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All Journal Jurnal Infinity Jurnal Pendidikan Matematika Raflesia Jurnal Padegogik Journal of Research in Mathematics Trends and Technology Jurnal Math-UMB.EDU Jurnal Didactical Mathematics Jurnal Infinity
Saleh Haji
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Humanities Decision Sciences, Operations Research & Management Education Mathematics Social Sciences Other

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PENGARUH KEPERCAYAAN DIRI DAN GAYA BELAJAR TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA SMA Yulia Rahmah Anggraeni; Saleh Haji; Zamzaili
Jurnal Math-UMB.EDU Vol. 11 No. 1 (2023): NOVEMBER
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/mathumbedu.v11i1.5229

Abstract

Keterampilan siswa memecahkan masalah dalam pembelajaran matematika masih rendah terutama pada pembelajaran di sekolah menengah atas. Sehingga, pembelajaran matematika harus difokuskan untuk meningkatkan kemampuan berpikir siswa dan kepercayaan diri. Pengaruh gaya belajar dan kepercayaan diri terhadap kemampuan pemecahan masalah siswa dipelajari dalam penelitian ini. Jenis Penelitian ex-postacto ini bersifat korelasional dan menggunakan metode analisis jalur. Penelitian ini melibatkan semua siswa kelas XI IPA SMA Negeri 7 Kota Bengkulu, yang berjumlah 251 orang. Metode sampel acak sederhana digunakan untuk memilihkan sampel dari populasi, yang terdiri dari 108 orang. Hasil penelitian menunjukkan bahwa kepercayaan diri siswa dan gaya belajar mereka memengaruhi kemampuan mereka untuk memecahkan masalah matematika. Kata Kunci: Gaya belajar siswa, kepercayaan diri, pemecahan masalah
MENINGKATKAN HASIL BELAJAR DAN DISPOSISI MATEMATIS SISWA MELALUI MODEL PROBLEM BASED LEARNING Br Ginting, Aliya Monika; Saleh Haji
Jurnal Padegogik Vol 7 No 2 (2024): Jurnal Padegogik, Juli 2024
Publisher : LPPM Universitas Advent Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35974/jpd.v7i2.3297

Abstract

The aim of this research is to improve students' mathematical disposition abilities and learning outcomes through the Problem Based Learning (PBL) model in algebra form material in Class VII of SMP Negeri 29 Rejang Lebong. This research is Classroom Action Research (PTK) with 4 stages, namely 1) Planning, 2) Implementation, 2) Observation, and 4) Reflection. Data collection was carried out through tests on learning outcomes of algebra material and student mathematical disposition questionnaires. Data were analyzed using qualitative analysis. The subjects of this research consisted of 24 class VII students of SMP Negeri 29 Rejang Lebong in the odd semester of the 2023/2024 academic year. Research findings show that the use of the Problem Based Learning (PBL) model can improve students' mathematical disposition abilities and mathematics learning outcomes. The increase in mathematics learning outcomes was 42% in the first cycle and in the second cycle it reached 83%. The increase in students' mathematical disposition indicators increased by 73% for self-confidence, 64% for flexibility, 91% for perseverance, 75% for interest and curiosity, and 71% for reflection, all of which were included in the good criteria in the first cycle. In the second cycle, the scores increased to 79% for self-confidence, 70% for flexibility, 95% for persistence, 80% for interest and curiosity, and 76% for reflection, which showed excellent criteria. Keywords: Learning Outcomes, Mathematical Disposition Ability, Problem Based Learning.
PENINGKATAN KEMAMPUAN KOMUNIKASI MATEMATIK MELALUI PEMBELAJARAN MATEMATIKA REALISTIK Saleh Haji; M Ilham Abdullah
Jurnal Infinity Vol 5 No 1 (2016): Jurnal Infinity Vol 5 No 1 Februari 2016
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v5i1.p42-49

Abstract

Tujuan penelitian ini adalah untuk mengetahui pencapaian dan peningkatan kemampuan komunikasi matematik siswa Sekolah Menengah Pertama Kota Bengkulu melalui Pembelajaran Matematika Realistik. Metode penelitian yang digunakan adalah kuasi eksperimen dengan non-equivalent control group design. Hasil penelitian sebagai berikut. Pembelajaran Matematika Realistik lebih efektif dalam pencapaian dan peningkatan kemampuan komunikasi matematik siswa dibandingkan pembelajaran konvensional. Besarnya pencapaian kemampuan komunikasi matematik siswa yang diajar melalui pembelajaran matematika realistik adalah 63,96 dan pembelajaran konvensional adalah 47,46. Sementara itu, besarnya peningkatan kemampuan komunikasi matematik siswa yang diajar melalui pembelajaran matematika realistik adalah 0,51 dan pembelajaran konvensional 0,24.  The purpose of this study is to determine the achievement and improvement of students’ mathematical communication ability in Bengkulu City Junior High School  through realistic mathematics learning. The method used is a quasi-experimental non-equivalent control group design. The results of this study as follows. The realistic mathematics learning is more effective in the achievement and improvement of students’ mathematical communication ability than conventional learning. The magnitude of the achievement of students’ mathematical communication ability in realistic mathematics learning is 63,96 and conventional learning is 47,46. Meanwhile, the magnitude of the improvement of students’ mathematical communication ability is realistic mathematics learning is 0,51  and conventional learning is 0,24
NCTM’s Principles and Standards for Developing Conceptual Understanding in Mathematics Saleh Haji; Yumiati
Journal of Research in Mathematics Trends and Technology Vol. 1 No. 2 (2019): Journal of Research in Mathematics Trends and Technology (JoRMTT)
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jormtt.v1i2.2836

Abstract

The purpose of this study is to develop understanding of concepts in mathematics through the application of the NCTM's Principles and Standards. This research method is descriptive. The results obtained are understanding concepts in mathematics can be developed through the application of NCTM Principles and Standards consisting of 6 principles, namely: 1. Equity, 2. Curriculum, 3. Teaching, 4. Learning, 5. Assessment, and Technology. Understanding concepts in mathematics that can be developed are: a. defining concepts verbally and in writing, b. Make examples and not examples, c. Using various symbols to present a concept, d. Change the form of representation to various forms, e. Identifying the characteristics of a concept, f. compare various concepts, and g. interpret concepts.
Co-Authors Afrida Afrida Anggreni, Dessy Br Ginting, Aliya Monika Connie Connie Erny Erny Gustia Putri Lestari Lizza Novianita M Ilham Abdullah Reni Iriyanti Sasmita Mutiara Susi Afriyeni Wahyu Widada Yulia Rahmah Anggraeni Yumiati Zamzaili Zamzaili Zamzaili