. Each cycle applies a project-based learning model and consists of four stages, namely planning, implementing, observing, and reflecting. The research subjects were 26 students of class VIII B at MTs Baitul Makmur Rejang Lebong. Data were collected through observation, field notes, documentation, and tests. The results showed that the implementation of project-based learning could improve students' high-level thinking skills. This is indicated by an increase in the percentage of higher-order thinking skills from pre-cycle (cycle 1 pre-test) of 48% (poor) to 73% (enough) in cycle 1. Then in cycle 2, it increased to 82% (good). Furthermore, there was an increase in student learning outcomes through the Project Based Learning model in Class VIII, Mts Baitul Makmur Rejang Lebong. In the pre-cycle, the average score of students' mathematics tests was 53.54, with classical completeness of 4%. In cycle 1, the average score increased to 76.62, with a classical pass of 73.08%. It increased in cycle 2, the average score being 80.12 with a classical pass of 85%.

The Understanding Abilities of Real Number Concepts For Primary School Student Khathibul Umam Zaid Nugroho; Saleh Haji
Annals of Mathematical Modeling Vol. 2 No. 2 (2022)
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/amm.v2i2.19

The purpose of this study was to determine the characteristics of relational elementary students in understanding the concept of real numbers. This research is an exploration of the research subject. The subjects of this study were students of MIN 2 Bengkulu Selatan. There is one realistic student in this research. The researcher is the main instrument in this research which is supported by an interview guide and an assignment sheet on the concept of real numbers. The data were analyzed qualitatively. The results of this study are that students with relational abilities can combine separate pieces of information to produce the completion of a task. Therefore it is suggested to teachers and researchers of mathematics education to explore students' mathematical cognitive processes before determining the learning strategies to be carried out.

Improving students' creative thinking ability through problem-based learning in class VII SMP Negeri 24, Bengkulu City Ririn Astria; Saleh Haji; Hari Sumardi; Robiatul Audaya
Math Didactic: Jurnal Pendidikan Matematika Vol 9 No 2 (2023): Mei - Agustus 2023
Publisher : STKIP PGRI Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33654/math.v9i2.2034

Penelitian ini bertujuan untuk mendeskripsikan bagaimana penerapan model pembelajaran problem-based learning dapat meningkatkan kemampuan berpikir kreatif peserta didik kelas VII B di SMP Negeri 24 Kota Bengkulu. Jenis penelitian dalam penelitian ini adalah Penelitian Tindakan Kelas atau biasa disebut PTK. Dengan teknik pengumpulan data menggunakan tes kemampuan berpikir kreatif matematis. Subjek dalam penelitian ini adalah peserta didik kelas VII B di SMP Negeri 24 Kota Bengkulu. Teknik analisis data dalam penelitian ini adalah dengan menghitung hasil belajar siswa di setiap akhir siklus. Hasil penelitian ini menunjukkan bahwa adanya peningkatan tes evaluasi di setiap siklusnya. Pada Siklus I, nilai rata-rata tes Peserta didik adalah 67 dengan kelulusan klasikal sebesar 50%. Pada Siklus II mengalami peningkatan nilai rata-rata menjadi 82,9 dengan kelulusan klasikal sebesar 100% dan meningkatnya persentase berpikir kreatif matematis yaitu 52,66% (cukup kreatif) pada Siklus I kemudian pada Siklus II meningkat menjadi 86,77% (kreatif).

Structural equation fit test of mathematical connection ability, mathematical reasoning, and mathematics problem-solving ability of junior high school students Abdurrobbil Falaq Dwi Anggoro; Saleh Haji; Hari Sumardi
International Journal of Trends in Mathematics Education Research Vol 5, No 1 (2022)
Publisher : SAINTIS Publishing

The purpose of this study was to test the compatibility of theoretical and empirical structural equations on the relationship between mathematical connection skills, mathematical reasoning, and mathematical problem-solving abilities of junior high school students. This is an ex-post facto research at SMP N 1 Bengkulu City. The population of this study was 296 people, and the sample was selected through a simple random technique of 100 people. Data collection techniques through tests with three research instruments. The three instruments are a mathematical problem-solving ability test, a mathematical reasoning ability test, and a mathematical connection ability test that have been valid and reliable based on expert tests and field tests. The data was tested using the Lisrel 8.8 application program. The results of the study are the P-valued of 0.05, RMSEA ≤ 0.08; NFI ≥ 0.90, NNFI ≥ 0.90; CFI ≥ 0.90; IFI ≥ 0.90; RFI ≥ 0.90; RMR ≤ 0.05; SRMR ≤ 0.05; GFI ≥ 0.90; and 0.8≤AGFI≤0.9; then the fit test for the complete structural equation model is good fit. It means that the theoretical structural equation model is compatible with the empirical structural equation model. Thus, the overall fit test of the model shows a fit model, and it can be concluded that the empirical structural equation model is compatible with the theoretical model.

Ethnomatematics of South Bengkulu in Mathematical Learning Community Ginta Octizasari; Saleh Haji
International Journal of Trends in Mathematics Education Research Vol 2, No 2 (2019)
Publisher : SAINTIS Publishing

The purpose of this study was to Determine the implications of the results of this study on learning mathematics. The research of data were Obtained from observations, interviews with traditional South Bengkulu cake sellers, and interviews with mathematics teachers. The results Showed that various research activities Showed that the elements of mathematics in cultured activities could be implicated in mathematics learning items, namely looking for Certain patterns to Determine the elements in the circle and activities by using cultured Contexts students could find concepts in finding the circle area circle. Students' activities in finding concepts can develop critical and creative thinking and can improve the character of love in the local culture. So that teaching materials using cultural Contexts can be practiced and developed in mathematics learning in junior high schools (SMP) in the 2013 curriculum. This study produces a mathematical syntax with ethnomatematics learning approach.

Studi Tentang Konsep-Konsep Transformasi Geometri Pada Kain Besurek Bengkulu Dwi Yanti; Saleh Haji
JNPM (Jurnal Nasional Pendidikan Matematika) Vol 3, No 2 (2019): EDISI SEPTEMBER
Publisher : Universitas Swadaya Gunung Djati

Indonesia adalah Negara kepulauan dan memiliki banyak hasil kerajinan tangan yang merupakan budaya bangsa, antara lain kain Besurek dari Provinsi Bengkulu. Kain besurekÂ iniÂ mengandung pengertian bersurat atau bertulisan. Kain batik besurek merupakan budaya Bengkulu yang perlu dilestarikan dan memuat berbagai nilai kehidupan. Penelitian ini bertujuan untuk mengidentifikasi konsep-konsep transformasi geometri di kain besurek Bengkulu. Untuk mencapai tujuan tersebut digunakan pendekatan etnomatematika-kualitatif. Data diperoleh melalui melalui instrumen dokumen, pustaka, dan peneliti sendiri. Data dianalisis secara kualitatif dengan menggunakan triangulasi. Hasil dari Penelitian menunjukan bahwa pada kain besurek Bengkulu memiliki konsep-konsep transformasi geometri yaitu 1) refleksi, 2) translasi, 3) rotasi, dan 4) dilatasi.Â Kata Kunci: Etnomatematika, kain besurek, transformasi geometri

Analisis Perbedaan Tahapan Berpikir Geometri Ditinjau dari Pemahaman Konsep Geometri dan Evaluasi Formatif pada siswa SMP Zamzaili Zamzaili; Baki Swita; Saleh Haji
Absis: Mathematics Education Journal Vol 5, No 2 (2023): MEI 2023
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v5i1.3683

The purpose of this study was to determine the effect of different stages of geometric thinking in terms of understanding the concept of geometry and formative evaluation. The sampling technique used in this study was simple random sampling, so that a sample of 90 students. The research instrument is a test of the ability to understand geometric concepts, a geometric thinking level test and formative evaluation. The panelist test was carried out using the Aiken and Hoyt formula to determine the validity and consistency of the instrument, while the test was to determine the difficulty index, discriminating power, validity and reliability of the instrument. The data analysis technique used discriminant analysis. The results showed that (1) understanding of geometric concepts significantly affected the differences in students' geometric thinking level achievement, (2) formative evaluation significantly influenced students' geometric thinking level achievement differences, (3) discriminant function equation D = -11.743 + 0.0034X1 + 0.125 X2 to predict the achievement of geometric thinking level, (4) The percentage accuracy of the discriminant function equation in predicting the difference in the achievement of students' thinking level is 98.9%.

PENGARUH MATHEMATICS PHOBIA, ADVERSITY QUOTIENT, LOCUS OF CONTROL TERHADAP LITERASI MATEMATIKA PADA SISWA SEKOLAH MENENGAH Muhammad Yogi Ramadhan; Saleh Haji; Hari Sumardi
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i1.309

This study aims to analyze the effect of math phobia, locus of control, and adversity quotient on the mathematical literacy skills of junior high school students. This type of research is ex post facto research in the form of correlation. The population in this study were all class VII students of SMPQ Darul Maarif and SMP IT Hidayatul Falah Rejang Lebong. The sampling technique used random simple sampling in which 47 students were selected at SMPQ Darul Maarif and 50 students at SMP IT Hidayatul Falah Rejang Lebong. The collection was carried out using a mathematics phobia, locus of control, and adversity quotient questionnaire and test sheets for students' mathematical literacy abilities. Research data were analyzed using path analysis techniques (path analysis). Research shows that there is a significant positive effect both simultaneously and partially between math phobia, locus of control, and adversity quotient on mathematical literacy skills

PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KREATIF DAN SELF- EFFICACY PADA MATERI TRIGONOMETRI SMA Yana Royana; Hanifah Hanifah; Zamzaili Zamzaili; Saleh Haji
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 2 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i2.316

The purpose of this study was to determine the effect of the problem-based learning (PBL) model on students' creative thinking abilities and self-efficacy. The type of research used is quasi-experimental. This research was conducted at senior high school Sukakarya Musi Rawas with a population of all class X students totaling 114 students. The sample was selected by simple random sampling technique with class X MIA 1 as the experimental class and class X MIA 3 as the control class with 30 students each. Data collection methods are observation, tests, interviews, and documentation. Data analysis used multivariate statistical tests analysis of variance. The results of the study show that: there is a significant effect of using the PBL model on students' creative thinking abilities. There is a significant influence of students' Self-Efficacy abilities using the PBL model on students' mathematical problem-solving abilities

MENINGKATKAN PEMAHAMAN MATERI OPERASI BILANGAN BAGI GURU-GURU MELALUI PELATIHAN Yumiati Yumiati; Saleh Haji
JMM (Jurnal Masyarakat Mandiri) Vol 7, No 5 (2023): Oktober
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v7i5.16696

Abstrak: Sebagai salah satu penentu keberhasilan siswa dalam memahami operasi bilangan, guru harus memahami operasi bilangan dengan baik, sehingga tidak terjadi kesalahan konsep pada saat mengajar. Program pengabdian kepada masyarakat (PkM) ini bertujuan untuk memperkuat pemahaman materi operasi bilangan guru-guru di Kota Bengkulu. Metode yang digunakan adalah pelatihan. Materi yang diberikan dalam pelatihan terdiri dari akar pangkat 3, perkalian dan pembagian bilangan bulat. Peserta pelatihan adalah guru-guru SDN 20 dan SDN 60 sebanyak 25 orang. Evaluasi kegiatan PkM menggunakan tes dan pengisian angket. Tes untuk melihat keberhasilan kegiatan terhadap peningkatan pemahaman guru pada materi operasi bilangan. Angket untuk melihat respon guru terhadap kegiatan. Hasil evaluasi menunjukkan adanya peningkatan pemahaman guru tentang akar pangkat 3, serta perkalian dan pembagian bilangan bulat. Peningkatan pemahaman guru terbesar pada materi akar pangkat 3 sebesar 0,8 berada pada kategori tinggi. Sementara itu, peningkatan pemahaman materi lainnya berada pada kategori sedang. Penilaian peserta terhadap pelaksanaan kegiatan PkM sangat baik, dengan skor di atas empat pada skala 5.Abstract: As one of the determinants of student success in understanding number operations, the teacher must understand number operations well so there are no conceptual errors when teaching. This community service program aims to strengthen the understanding of number operations material for teachers in Bengkulu City. The method used is training. The material provided in the training consists of square roots, multiplication, and division of integers. The training participants were 25 teachers at SDN 20 and SDN 60. Evaluation of community service activities using tests and filling out questionnaires. Test to see the activity's success in increasing the teacher's understanding of the number operations material. Questionnaire to see the teacher's response to the activity. The evaluation results showed an increase in teachers' understanding of cube roots and multiplication and division of integers. The greatest increase in teacher understanding of root material at the 3rd power of 0.8 is in the high category. Meanwhile, the increased understanding of other material is in the moderate category. Participants' evaluation of the implementation of community service activities was very good, with a score above four on a scale 5.

Co-Authors ., Yumiati Abdulhamid Hamza Abdurrobbil Falaq Dwi Anggoro Agung Setia Budi Agus Susanta Agus Susanta Agustinsa, Ringki Aliya Monika Br Ginting Amelia Sari Anak Agung Istri Sri Wiadnyani Annisa Al Karimah Antasari, Melisa Aqiela Mardhatillah Astria, Ririn Audaya, Robiatul Badeni Badeni, Badeni Baki Swita Baki Swita Bella Trinofita Berta Panduwinata Bonyah, Ebenezer Br Ginting, Aliya Monika Clara Ade Utami Detty Syefriyani Dewi Herawaty Dian Oktari Dita Yustika Septiyani Diya'uddeen Basheer Hasan Dodi Isran Dona Eka Safitriyanti Dwi Putri, Geza Dwi Yanti Dwi Yanti Eka Yulitasari Elsa Putri Gusvarini Elsa Putri Gusvarini Etika Prameswari Fashali, Agju Jihan Indri Fatrima Santri Syafri, Fatrima Santri Febrila, Lilia Gina Ginta Octizasari Gusvarini, Elsa Putri Gyzka Veliesa Hafizatul Ardy Hanifah Hanifah hanifah hanifah Hanifah Hanifah Hardini Agustika Harry Dwi Putra, Harry Dwi Hudiria, Inda Ilham Abdullah Ilham Abdullah Ilham Abdullah, Ilham Inda Hudiria Juliani, Linda Yeka Keke Berlinda M Ilham Abdullah M Ilham Abdullah Marliani, Depi Melisa Antasari Mestika Sekarwinahyu Mestika Sekarwinahyu Muhammad Yogi Ramadhan Mulyani, Arie Nesta, Ridho Agio Nirwana Nirwana Nirwana Nirwana Nopriza Rahmawati Novianita, Lizza Novita Tanti Nugraha, Arief Nugroho, Khathibul Umam Z Nurcahyati, Sari Azni Nurliyan Hidayati, Latifa Octizasari, Ginta Octizasari, Ginta Putra, Syalendra Putri, Cindy Samya Rahmi Maiyunda Sari Ramadhani, Muhammad Raudya Tuzzahra Ridwanul Fata Rina Meilani Rina Meilani, Rina Ririn Astria Riyani, Rizki Rizki Riyani Robiatul Audaya Rodríguez-Nieto, Camilo Andrés Sri Hartati Sri Hartati Sri Hartati Sri Mulianti Sudirman Sudirman Suharto Suharto Sumardi, Hari Susanta, Agus Syafdi Maizora Syefriyani Detty Trihasari, Shelly Virgiano, M. Andre Wahyu Widada Wahyu Widada Wanti Asmara Widya Paramita Sari Wijaya, Tommy Tanu Yana Royana Yensy B, Nurul Astuty Yetti Widiarti Yori Yupiter Juliansyah Yuliani Nasution Yulitasari, Eka Yumiati Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili Zamzaili, Zamzaili Zamzaili, Zamzaili

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