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All Journal Paradikma: Jurnal Pendidikan Matematika JTAM (Jurnal Teori dan Aplikasi Matematika) MATEMATIKA DAN PEMBELAJARAN Jurnal Pengabdian Magister Pendidikan IPA MAJAMATH: Jurnal Matematika dan Pendidikan Matematika Mandalika Mathematics and Educations Journal Journal of Classroom Action Research Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Nabla Dewantara : Jurnal Pendidikan Matematika Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Griya Journal of Mathematics Education and Application JagoMIPA: Jurnal Pendidikan Matematika dan IPA Evolusi: Journal of Mathematics and Natural Sciences Jurnal Pengabdian dan Edukasi Sekolah (Jubaedah) Rengganis Jurnal Pengabdian Masyarakat Kontribusi: Jurnal Penelitian dan Pengabdian Kepada Masyarakat MATHEMATIC EDUCATION AND APLICATION JOURNAL (META) Jurnal Pijar MIPA Jurnal Pendidikan dan Pengabdian Masyarakat Nabla Dewantara : Jurnal Pendidikan Matematika JDIME: Journal of Development and Innovation in Mathematics Education Jurnal Pendidikan Guru Madrasah Ibtidaiyah Al-Amin ALFAMATH: JURNAL PENDIDIKAN MATEMATIKA AKSIOMA Media Pendidikan Matematika
Ni Made Intan Kertiyani
Mathematics Education Department, Faculty Of Teacher Training And Education, University Of Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Physics Social Sciences Other

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Penerapan Problem Based Learning (PBL) Berbasis LKPD Untuk Meningkatkan Kemampuan Berpikir Kreatif dan Hasil Belajar Matematika Siswa Kelas VIII SMPN 1 Sakra Tahun Ajaran 2024/2025 fati, Fatiha Putri Aura Diva; Baidowi, Baidowi; Made Intan Kertiyani, Ni; Turmuzi, Muh
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 6 No. 1 (2025): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v6i1.494

Abstract

Penelitian ini bertujuan untuk mengetahui penerapan Problem Based Learning (PBL) yang dapat meningkatkan kemampuan berpikir kreatif dan hasil belajar matematika siswa SMPN 1 Sakra pada tahun ajaran 2024/2025 pada materi sistem persamaan linear dua variabel. Penelitian ini merupakan penelitian kuantitatif dengan metode quasi experimental dengan desain yang digunakan adalah pretest posttest nonequivalent control group design. Subjek dalam penelitian ini adalah siswa kelas VIII B sebagai kelas eksperimen dan siswa kelas VIII D sebagai kelas kontrol sebanyak 32 siswa masing-masing kelas. Dengan kelas eksperimen pembelajaran menggunakan model PBL berbasis LKPD dan kelas kontrol pembelajarannya menggunakan model pembeljaran konvensional. Diakhir pembelajaran diberikan tes kepada kedua kelas diperoleh persentase ketuntasan kelas VIII B kemampuan berpikir kreatif sebesar 62,5% dengan kategori baik dan hasil belajar matematika siswa sebesar 75% dengan kriteria sudah tuntas dan persentase ketuntasan kelas VIII D kemampuan berpikir kreatif sebesar 37,5% dengan kategori rendah dan hasil belajar matematika siswa sebesar 43,75% dengan kriteria belum tuntas. Peningkatan kemampuan berpikir kreatif dan hasil belajar matematika siswa berada pada kategori rendah berdasarkan uji N-gain. Berdasarkan hasil penelitian, analisis data dan pembahasan, maka dapat disimpulkan bahwa penerapan Problem Based Learning (PBL) yang peningkatannya rendah pada kemampuan berpikir kreatif dan hasil belajar matematika siswa SMPN 1 Sakra pada tahun ajaran 2024/2025.
Development of Guided Inquiry-Based Student Worksheets for Optimizing Mathematical Understanding Skills Evaldus, Jenefer Delano; Sridana, Nyoman; Made Intan Kertiyani, Ni; Soepriyanto, Harry
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 6 No. 1 (2025): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v6i1.500

Abstract

The application of teacher-centered learning in one of the high schools in Mataram City resulted in low mathematical understanding skills in students. This is because teachers only use textbooks as learning tools and rarely use student worksheets. The purpose of this study was to develop valid and effective guided inquiry-based student worksheets. The type of research used is research and development using the 4D model which is carried out to the development stage. Data collection techniques used interview guidelines, learner response questionnaires, and mathematical understanding ability tests. The data analysis technique consisted of validity analysis and effectiveness analysis. The results of data analysis showed that the learner worksheet product developed obtained a score of 4.30 by 1 device expert validator with very valid criteria, then received a score of 4.71 by 1 material expert validator with very valid criteria and obtained a score of 4.44 by 1 learning expert validator with very valid criteria. Furthermore, the guided inquiry-based student worksheet is an effective learning tool because the percentage of classical completeness reached 77.78% and the percentage of student response scores was 83% with very good criteria. So, it can be concluded that the development of guided inquiry-based student worksheets is valid and effective for optimizing students' mathematical understanding skills.
Ethnomathematics-Based Edutainment: Exploring the Enhancement of Mathematical Reasoning Skills Through Video Games Novitasari, Dwi; Kertiyani, Ni Made Intan; Wulandari, Nourma Pramestie
JDIME: Journal of Development and Innovation in Mathematics Education Vol. 2 No. 2 (2024): Journal of Development and Innovation in Mathematics Education
Publisher : Insitut Agama Islam Negeri Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/jdime.v2i2.4292

Abstract

This study aims to develop an ethnomathematics-based visual novel game, named "EtnoMath," to enhance students' mathematical reasoning abilities in fraction material. The game was developed in response to students' difficulties in understanding mathematical reasoning concepts, which have led to low learning outcomes. This research employed a Research & Development (R&D) approach using the Alessi & Trollip model, which consists of three stages: planning, design, and development. Expert validation (content and media), practicality analysis, and product effectiveness analysis were conducted as part of the evaluation process. Data collection techniques included validation questionnaires, teacher and student practicality questionnaires, and mathematical reasoning ability tests. The results indicated that "EtnoMath" meets the criteria for being valid, practical, and effective, with a media validity score of 88% (very valid) and a content validity score of 90% (very valid). The practicality level was rated at 84% by teachers and 84% by students (both very practical). Effectiveness analysis, both from individual and classical mastery tests, showed that student mastery exceeded 80% in field trials. Effectiveness testing using a one-sample t-test showed a significant improvement in post-test scores (M = 87.25, p < 0.001) compared to the minimum mastery criterion (KKTP = 80), while a binomial test confirmed that all students exceeded this benchmark (p = 0.000).These findings suggest that "EtnoMath" is effective in enhancing students' mathematical reasoning skills and aligns with modern pedagogical standards. However, the study has limitations, such as a lack of long-term evaluation and adaptation to various user needs. The implications of these findings highlight the need for further development to improve the game's flexibility and expand its application in broader educational contexts.
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

Abstract

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.
Pengembangan LKPD Berkarakteristik Budaya Lokal pada Materi SPLDV untuk Meningkatkan Kemampuan Berpikir Kreatif Matematis Siswa SMP Destami, Latifa; Baidowi, Baidowi; Kertiyani, Ni Made Intan; Sripatmi, Sripatmi
JagoMIPA: Jurnal Pendidikan Matematika dan IPA Vol. 5 No. 1 (2025): JagoMIPA: Jurnal Pendidikan Matematika dan IPA
Publisher : Yayasan Pendidikan Bima Berilmu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53299/jagomipa.v5i1.1426

Abstract

Penelitian ini dilakukan guna mengetahui kevalidan dan keefektifan LKPD berkarakteristik budaya lokal pada materi SPLDV dalam meningkatkan Kemampuan Berpikir Kreatif Matematis (KBKM) siswa. Dimana subjeknya adalah siswa kelas VIII pada salah satu SMP di Lombok Utara. Jenis penelitian ini adalah Research and Development (R&D) bermodel 4D yang dikembangkan oleh Thiagarajan. Penelitian ini memiliki 3 tahapan penelitian yakni tahap pendefinisan (define), perancangan (design), dan pengembangan (develop) dengan menggunakan data kualitatif serta kuantitatif melalui analisis data yaitu analisis kelayakan LKPD melalui lembar penilaian atau validasi, dan analisis keefektifan LKPD melalui angket respon dan hasil posttest siswa. Adapun, hasil yang diperoleh yakni: (1) LKPD valid dengan rata rata skor dari hasil validasi oleh ahli media, ahli materi, dan praktisi yakni 0,93 berkriteria sangat valid, (2) LKPD efektif dengan persentase rata rata skor hasil angket respon siswa sebesar 94,61% berkriteria sangat efektif dan hasil penilaian posttest diperoleh persentase ketuntasan siswa mencapai 82,8% dan rata-rata tiap indikator kemampuan berpikir kreatif sebesar 81% dan berkategori sangat kreatif. Maka dapat disimpulkan LKPD berkarakteristik budaya lokal pada materi SPLDV valid dan efektif dalam meningkatkan KBKM siswa SMP.
The Development of Project Based Learning Module for Vocational High Schools to Improve Critical Thingking Skills Baidowi, Baidowi; Arjudin, Arjudin; Novitasari, Dwi; Kertiyani, Ni Made Intan
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 7, No 1 (2023): January
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v7i1.11806

Abstract

Critical thinking is one of the skills needed by vocational high school students in the world of work and has a positive impact on students' fieldwork practices. Therefore the aim of this research is to produce a mathematics module focused on critical thinking skills using a project-based learning model. Thiagarajan's 4D development model, namely define, design, develop, and dissemination, is used in this research and development model. Validation tests, questionnaires, observations, interviews, and critical thinking tests were used to collect data. Data analysis was carried out quantitatively and qualitatively. Quantitative analysis uses descriptive statistical tests and T-tests while qualitative analysis comes from suggestions and input from media experts, materials, practitioners, teachers, and students. The results showed that: (1) the mathematics module for grade 11th vocational high school met valid criteria based on the assessment of material experts, media experts, practitioners, teachers, and students; and (2) with a sig score of 0.000 from the T-test, students who took the module these have better critical thinking skills than those who don't. So that this module can be classified as effective for use in learning. This indicates that this module meets the requirements for use in learning.
Analisis Kesulitan Mahasiswa dalam Mata Kuliah Kalkulus I Kertiyani, Ni Made Intan
ALFAmath (Jurnal Pendidikan Matematika) Vol 5, No 1 (2024): ALFAMATH: JURNAL PENDIDIKAN MATEMATIKA
Publisher : Yayasan Pendidikan Intan Cendekia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47165/alfamath.v2i1.280

Abstract

Mata kuliah Kalkulus I merupakan mata kuliah yang perlu dikuasai oleh mahasiswa karena mata kuliah ini menjadi dasar untuk mempelajari mata kuliah lain seperti statistika matematika dan analisa riil. Namun, tidak semua mahasiswa dapat lulus dalam mata kuliah ini. Oleh karena itu, untuk memaksimalkan perkuliahan Kalkulus I,  penelitian ini berfokus pada analisis kesulitan mahasiswa dalam mata kuliah Kalkulus I. Penelitian ini merupakan penelitian deskriptif kualitatif. Subjek terdiri dari 21 mahasiswa pendidikan matematika yang mengikuti kuliah semester antara. Data yang digunakan dalam penelitian ini diperoleh dari kuisioner terbuka dan wawancara. Data yang diperoleh kemudian dianalisis menggunakan model Miles dan Huberman yang terdiri dari pengumpulan data, reduksi data, penyajian data dan kesimpulan. Hasil penelitian menunjukkan bahwa kesulitan mahasiswa pada mata kuliah ini berasal dari faktor eksternal dan internal. Faktor eksternal meliputi kesulitan dalam materi dan soal, yaitu kesulitan menetukan teorema dan bukti yang digunakan saat menyelesaikan soal serta kurang banyaknya variasi soal yang dibahas di kelas. Adapun faktor internal berasal dari mahasiswa sendiri, yaitu kurang banyaknya melakukan latihan soal dan kurangnya aktivitas mahasiswa dalam mereview kembali materi yang sudah diberikan.
PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MAHASISWA SETELAH PANDEMI: TINJAUAN DARI SISTEM PEMBELAJARAN DARING DAN LURING Ni Made Intan Kertiyani; Sarjana, Ketut
Nabla Dewantara: Jurnal Pendidikan Matematika Vol. 8 No. 1 (2023): Nabla Dewantara: Jurnal Pendidikan Matematika
Publisher : FKIP Universitas Tamansiswa Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51517/nabla.v8i1.207

Abstract

Seiring dengan semakin meredanya kasus COVID-19, pembelajaran secara luring mulai dilakukan. Namun, pembelajaran daring masih menjadi opsi yang cukup dipertimbangkan. Sementara itu, beberapa penelitian juga menemukan bahwa kemampuan berpikir kritis mahasiswa daring masih dalam tahap yang memuaskan. Untuk mendapatkan sistem kelas yang terbaik diantara kelas daring dan luring, penelitian ini berusaha untuk mengivestigasi mengenai profil peningkatan kemampuan berpikir kritis mahasiswa daring dan luring serta membandingkan peningkatan kemampuan dari kedua kelas tersebut. Penelitian ini merupakan penelitian eksperimen menggunakan pretes dan postes. Sampel dari penelitian ini adalah 60 orang pendidikan matematika. Instrumen penelitian yang digunakan adalah tes kemampuan berpikir kritis dan pedoman wawancara. Data dianalisis menggunakan stattstika deskriptif dan uji T. Hasil penelitian menunjukan a) profil kategori peningkatan kemampuan berpikir kritis mahasiswa luring tersebar pada kategori sangat tinggi, tinggi, cukup, rendah dan sangat rendah berturut-turut sebanyak 7%, 17%, 48%, 21% dan 7%., b) profil kategori peningkatan kemampuan berpikir kritis mahasiswa daring tersebar pada kategori sangat tinggi, tinggi, cukup, rendah dan sangat rendah berturut-turut sebanyak 10%, 29%, 32%, 26%, dan 3%, c) tidak ada perbedaan yang signifikan antara peningkatan kemampuan berpikirk kritis mahasiswa yang belajar dengan sitem daring dan luring.
Current Research On Problem Posing : A Review Kertiyani, Ni Made Intan; Azmi, Syahrul; Lu'luilmaknun, Ulfa
PARADIKMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 16 No. 2 (2023): PARADIKMA JURNAL PENDIDIKAN MATEMATIKA (July - December 2023)
Publisher : Study Program of Mathematics Education of Unimed Postgraduate Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/paradikma.v16i2.46425

Abstract

Teachers and students must learn how to pose problems effectively, hence there is a need for ongoing research on this topic. In order to identify the next topic that can be explored in the field of problem posing, this study aims to capture the latest research trends regarding problem posing over the last five years, starting from 2018-2023. The method used is Systematic Literature Review (SLR). The results of this study are research on problem posing widely spread in various topics, including a) theoretical considerations of problem posing, b) the relationship between problem posing and other abilities, c) analysis of teacher problem posing abilities, d) analysis of students' problem posing abilities and e) learning design to improve problem posing skills. These findings indicate that the problem posing has been extensively researched by scholars. The development of teaching materials that involve problem posing and learning design to enhance prospective teacher problem posing skill are two potential area of future research.
Construction of Teaching Materials To Facilitate 21st Century Learning on Critical and Creative Thinking Sarjana, Ketut; Kurniawan, Eka; Lu'luilmaknun, Ulfa; Kertiyani, Ni Made Intan
Jurnal Kependidikan : Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran, dan Pembelajaran Vol. 10 No. 1 (2024): March
Publisher : LPPM Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jk.v10i1.9442

Abstract

This research aims to produce teaching materials based on 21st century learning for prospective teacher students that are valid and effective. The method of this research was research and development (R&D) using the Thiagarajan 4D model. This model consists of several stages, namely definition, design, development, and dissemination. The test subjects of this research were 27 third-semester mathematics education students at the University of Mataram. Data was collected using a validation questionnaire for teaching materials for material experts, media, practitioners and lecturer and student response questionnaires. Meanwhile, effectiveness data was obtained from student scores on ability tests at the end of using teaching materials. The data was analyzed descriptively to categorize the classical completeness from the scores. The results of the research showed that the teaching materials for teaching critical and creative thinking skills met the criteria valid according to the assessment of material experts, media experts, practitioner experts, lecturers, and students, and their effectiveness has been tested so that it can be concluded that this module meets the requirements for use in learning to build creative thinking and critical thinking skills. These teaching materials can be references for teachers to study how to stimulate student’s critical and creative thinking. 
Co-Authors Amrullah Amrullah Amrullah Amrullah Amrullah Arjudin Arjudin Atiqah, Ummu Atmaja, Muh Subakti Azizah, Baiq Hidayatul Baidowi Baidowi Baidowi Baidowi Chatarina Umbul Wahyuni Churun Lu'Luil Maknun Destami, Latifa Dwi Novitasari Ernawati Evaldus, Jenefer Delano Fajriani fati, Fatiha Putri Aura Diva Hasan, Riska Rahmawati Hendi, Muhamad Ismi Andriyani, Ismi Ketut Sarjana Ketut Sarjana Ketut Sarjana KETUT SARJANA, KETUT Kurnia, Puspita Dwi Kurniawan, Eka Laila Hayati Laila Hayati, Laila Lu’luilmaknun, Ulfa Maknun, Churun Lu'lu'il Manto Lumban Gaol Maria Evelin Totuloba Muhammad Turmuzi Nani Kurniati Nani Kurniati Nasir, Rahma Nourma Pramestie Wulandari NURUL HIKMAH Nyoman Sridana Oktavihari, Dita Rahma Nasir Rahma Nasir Ratih Ayu Apsari Sahrul Azmi Salsabila, Nilza Humaira Soepriyanto, Harry Sri Subarinah Sri Subarinah Sri Subarinah, Sri Sripatmi Sripatmi Sripatmi Sripatmi Sripatmi Sripatmi, Sripatmi Sudi Prayitno Syahrul Azmi Syahrul Azmi Tabita Wahyu Triutami Triutami, Tabita Wahyu Turmuzi, Muh Ulfa Lu'luilmaknun Ulfa Lu’luilmaknun Uncok Manigor Jokkas Siahaan Uncok Manigor Jokkas Siahaan Wahidaturrahmi, Wahidaturrahmi Widya, Eka Wulandari, Nourma Pramestie Yulis Tyaningsih, Ratna