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Jurnal Math-UMB.EDU
Published by Universitas Muhammadiyah Bengkulu
ISSN : 27154912     EISSN : 23392754     DOI : 10.36085
Core Subject : Education,
Mathematics
Jurnal MATH_UMB.EDU mempublikasikan artikel ilmiah hasil penelitian dan kajian dalam bidang matematika dan pendidikan matematika baik di SD, SMP, SMA, dan Perguruan Tinggi. Jurnal MATH-UMB.EDU diterbitkan oleh Program Studi Pendidikan Matematika Universitas Muhammadiyah Bengkulu sebanyak tiga kali penerbitan dalam setahun yaitu pada bulan Maret, Juli, dan November
Arjuna Subject : Umum - Umum
Articles 13 Documents
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Search results for , issue "Vol. 12 No. 3 (2025): JULY" : 13 Documents clear
COMMOGNITIVE PERSPECTIVE ON STUDENTS’ REASONING IN COMPARING MEASURES OF CENTRAL TENDENCY USING FREQUENCY POLYGONS Rahmatina, Desi; Pratiwi, Endityas; Adinda, Anita
Jurnal Math-UMB.EDU Vol. 12 No. 3 (2025): JULY
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/mathumbedu.v12i3.8639

Abstract

Measures of central tendency, such as the mean, median, and mode, are fundamental concepts in statistics that can be used to support decision-making. The purpose of this study is to describe how university students reason about measures of central tendency when comparing two age distributions of patients presented in the form of frequency polygons, from a commognitive perspective. This study employs a descriptive qualitative method with an exploratory approach. A total of 37 students participated in the study, four of whom were selected as research subjects—two representing the calculative category and two representing the visual-interpretative category. The research instruments consisted of one problem related to measures of central tendency and an interview guide. The problem included three questions, each presenting data in the form of frequency polygons. The data were thematically analyzed using Sfard’s commognitive framework, focusing on four components: word use, visual mediators, routines, and narratives. The findings reveal that students in the calculative category predominantly used visual mediators and routines. In contrast, students in the visual-interpretative category emphasized the use of word use to construct narratives. Keywords: commognitive, reasoning, measures of central tendency, frequency polygon
STRUCTURAL EQUATION MODELS: MATHEMATICAL REASONING ABILITIES AND GEOMETRIC PROBLEM-SOLVING ABILITIES Anggoro, Abdurrobbil Falaq Dwi; Wardono, Wardono; Mariani, Scolastika; Susilo, Bambang Eko; Hidayat, Riyan; Tommy Tanu Wijaya
Jurnal Math-UMB.EDU Vol. 12 No. 3 (2025): JULY
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/mathumbedu.v12i3.8659

Abstract

This study aims to test the compatibility of structural equation (SEM) models to determine the relationship between mathematical reasoning ability and geometry problem solving ability. Using an ex-post facto research design, this study took a random sample of 100 students from a total of 296 mathematics education student population at a university in Lubuklinggau. Data were collected through mathematical reasoning tests and geometry problem-solving tests, then analyzed using the Lisrel 8.8 and SPSS programs. The results of the analysis show a very significant path coefficient, which proves that mathematical reasoning ability has a positive direct relationship with geometry problem-solving ability. This means that an increase in reasoning skills will be followed by an increase in the ability to solve geometry problems. In conclusion, this study confirms the existence of a direct relationship between the two variables, where mathematical reasoning ability contributes 15.13% to the improvement of geometry problem-solving ability. Keywords: Ability, Mathematical reasoning, Geometric Problem Solving, SEM, Lisrel
PENERAPAN PEMBELAJARAN SAINS DALAM PENGEMBANGAN KEMAMPUAN MATEMATIKA ANAK USIA 5-6 TAHUN DI TKIT GENERASI RABBANI KOTA BENGKULU Eva Ria Indah Sari; Nopriyeni; Dwi Fatmi Hajar
Jurnal Math-UMB.EDU Vol. 12 No. 3 (2025): JULY
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/mathumbedu.v12i3.9539

Abstract

Penelitian ini bertujuan untuk mengkaji efektivitas penerapan pembelajaran sains dalam mengembangkan kemampuan matematika anak usia 5-6 tahun di TKIT Generasi Rabbani Kota Bengkulu. Pembelajaran sains digunakan sebagai pendekatan kreatif untuk mengenalkan konsep matematika dengan cara yang menyenangkan dan kontekstual. Penelitian ini menggunakan metode kualitatif dengan pendekatan studi kasus pada 15 anak. Teknik pengumpulan data dilakukan melalui observasi dan wawancara. Kegiatan pembelajaran melibatkan eksperimen sederhana seperti "Mengapung/Tenggelam," yang menggabungkan eksplorasi sains dan matematika, seperti pengelompokan dan perhitungan benda. Hasil penelitian menunjukkan bahwa anak-anak lebih antusias dan aktif selama kegiatan, sementara guru memberikan pendampingan dan pengetahuan baru. Kesimpulan penelitian ini menegaskan bahwa pembelajaran sains yang kreatif dan bermakna dapat meningkatkan kemampuan matematika, sekaligus mendukung perkembangan sensorik, motorik, dan sosial anak usia dini. Kata Kunci: Pembelajaran sains, Matematika, Anak Usia Dini

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