MES: Journal of Mathematics Education and Science
MES (Journal of Mathematics Education and Science) diterbitkan secara berkala pada bulan April dan Oktober oleh Program Studi Pendidikan Matematika FKIP Universitas Islam Sumatera Utara. Jurnal ini membahas tentang kajian dibidang pendidikan matematika, pembelajaran matematika berbasis ICT dan matematika terapan.
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<![CDATA[IMPLEMENTASI LESSON STUDY DALAM PENGENALAN LAPANGAN PENDIDIKAN UNTUK MENINGKATKAN KUALITAS PEMBELAJARAN MATEMATIKA KELAS XI ]]>
<![CDATA[Maheswari, Sasikirana Zahra]]>;
<![CDATA[Suparni, Suparni]]>;
<![CDATA[Mabruroh, Siti]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.10295
<![CDATA[Lesson Study adalah kolaborasi berkelanjutan oleh pendidik untuk meningkatkan kualitas pembelajaran. Penelitian ini bertujuan meningkatkan pembelajaran matematika melalui penerapan lesson study dalam program Pengenalan Lapangan Pendidikan (PLP). Penelitian dilakukan secara kualitatif dengan melibatkan 5 peserta didik kelas XI SMA Muhammadiyah 6 Yogyakarta tahun ajaran 2024/2025, guru pamong, dan teman sejawat selama dua siklus. Setiap siklus meliputi tahapan plan (perencanaan), do (pelaksanaan), dan see (refleksi). Teknik pengumpulan data melalui observasi dan dokumentasi. Instrumen yang digunakan adalah lembar observasi untuk guru pamong dan teman PLP. Pada siklus pertama, model Student Team Achievement Division (STAD) diterapkan dengan media Lembar Kerja Peserta Didik (LKPD), namun keterlibatan peserta didik masih rendah. Refleksi siklus pertama menghasilkan perbaikan pada siklus kedua, yakni penerapan model discovery learning menggunakan LKPD individu dan aplikasi quizizz. Hasil penelitian menunjukkan peningkatan kualitas pembelajaran. Hal ini terlihat dari antusiasme, partisipasi aktif, dan pemahaman peserta didik yang dibuktikan dengan meningkatnya nilai rata-rata mereka dibandingkan siklus pertama. Media interaktif seperti quizizz juga meningkatkan motivasi belajar sekaligus memanfaatkan perangkat secara positif. Secara keseluruhan, refleksi dan evaluasi berkelanjutan menjadi kunci perbaikan kualitas pembelajaran. Pendidik perlu terus mengembangkan metode dan media yang relevan agar tercipta suasana belajar yang efektif dan menyenangkan.]]>
<![CDATA[OPTIMISASI KEUNTUNGAN PRODUKSI NUGGET BEKU MENGGUNAKAN PROGRAM LINIER ]]>
<![CDATA[Sari, Rina Filia]]>;
<![CDATA[Afnaria, Afnaria]]>;
<![CDATA[Suhaimi, Syech]]>;
<![CDATA[Hasibuan, Hani Maulida]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.11318
<![CDATA[This study aims to determine an optimal production strategy to maximize profit at “Umar Frozen Food” in Hasahatan Julu Village. The research focuses on two types of chicken nuggets: long and flat shapes, considering limited raw materials and production time. The research method applied is linear programming using the simplex method. Data were collected through observation, interviews, and documentation of the production process. The results indicate that the maximum daily profit of Rp10.640,00 is achieved by producing only 2.8 units of flat chicken nuggets and none of the long type. In conclusion, the simplex method effectively aids small businesses in making efficient production decisions and maximizing profit under resource constraints. ]]>
<![CDATA[METODE STRUCTURAL EQUATION MODELLING (SEM) UNTUK MENENTUKAN KELAYAKAN PENERIMA PROGRAM KELUARGA HARAPAN (PKH) KECAMATAN MEDAN BARAT ]]>
<![CDATA[Wogisfry, Darma]]>;
<![CDATA[Pane, Rahmawati]]>;
<![CDATA[Rosmaini, Elly]]>;
<![CDATA[Syahmarani, Aghni]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.10257
<![CDATA[Structural Equation Modeling (SEM) is a statistical analysis method used to test the relationship between variables in a model. SEM can be used as a statistical technique that takes into account latent and manifest variables, so in this study the SEM method was used to determine the eligibility of PKH recipients in West Medan District. Poverty has become a serious problem that is increasingly being faced by several countries in the world, including Indonesia. The Indonesian government has implemented many programs to overcome poverty, one of which is the Family Hope Program (PKH). Based on the research results, it is known that there is a direct negative relationship (indicating that an increase in one variable tends to decrease another variable), namely the family economic variable on the eligibility of recipients of the Family Hope Program]]>
<![CDATA[PENGARUH PROBLEM BASED LEARNING DAN DISPOSISI MATEMATIS TERHADAP PEMAHAMAN KONSEP MATEMATIKA ]]>
<![CDATA[Anggraini, Dewita]]>;
<![CDATA[Sumardi, Hari]]>;
<![CDATA[Hanifah, Hanifah]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.11155
<![CDATA[Penelitian ini bertujuan untuk mengetahui pengaruh model PBL dan disposisi matematis terhadap pemahaman konsep matematika. Jenis penelitian yang digunakan adalah eksperimen semu. Dalam penelitian ini, dua kelas sampel diterapkan, yaitu kelas eksperimen yang menggunakan model problem based learning dan kelas kontrol yang menggunakan pembelajaran konvensional. Desain penelitian yang digunakan adalah Faktorial Eksperimental. Teknik pengumpulan data yang digunakan mencakup tes (soal uraian) dan non-tes (angket disposisi matematis). Untuk analisis data, digunakan teknik ANOVA Dua Jalan (Two-way ANOVA). Hasil dari penelitian ini adalah 1) Terdapat perbedaan kemampuan pemahaman konsep matematika peserta didik yang belajar menggunakan model problem based learning dengan peserta didik yang belajar menggunakan model pembelajaran konvensional. 2) Terdapat perbedaan kemampuan pemahaman konsep matematika peserta didik antara peserta didik yang memiliki disposisi tinggi dengan peserta didik disposisi rendah. 3) Terdapat interaksi antara Model Problem Based Learning dan Disposisi Matematis terhadap Pemahaman Konsep Matematika]]>
<![CDATA[ANALISIS PERBEDAAN INDEKS PRESTASI KUMULATIF MAHASISWA PENDIDIKAN MATEMATIKA BERDASARKAN TIPE KEPRIBADIAN EKSTROVERT DAN INTROVERT ]]>
<![CDATA[Damanik, Yana Tasya]]>;
<![CDATA[Irvan, Irvan]]>;
<![CDATA[Gultom, Johannes]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.10513
<![CDATA[This research is a quantitative research employing an ex post facto approach aimed at examining the differences in Grade Point Average (GPA) of mathematics education students based on extrovert and introvert personality types. Data collection was conducted online using a validated personality questionnaire consisting of 20 items, distributed via the Google Form platform. The research sample comprised 28 students, including 14 extroverted and 14 introverted individuals. Data analysis involved a normality test using the Kolmogorov-Smirnov test and a hypothesis test using the Independent Samples t-test. The results showed that there was no significant difference in the GPA of mathematics education students between extrovert and introvert personality types. Therefore, personality type does not significantly influence students' academic achievement in terms of GPA within this context.]]>
<![CDATA[UPAYA MENINGKATKAN MOTIVASI BELAJAR MATEMATIKA SISWA KELAS VII B SMPN 14 DENPASAR MELALUI PENERAPAN MODEL PEMBELAJARAN PBL ]]>
<![CDATA[Sirait, Anestasya]]>;
<![CDATA[Noviyanti, Putu Ledyari]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.11173
<![CDATA[Low learning motivation is one of the main obstacles in mathematics education, particularly due to the abstract nature of the subject, which often causes students to become passive and less enthusiastic. This study aims to improve students’ motivation in learning mathematics through the implementation of the Problem-Based Learning (PBL) model among seventh-grade students at SMP Negeri 14 Denpasar. The research employed a classroom action research (CAR) approach, conducted over two learning cycles. The study involved 41 students as participants. Data were collected through observations and learning motivation questionnaires. The results showed an increase in students’ learning motivation from an initial 38% to 70% in the first cycle and 91% in the second cycle. This improvement indicates that the application of the PBL model significantly enhances students’ active participation and enthusiasm in learning mathematics. Therefore, PBL can be considered an effective instructional strategy to address low learning motivation in mathematics among junior high school students.]]>
<![CDATA[PEMODELAN PERSAMAAN STRUKTURAL DAN ANALISIS JALUR TERHADAP PRESTASI AKADEMIK MAHASISWA ]]>
<![CDATA[Sihotang, Siti Fatimah]]>;
<![CDATA[Zuhri, Zuhri]]>;
<![CDATA[Mazaly, Muhammad Rizky]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.11165
<![CDATA[Pada era globalisasi saat ini, perubahan yang sangat pesat dialami oleh tatanan kehidupan masyarakat. Masyarakat dihadapkan pada perkembangan Ilmu Pengetahuan dan Teknologi (IPTEK) yang begitu pesat kemajuannya. Saat ini juga sudah sangat banyak dilakukan pseembaharuan teknologi di tengah-tengah kehidupan masyarakat di berbagai bidang kehidupan. Sebagai contoh di bidang Pendidikan, masyarakat yang langsung menggunakan dan memanfaatkannya ialah para pendidik dan para mahasiswa, tepatnya pada bidang ilmu Matematika. Harapan besar pun muncul dari semakin berkembangnya teknologi di bidang pendidikan ini, yakni menjadikan proses pembelajaran menjadi lebih mudah dipahami dan dapat diinterpretasikan langsung dalam kehidupan sehari - hari. Tentunya hal tersebut diharapkan dapat meningkatkan motivasi belajar mahasiswa sehingga berpengaruh langsung terhadap kemajuan prestasi akademik mahasiswa. Namun, fakta di lapangan masih banyak ditemukan mahasiswa yang masih belum mau aktif ataupun antusias untuk memanfaatkan penggunaan teknologi tersebut sehingga menyebabkan proses pembelajaran yang dilakukan di kelas terasa sulit dan membosankan. Oleh karena itu, peneliti tertarik untuk melakukan penelitian yang bertujuan untuk menganalisis hubungan antara kemajuan teknologi terhadap motivasi belajar dan prestasi akademik mahasiswa. Penggunaan pemodelan persamaan struktural dengan analisis datanya menggunakan analisis jalur ialah metode analisis data yang digunakan. Setelah dilakukan pengolahan data statistik menggunakan Software STATCAL, diketahui hasil penelitian berupa nilai koefisien determinasi sebesar 0,824. Nilai tersebut menyatakan bahwa kemajuan teknologi dan motivasi belajar memiliki hubungan yang positif dan signifikan secara kausal terhadap prestasi akademik mahasiswa.]]>
<![CDATA[ANALISIS VALIDITAS, RELIABILITAS, INDEKS KESUKARAN DAN DAYA PEMBEDA INSTRUMEN TES KEMAMPUAN NUMERASI BERBASIS ETNOMATEMATIKA ]]>
<![CDATA[Simamora, Yumira Mira]]>;
<![CDATA[Simamora, Minta Ito]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.11389
<![CDATA[This research is part of an experimental study using Problem Based Learning model to improve junior high school students' mathematical numeracy skills based on ethnomathematics. The purpose of this study is to determine the level of Validity, Reliability, Difficulty Index, and Discriminatory Power of the ethnomathematics-based numeracy ability test instrument for junior high school students. The instrument used was in the form of essay test questions from pretest and posttest questions. The calculation of validity, reliability, difficulty index, and discriminatory power used IBM SPSS Statistics 20. The results of this study showed that the pretest and posttest questions were valid with sig (2-tailed) values 0.05. The calculation results of the pretest questions showed that the essay question instrument fell into the reliable category, because the calculation result obtained was 0.690, making it suitable for use as an instrument for data collection. The difficulty level of pretest and posttest questions fell into the easy and moderate categories. The discriminatory power criteria of the questions were moderate and good. Based on these research results, the ethnomathematics-based student numeracy ability test instrument is suitable for use.]]>
<![CDATA[ANALISIS MANAJEMEN SARANA DAN PRASARANA DI SMP PANCA BUDI MEDAN ]]>
<![CDATA[Malay, Irvan]]>;
<![CDATA[Sitorus, Indra Benny]]>;
<![CDATA[Zain, M. Rafli]]>;
<![CDATA[Serly, Serly]]>;
<![CDATA[Sugianto, Sugianto]]>;
<![CDATA[Pohan, Syahrial Hasanuddin]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.11244
<![CDATA[Inadequate infrastructure and facilities can have a detrimental effect on teacher effectiveness and student learning motivation. Therefore, schools need to have a structured and sustainable facilities and infrastructure management system. In this case, the school should continuously analyse the facilities and infrastructure management system that has been implemented at SMP Panca Budi Medan and identify areas that need improvement. In this research, the author uses Qualitative Research Method by using observation approach and conducting direct interview with the Principal to find out information about facilities and infrastructure in SMP Panca Budi.The instrument used in this research is using observation sheet which consists of four aspects, namely: Based on the results of observations carried out at SMP Panca Budi Medan, there are several things that can be concluded, namely: the availability of facilities and infrastructure in the school is complete; the condition of the available facilities is good after comparing the availability and ideal needs; the condition of the available infrastructure is good, although there is one aspect that needs to be added, namely toilets; and that SMP Panca Budi Medan already has inventory documents and long-term development planning so that it will facilitate school development.]]>
<![CDATA[EKSPLORASI GAYA BELAJAR MAHASISWA PENDIDIKAN MATEMATIKA FKIP UNIVERSITAS NIAS DALAM MENYELESAIKAN TUGAS BERBASIS PROYEK ]]>
<![CDATA[Lase, Sadiana]]>
<![CDATA[ MES: Journal of Mathematics Education and Science Vol 10, No 2 (2025): Edisi April ]]>
Publisher : <![CDATA[Universitas Islam Sumatera Utara ]]>
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DOI: 10.30743/mes.v10i2.11243
<![CDATA[This study aims to explore the learning styles of Mathematics Education students of the Faculty of Teacher Training and Education, Nias University in completing project-based assignments. The background of this study is based on the fact that each student has a different learning style tendency, which has a direct impact on the strategy and results of completing assignments. This study uses a qualitative approach with a case study method. The subjects of the study consisted of seven active students who were selected purposively based on their involvement in lecture project assignments. Data collection techniques include in-depth interviews, observation, and documentation. The results of the study indicate that students have a tendency towards three main learning styles, namely visual, auditory, and kinesthetic. Students with a visual style prefer the presentation of information graphically and systematically. Auditory students tend to understand the material through discussion and verbal explanation, while kinesthetic students are more active in assignments that involve direct practice. These variations in learning styles affect the way students plan, work on, and complete project assignments. It was also found that group work is more effective when each member has a complementary learning style. This study concludes that understanding students' learning styles is important for lecturers to consider in designing project-based assignments. With the right approach, the learning process will be more inclusive and meaningful for each individual.]]>
