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All Journal Cakrawala Pendidikan Mimbar PGSD Undiksha Jurnal Infinity Jurnal Riset Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika Phenomenon : Jurnal Pendidikan MIPA Media Penelitian Pendidikan : Jurnal Penelitian dalam Bidang Pendidikan dan Pengajaran AKSIOMA Al-Jabar : Jurnal Pendidikan Matematika Union: Jurnal Ilmiah Pendidikan Matematika Jurnal Obsesi: Jurnal Pendidikan Anak Usia Dini Jurnal Penelitian Pendidikan IPA (JPPIPA) PRISMA Jurnal Cendekia : Jurnal Pendidikan Matematika Mimbar Ilmu Journal on Education Edumaspul: Jurnal Pendidikan FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Imajiner: Jurnal Matematika dan Pendidikan Matematika Science Education and Application Journal Community Development Journal: Jurnal Pengabdian Masyarakat Didaktik : Jurnal Ilmiah PGSD STKIP Subang International Journal of Research in Education (IJRE) Euclid Pelita: Jurnal Pengabdian kepada Masyarakat INTERNATIONAL JOURNAL OF ECONOMIC LITERATURE IndoMath: Indonesia Mathematics Education Journal of Mathematical Pedagogy (JOMP) Jurnal Medika: Medika Jurnal Infinity
Nurina Happy
Universitas PGRI Semarang
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Energy Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : Union: Jurnal Ilmiah Pendidikan Matematika

 1 
The use of teaching props to improve mathematics learning outcomes in number pattern material in STEM village Yogyakarta Ariana, Fika; Prayito, Muhammad; Happy, Nurina; Wirani, Wisnuningtyas
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 1 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i1.16991

Abstract

Since mathematics is an abstract discipline, it is necessary to understand context when learning. This pilot study at SDN 1 Kentungan, a "STEM Village" in Joho Village, Yogyakarta, aims to determine the impact of stick-board teaching aids on second-grade students' mathematics learning results in number patterns. The devices used for collecting data include pre-tests and post-tests, interview sheets, observation sheets, and other methods. Meanwhile, the small set of test participants consisted of two SD N 1 Kentungan class II students who attended the STEM Village in Kampung, Joho. The conclusions of this descriptive study show the following: (1) the way teaching tools are used affects how number patterns are taught to primary school pupils; when instructional aids are utilized to assist students in learning a subject more easily and contextually, they are guided by more than just formulas. (2) Students perform better on their pretest and posttest. (3) Students' understanding improves after using visual aids compared to before using them. (4) Students become more curious and engaged in the learning process. The results of the study suggest that class II students at SDN 1 Kentungan benefit from using instructional aids, which are regarded as compelling and well-done.
STEM application in miniature bridge making can sharpen children's critical thinking patterns Agustin, Indah Wahyu; Happy, Nurina; Prayito, Muhammad; Hidayah, Miftahul
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 1 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i1.17100

Abstract

To improve the skills required for students in the 21st century, such as basic skills, competencies, and character, mathematical literacy is one of the critical factors. With the application of STEM, students are expected to be able to think critically so that they can improve their mathematical literacy skills. This research used a descriptive qualitative method with subjects aged 3–9 years in Joho Village, D.I. Yogyakarta, Indonesia. In this study, data was collected using three methods: observation, interview, and documentation. The instruments used include a critical thinking scale, an observation guide, and an interview guide. The results obtained from this study indicate that applying STEM can hone students' critical thinking skills. Two classifications were obtained by applying STEM, namely groups with high and average levels of critical thinking. Students can identify given problems, formulate the core of the problem, provide solutions based on a problem, draw conclusions, and evaluate relevant arguments for solving a problem. Thus, research is expected to provide a strong foundation for applying STEM-based learning to enrich students' mathematical learning experiences and prepare them for future challenges in the age of globalization towards Indonesia in 2045.
Development of design thinking-based mathematics learning media to enhance mathematical critical thinking skills Ariyani, Arneta Mayandha; Prayito, Muhammad; Happy, Nurina
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 2 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i2.19394

Abstract

This research aims to develop an Android-based learning media application using MIT App Inventor to enhance students' mathematical critical thinking skills. The study employs a Research and Development (R&D) approach with the design thinking method, consisting of five stages: empathize, define, ideate, prototype, and test. During the empathize phase, in-depth interviews were conducted with five personas to identify existing issues, which were then summarized into an empathy map. In the define stage, data were analyzed using the How Might We technique to frame actionable problems. The ideate stage involved brainstorming solutions through mind mapping, followed by prototyping the application design based on the identified needs. In the testing phase, the application was evaluated for effectiveness (measured by success rate), efficiency (time-based metrics), and user satisfaction (via the System Usability Scale). Data were collected through questionnaires to assess the application’s viability, efficiency, and alignment with user needs. After completing the design thinking process, a critical thinking competency test was administered to compare learning outcomes on three-variable linear equations before and after using the media. Post-intervention results revealed above-average scores, demonstrating the application’s positive impact on students' mathematical critical thinking abilities. This study contributes to innovative learning media development in mathematics education, offering a simple, interactive, and accessible tool adaptable to individual learning needs.
Analysis of seventh-grade students’ critical thinking skills in solving narrative problems using linear equation content Yuzaefa, Aina Dinda; Happy, Nurina; Albab, Irkham Ulil
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 2 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i2.19708

Abstract

Students are required to think critically when solving math problems related to everyday life. However, many still do not pay enough attention to the importance of critical thinking skills in the education system, and teachers tend to guide students to solve problems correctly rather than express ideas or notions. The purpose of this research is to assess and describe students’ critical thinking skills in solving story problems involving linear equations, reviewed from the student’s initial abilities. The method used in this research is descriptive qualitative. The purposive sampling and snowball sampling techniques were used as methods for subject selection in this study. The research subjects consist of 6 seventh-grade students from SMP Negeri 3 Randudongkal selected based on specific criteria, where students had initial ability scores of 80-90, good communication, and were recommended by the teaching teacher. The triangulation used in this research is source triangulation. Written tests and in-depth interviews were used as data collection techniques in this study. The data analysis stage used was reducing data, presenting data, and deriving a conclusion. The analysis results obtained from the written critical thinking skills test and interviews in the research show a conclusion that students with high initial abilities can apply four out of six FRISCO critical thinking skill indicators, namely the indicators of Focus, Reason, Inference, and Clarity in solving story problems involving one-variable linear equations. However, they require a greater understanding and precision to apply the indicator of Situation and Overview. Most students failed to explain their knowledge during the interview, indicating a gap between their written and verbal critical thinking skills. This research can serve as a reference for further studies related to critical thinking skills and help teachers design lessons that pay more attention to the critical thinking abilities of students.
Co-Authors .Dewi, Sinta Verawati Aat Ruchiat Nugraha Aat Ruchiat Nungraha Agnita Siska Pramasdyahsari, Agnita Siska Agung Handayanto Agung Handayanto Agustin, Indah Wahyu Ahmad Zain Sarnoto Anak Agung Istri Sri Wiadnyani Andi Priyolistiyanto Anriany Casanova Ariana, Fika Aris, Muhammad Hamdan Ariyani, Arneta Mayandha Aula Amalia Azizah, Linda Ilmi Rahmah Bungkus Dias Casanova, Anriany DEWANTO Dewanto Dewanto Dewi, Sinta Verawati Dhian Endahwuri, Dhian Diah Safitri Dinahyu Arifah Yuniar Djamilah Bondan Widjajanti EFENDI Fairuz Amin Fajar Prasetio Bayu Nugroho Falakhudin, Fahmi Arif Farida Nursyahidah Fenny Roshayanti FX Didik Purwosetiyono Ganang Iqbal Riska Heni Purwati Heni Purwati Henny Sanulita hery saputra Hidayah, Laili Nurul Hiola, Siti Fatimah Hiola, Siti Fatmah Ifa Safira Irkham Ulil Albab Lilik Ariyanto Manahor, Anwar Mardiati Mardiati Maulina, Julia Miftahul Hidayah, Miftahul Muh. Safar Muhammad Prayito Muhtarom Muniroh Munawar Nahria Nahria, Nahria Nila Azizatil Ludfiana Nina Zakiah Nizaruddin . Nizaruddin Nizaruddin Noora Qotrun Nada, Noora Qotrun Nur Hidayati Nur Latifah Nur Latifah, Nur Perdana Afif Luthfy Praptining Rahayu ., Praptining Rahayu Rafiqoh, Sri Rasiman Rasiman Retno Cahyanti Riska, Ganang Iqbal Rizky Esti Utami, Rizky Esti RR. Ella Evrita Hestiandari Santosa, Tomi Apra Sapulete, Heppy Sari, Eliya Cicik Puspita Sari, Windy Dian Setyoady, Yuris Setyowati, Khoirunisak Siti Fatimah Hiola Solissa, Everhard Markiano Sugiyanti Sugiyanti Sukini, Sukini Sutrisno Sutrisno Tomi Apra Santosa Umi Sya'adah Unpris Yastanti, Unpris Utami, Salma Millenia Via Yustitia Wantu, Hasyim Mahmud Wicaksono, Khoirul Anam Dwi Widya Kusumaningsih Wirani, Wisnuningtyas Wiwik Susanti Yanuar Hery M Yanuar Hery Murtianto Yanuar Hery Murtianto Yuzaefa, Aina Dinda zakiah, Nina Zuhri Zulfa Faiqotun Alfin