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Analysis of Mathematical Problem-Solving Abilities in Sequences and Series of Grade XI Students at SMAN 1 Sakra Viewed from a Gender Perspective in the Academic Year 2023/2024 Sapitri, Evi; Nani Kurniati; Ulfa Lu'luilmaknun; Nyoman Sridana
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 5 No. 3 (2024): Agustus
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v5i3.429

This research aims to describe the mathematical problem-solving abilities related to sequences and series among XI grade students at SMAN 1 Sakra, considering gender differences. The research follows a qualitative descriptive approach, utilizing interview-based test questions as instruments. These questions will be analyzed based on Polya’s problem-solving indicators. From a total of 70 students, six were selected—three male and three female students—to represent different levels of mathematical problem-solving abilities: high, moderate, and low. The findings reveal that high-ability male students understand problems, plan and execute solutions (though with operational errors), and perform checks without writing conclusions. Moderate-ability male students partially meet the problem-solving criteria. Low-ability male students do not meet all the indicators. Among high-ability female students, understanding, planning, execution, and checking occur, but conclusions are missing. Moderate-ability female students also fall short in completeness and checking indicators. Low-ability female students only meet the understanding phase.

Pengaruh Model Pembelajaran Kooperatif Tipe Teams Games Tournaments (TGT) Pada Materi Bilangan Berpangkat Terhadap Hasil Belajar Siswa Kelas VIII Smpn 8 Mataram Tahun Pelajaran 2024/2025 Kuraini, Nadia; Sripatmi; Ulfa Lu'luilmaknun; Harry Soeprianto
Mandalika Mathematics and Educations Journal Vol 6 No 2 (2024): Edisi Desember
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar

Penelitian ini bertujuan untuk mengetahui pengaruh penerapan model kooperatif Tipe Teams Games Tournaments (TGT) pada pembelajaran bilangan berpangkat terhadap hasil belajar siswa kelas VIII SMPN 8 Mataram tahun pelajaran 2024/2025. Metode penelitian yang digunakan adalah quasi eksperimental design dengan posttest-only control design. Populasi penelitian siswa kelas VIII SMPN 8 Mataram, sampel penelitian kelas VIIIA sebagai kelas eksperimen dan VIIIB sebagai kelas kontrol yang diperoleh menggunakan teknik purposive sampling. Teknik pengumpulan data menggunakan observasi dan tes. Berdasarkan hasil penelitian: 1) hasil uji t menunjukkan bahwa t_hitung>t_tabel, artinya H_a diterima dan H_0 ditolak, maka terdapat perbedaan rata-rata hasil belajar siswa antara kelas eksperimen dan kelas kontrol, 2) hasil uji effect size diperoleh 1,03547 yang termasuk dalam kategori efek besar, 3) rata-rata nilai kelas eksperimen 72,64 dan kontrol 61,11, artinya rata-rata nilai kelas eksperimen lebih tinggi dibandingkan rata-rata nilai kelas kontrol. Dengan demikian, dapat disimpulkan bahwa terdapat pengaruh yang signifikan penerapan model kooperatif Tipe Teams Games Tournaments (TGT) pada pembelajaran bilangan berpangkat terhadap hasil belajar siswa kelas VIII SMPN 8 Mataram tahun pelajaran 2024/2025.

PENGARUH MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN LIVEWORKSHEET TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA Putri Surya; Arjudin; Ulfa Lu'luilmaknun; Nurul Hikmah
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 01 (2025): Volume 10 No. 01 Maret 2025 In Process
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i01.23718

This research aims to determine the effect of the Problem Based Learning (PBL) model assisted by liveworksheet on the mathematical problem solving ability of class VIII students of SMP Negeri 19 Mataram in the 2024/2025 school year and describe the application of the PBL model on liveworksheet. This study used a quasi-experimental method with a posttest only control design. Based on the results of the t-test calculation using SPSS with a significance level of 5%, the sig value was obtained. = 0.045 which indicates that the sig value. ≤ 0.05 from these results, there is a significant difference between the average value of students problem solving ability using the PBL model assisted by liveworksheet and the class using direct learning, where the average experimental class is superior to the control class. Thus, it can be concluded that PBL assisted by liveworksheet has an effect on students mathematical problem solving skills with a large difference in the moderate category.

Pendampingan Persiapan Kompetisi Matematika bagi Siswa SDN 7 Mataram Intan Kertiyani, Ni Made; Tabita Wahyu Triutami; Nourma Pramestie Wulandari; Ulfa Lu'luilmaknun; Nilza Humaira Salsabila
Rengganis Jurnal Pengabdian Masyarakat Vol. 5 No. 1 (2025): Mei 2025
Publisher : Pendidikan Matematika, FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rengganis.v5i1.629

Elementary school students possess diverse talents and interests, one of which includes an aptitude and enthusiasm for mathematics. These students require appropriate activity to nurture and develop their potential. Mathematics competitions serve as an effective platform to channel students' interest in the subject. This community service program was conducted with the objective of providing academic support to students at SDN 7 Mataram in preparing for mathematics competitions. The program was implemented from February to March 2025, comprising a total of 16 sessions. The method of implementation involved intensive mentoring through the administration of non-routine Olympiad-level mathematical problems. The outcomes of the program indicate that students became increasingly adept at tackling non-routine problems. This was evidenced by a marked improvement in their performance over the evaluation test on the mentoring sessions. It is anticipated that this initiative will contribute positively to the development of students’ mathematical interests and also their readiness in competing in mathematics competition.

Pengaruh Berfikir Reflektif Dan Self Confidence Terhadap Kemampuan Pemecahan Masalah Matematis Peserta Didik Kelas VIII SMPN 9 Mataram Tahun Ajaran 2024/2025 Apriani, Amelia; Ketut Sarjana; Ulfa Lu'luilmaknun; Nani Kurniati
Mandalika Mathematics and Educations Journal Vol 7 No 2 (2025): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i2.9121

This study aims to determine the influence of reflective thinking and self-confidence on the mathematical problem-solving ability of grade VIII students of SMPN 9 Mataram for the 2024/2025 academic year. This research is a quantitative research with an ex-post facto (comparative causal) research method. The population of this study is 163 students in grade VIII of SMPN 9 Mataram for the 2024/2025 academic year. The sample used was 55 people who were determined using the cluster random sampling technique. The instrument in this study used a reflective thinking test in the form of description questions, self-confidence questionnaires and problem-solving ability tests in the form of description questions. The results of the study showed that there was a positive and significant relationship between reflective thinking and self confidence on the mathematical problem-solving ability of grade VIII students of SMPN 9 Mataram with a contribution of 49,9%. The results of this research are expected to be an input for teachers to develop learning that encourages students to think reflectively and build confidence in solving math problems. For students, it is important to continue to practice reflective thinking skills and increase self-confidence to support the achievement of optimal learning outcomes.

Efektivitas Model PBL Berbantuan E-LKPD Terhadap Hasil Belajar Matematika Peserta Didik SMP Negeri 2 Labuapi Arisma, Dinda Putri; Muhammad Turmuzi; Ulfa Lu'luilmaknun; Sri Subarinah
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.631

Penelitian ini bertujuan untuk mengetahui efektivitas model PBL berbantuan e-LKPD terhadap hasil belajar matematika peserta didik kelas VIII SMP Negeri 2 Labuapi Tahun Ajaran 2024/2025. Jenis penelitian yang digunakan adalah quasi experimental design dengan posttest only non-equivalent control group design. Populasi dalam penelitian ini adalah seluruh kelas VIII SMP Negeri 2 Labuapi dan sampelnya adalah peserta didik kelas VIII C sebagai kelas eksperimen dan peserta didik kelas VIII D sebagai kelas kontrol. Teknik pengambilan sampel menggunakan purposive sampling. Instrumen penelitian ini adalah lembar observasi dan lembar tes hasil belajar peserta didik (posttest) pada materi persamaan garis lurus yang sebelumnya sudah divalidasi oleh validator ahli sehingga dinyatakan valid untuk digunakan. Berdasarkan hasil analisis data tes hasil belajar matematika peserta didik, diperoleh rata-rata skor kelas eksperimen sebesar dengan skor tertinggi dan rata-rata skor kelas kontrol sebesar dengan skor tertinggi . Berdasarkan hasil uji-t diperoleh skor dan , karena skor maka ditolak. Jadi, dapat disimpulkan bahwa model PBL berbantuan e-LKPD efektif terhadap hasil belajar peserta didik kelas VIII SMP Negeri 2 Labuapi tahun ajaran 2024/2025.

Analisis Kemampuan Penalaran Matematis Siswa dalam Mengerjakan Soal Matematika Setara PISA Konten Bilangan Dina Auliya; Sudi Prayitno; Ulfa Lu'luilmaknun
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.757

Penelitian ini bertujuan untuk mendeskripsikan kemampuan penalaran matematis siswa dalam mengerjakan soal matematika setara PISA konten bilangan. Analisis kemampuan penalaran matematis dilakukan berdasarkan empat konteks soal matematika PISA, yaitu konteks pribadi, sosial, ilmiah, dan pekerjaan. Jenis penelitian ini adalah deskriptif kualitatif. Teknik pengambilan sampel dengan menggunakan purposive sampling dan didapatkan kelas VIII SMP Negeri 1 Lembar tahun ajaran 2024/2025 sebagai subjek penelitian. Pendalaman hasil penelitian dilakukan dengan memilih 6 siswa dari setiap kategori kemampuan penalaran matematis, yaitu 2 siswa mewakili kemampuan penalaran matematis tinggi, 2 sedang, dan 2 rendah. Teknik pengumpulan data dengan menggunakan tes soal matematika setara PISA dan wawancara. Teknik analisis data yaitu dengan reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian yang diperoleh: (i) siswa dengan kemampuan penalaran matematis tinggi mampu memenuhi keempat indikator penalaran matematis, (ii) siswa dengan kemampuan penalaran matematis sedang kurang dalam mengajukan dugaan, tetapi baik pada indikator lainnya, dan (iii) siswa dengan kemampuan rendah umumnya hanya mampu mengajukan dugaan, namun pada soal keempat mampu memenuhi tiga indikator penalaran matematis.

Pengaruh Model Problem Based Learning Berbasis Etnomatematika Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Kelas VIII Ardiana, Lailik; Baidowi, Baidowi; Ulfa Lu'luilmaknun
Mandalika Mathematics and Educations Journal Vol 7 No 3 (2025): Edisi September
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i3.9752

This study was motivated by the low mathematical problem-solving ability of students, which is attributed to the use of ineffective, teacher-centered learning models. One approach that can be applied to improve students’ mathematical problem-solving skills is the problem-based learning (PBL) model. This study aims to determine the effect of implementing an ethnomathematics-based problem-based learning model on students’ mathematical problem-solving ability. The research was conducted at SMP Negeri 14 Mataram in the 2024/2025 academic year using a quantitative approach with a quasi-experimental design. The population consisted of all eighth-grade students at SMP Negeri 14 Mataram. The research sample comprised 60 students, with 30 students in the experimental class and 30 in the control class, selected through simple random sampling. The data collection instrument was a mathematical problem-solving test. The average score of the experimental class was 77.70, which was higher than the control class’s average score of 71.40. The analysis results showed that . Furthermore, the effect size calculation yielded d = 0.69, indicating a moderate effect. These results show that the ethnomathematics-based problem-based learning model positively influences the mathematical problem-solving ability of eighth-grade students at SMP Negeri 14 Mataram, particularly in the topic of circles.

Analysis of Mathematical Problem-Solving Abilities in Sequences and Series of Grade XI Students at SMAN 1 Sakra Viewed from a Gender Perspective in the Academic Year 2023/2024 Sapitri, Evi; Nani Kurniati; Ulfa Lu'luilmaknun; Nyoman Sridana
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 5 No. 3 (2024): Agustus
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v5i3.429

This research aims to describe the mathematical problem-solving abilities related to sequences and series among XI grade students at SMAN 1 Sakra, considering gender differences. The research follows a qualitative descriptive approach, utilizing interview-based test questions as instruments. These questions will be analyzed based on Polyaâ€™s problem-solving indicators. From a total of 70 students, six were selectedâ€”three male and three female studentsâ€”to represent different levels of mathematical problem-solving abilities: high, moderate, and low. The findings reveal that high-ability male students understand problems, plan and execute solutions (though with operational errors), and perform checks without writing conclusions. Moderate-ability male students partially meet the problem-solving criteria. Low-ability male students do not meet all the indicators. Among high-ability female students, understanding, planning, execution, and checking occur, but conclusions are missing. Moderate-ability female students also fall short in completeness and checking indicators. Low-ability female students only meet the understanding phase.

Bringing Local Wisdom into Mathematics: Developing a Culturally-Based Problem Posing Assessment Kertiyani, Ni Made Intan; Ulfa Lu'luilmaknun; Tabita Wahyu Triutami; Nourma Pramestie Wulandari; Maria Evelin Totuloba
Mandalika Mathematics and Educations Journal Vol 7 No 4 (2025): Desember
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i4.10510

This study aims to develop a local culture-based problem-posing test on linear programming material for eleventh-grade high school students and determine the content validity of the developed test based on expert judgment. The study employed a Research and Development (R&D) approach using the Four-D (4D) model. The developed test was designed to measure students’ abilities in three types of problem-posing activities: pre-solution posing, within-solution posing, and post-solution posing, by integrating local cultural contexts such as economic and agricultural activities around the Sembalun area of Mount Rinjani. The validation was conducted by two mathematics education experts and one local culture expert. The results showed that the developed test achieved a high level of content validity with an average score of 3.75, categorized as very valid. Therefore, the local culture-based problem-posing test developed in this study is considered feasible and valid to be used in assessing students’ abilities to formulate, develop, and solve contextual mathematical problems.

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