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All Journal International Journal of Electrical and Computer Engineering Jurnal Penelitian dan Pengembangan Pendidikan Pedagogi: Jurnal Ilmu Pendidikan Journal of Education and Learning (EduLearn) AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Elemen Journal of Research and Advances in Mathematics Education Al-Jabar : Jurnal Pendidikan Matematika Jurnal Pendidikan Matematika (Kudus) Jurnal Riset Pendidikan dan Inovasi Pembelajaran Matematika (JRPIPM) Jurnal ABDINUS : Jurnal Pengabdian Nusantara Jurnal Abdi: Media Pengabdian Kepada Masyarakat Jurnal Penelitian Pendidikan Matematika dan Sains Bima Abdi: Jurnal Pengabdian Masyarakat SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Edumatika MATHEdunesa JRAMathEdu (Journal of Research and Advances in Mathematics Education) Journal of Mathematical Pedagogy (JOMP) Jurnal Padamu Negeri Mathematics Education Journal Journal on Mathematics Education Journal of the Indonesian Mathematics Education Society
Yurizka Melia Sari
Universitas Negeri Surabaya
Humanities Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Social Sciences Other

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Desain Asesmen Keterampilan Pemecahan Masalah Trigonometri SMA Terintegrasi GeoGebra Classroom Ilma Nuril Taqwim; Masriyah Masriyah; Yurizka Melia Sari
MATHEdunesa Vol. 15 No. 3 (2026): Jurnal Mathedunesa Volume 15 Nomor 3 Tahun 2026
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v15n3.p866-884

Abstract

The limited use of GeoGebra Classroom as a process-based assessment tool for measuring trigonometry problem-solving skills at the senior high school level highlights the need for an alternative technology-based assessment. This study aims to describe the development process and produce a trigonometry problem-solving skills assessment design for high school students integrated with GeoGebra Classroom and fulfilling the criteria of validity, practicality, and effectiveness. This study uses a research and development method with reference to the nine steps of instrument development according to Retnawati, which include formulating instrument objectives, determining theory and material coverage, compiling indicators, developing test items, expert validation, revision, trial, data analysis, and assembling the final instrument. The results show that the assessment design development process was carried out according to the stages of Retnawati's model and produced six descriptive test items on the trigonometric comparison material of right triangles integrated with GeoGebra Classroom, with very high content validity (Aiken's V = 0.90 – 0.97), practicality in the practical to very practical category, and effectiveness indicated by the proportional level of item difficulty and sufficient to very good discrimination power. Based on these results, it is concluded that the developed trigonometry problem-solving skills assessment design fulfills the criteria of validity, practicality, and effectiveness. Thus, this assessment design has implications as an alternative technology-based assessment that is suitable for use in high school trigonometry learning to support visualization, exploration, and measurement of students' problem-solving skills.
STEM-IoT Integration in Paper Bridge Projects: Development of a Learning Tool for Teaching Ratio and Proportion Karina Surya Eka Kusuma; Nova Enu Kemalasari; Aqne Fadilla Ramadhany; Ma’nawi Sukma Dewi; Yurizka Melia Sari
Jurnal Padamu Negeri Vol. 3 No. 4 (2026): Oktober : Jurnal Padamu Negeri (JPN)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/frkkar67

Abstract

Mathematics remains underrepresented in integrated STEM practice, and ratio and proportion, despite lending itself to authentic design tasks, is a topic students persistently struggle to master, with no prior development research combining a paper bridge project and a student-built IoT weight scale to teach it. This study developed and examined the content validity of a STEM-PjBL learning tool, comprising a teaching module, student worksheet, and assessment instrument, that integrates a paper bridge project with a student-built IoT weight scale to teach ratio and proportion to seventh-grade students through a six-phase Engineering Design Process (Ask, Research, Imagine, Plan, Create, Improve). Using a Research and Development approach limited to the Analysis, Design, and Development stages of the ADDIE model, the initial draft was validated by two mathematics education lecturers and analyzed using Gregory's content-validity formula. All three components, teaching module, student worksheet, and assessment instrument, achieved a validity index of 1.00 across all rated aspects, placing them in the high-validity category, and were subsequently revised based on the validators' qualitative feedback. These findings indicate that the developed STEM-PjBL tool is content-valid and ready for classroom trial, offering a concrete model for embedding authentic, student-generated data into mathematics instruction and narrowing the disciplinary gap between IoT-based STEM tools and mathematics learning.
Penerapan Project-Based Learning dalam Pengembangan Modul Ajar dan Asesmen Sistem Irigasi dengan Pemilihan Jalur Aliran Air yang Optimal dan Efisien Adinda Putri Maulidya; Nafisania Intan Sutarno; Annastasia Eka Budi; Elsa Yulisyia Febiyanti; Yurizka Melia Sari
Jurnal Padamu Negeri Vol. 3 No. 4 (2026): Oktober : Jurnal Padamu Negeri (JPN)
Publisher : CV. Denasya Smart Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69714/k3ddnt55

Abstract

Mathematics education in the Merdeka Curriculum era is required to develop students' critical thinking and problem solving skills through real world contexts, one of which is water scarcity and irrigation system efficiency a critical challenge in agriculture. This study aims to develop and validate a teaching module and assessment instrument based on Project-Based Learning (PjBL) with a STEM approach. The developed materials integrate mathematical optimization concepts, specifically the shortest path and network flow, to determine water flow routes in irrigation systems through the "Mini Irrigation Path" project. This study employed a Research and Development (R&D) approach using the ADDIE model, limited to the Development phase, targeting 10th-grade high school students studying linear functions. Data were collected using expert validation sheets for subject matter and media across 35 indicators, which were subsequently analyzed using Aiken's V validity index. The results revealed that 33 out of 35 indicators achieved a V value > 0.80, with 16 indicators reaching absolute agreement (V = 1.0000). The remaining two indicators fell into the moderate validity category but remained statistically significant and were revised by incorporating visual scaffolding and restructuring project instructions. The overall average Aiken's V index was 0.8952, categorizing the products as highly valid. In conclusion, the developed STEM-PjBL based teaching module and assessment instrument are valid and feasible to support contextual mathematics learning, the implementation of Merdeka Curriculum, and the achievement of SDGs 2, 4, and 6.
Co-Authors Abdul Haris Rosyidi Abid Lingga Barensa Adinda Putri Maulidya Afsari, Fadilla Ahmad Wachidul Kohar Alfianita, Nova Febrian Ali Shodikin Aliya, Afifa Alvenna Nursyafira Anjasari, Tika Annastasia Eka Budi Annisa Rahmita Soemarsono Aqne Fadilla Ramadhany Arfiansyah, Noval Ilham Arlinwibowo, Janu Asteria, Prima Vidya Aulia Eka Putri Auni, Anggita Danang Ariyanto Dewi Pujiati Dewi, Alvi Setya Kurnia Dini Kinati Fardah Dwi Purwoko Dyah Ayu Fitriana El Milla, Yulia Izza Elsa Yulisyia Febiyanti Endah Budi Rahaju Endang Susantini Erik Valentino Fadhilah, Intan Ayu Fatima, Gupita Nadindra Feriyanto Feriyanto Fiangga, Shofan Fikky Dian Roqobih Findiyani Ernawati Asih Haq, Muhammad Dani Izzul Ilma Nuril Taqwim Indrawatiningsih, Nonik Intan Nurlita Irsyad Izzuddin Arrauf Jamil, Siti Nur Amalina Karina Surya Eka Kusuma Kurniasari, Santi Lustanti Rara Halis Martin, Azzahra Cahyaning Marzuqi, Muhammad Ilyas Masitah Shahrill, Masitah MASRIYAH Masriyah Masriyah Masriyah Masriyah Ma’nawi Sukma Dewi Minarsih, Ni Made Marlin Mukhayyarotin Niswati Rodliyatul Jauhariyah Mulyani, Adela Nabilah, Nurjihan Nafis, Tazkiyatun Nafisania Intan Sutarno Ningtyas, Syahratu Cahya Nova Enu Kemalasari Nova Febrian Alfianita Nurlita, Intan Nurul Fadilah Nurul Fadilah, Nurul Olinda Maharani Aqilla Putri Pardamean Daulay Prayogo, Mochammad Reval Ardhi Yudi Puspaningtyas, Nicky Dwi Putri, Taszkia Aulia Rahayu, Dwi Shinta Rahmawati, Nabila Neva Reny Amalia Permata Riska Wahyu Romadhonia Risky Dwi Afandy Rooselyna Ekawati Sari Kusuma Dewi Sari, Sovy Dia Permata Sholihah, Umi Mar’atus Shubhiy, Annisa Nadiya Fauziyah Sifak Indana Siti Farida Siti Nurul Hasana Soffa Zahara Sugi Hartono, Sugi Suprapto Suprapto Taszkia Aulia Putri TITIN SUNARTI Valentino, Erik Wasis Wasis Wasis Yanti, Liza Puspita Yassirly Amry Zulfa Qurrotu Ain