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Susanto, Susanto

Mathematics Education Masters Study Program, Universitas Jember

Author-ID : 2579845

Arts Humanities Chemistry Education Languange, Linguistic, Communication & Media Mathematics Physics Social Sciences Other

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KARAKTERISTIK KEMAMPUAN BERPIKIR SPASIAL SISWA BERDASARKAN KEMAMPUAN MATEMATIKA DALAM PEMBELAJARAN GEOGEBRA BERBASIS ETNOMATEMATIKA GUDANG ATAG Ziefa Fitria Noviyanti Thifal Rif’at; Erfan Yudianto; Lela Nur Safrida; Susanto Susanto; Robiatul Adawiyah
AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika Vol. 12 No. 4 (2025)
Publisher : Universitas Ahmad Dahlan

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

Students frequently demonstrate different spatial thinking characteristics despite experiencing the same geometry learning environment. However, limited attention has been given to how these characteristics vary according to students' mathematical ability. This study aimed to describe students' spatial thinking characteristics based on mathematical ability in GeoGebra-supported ethnomathematics learning using the Gudang Atag context. A qualitative descriptive approach was employed involving 31 eighth-grade students from a junior high school in Jember, Indonesia. Based on their mathematics achievement, students were classified into high, moderate, and low mathematical ability groups. One representative student from each group was selected for in-depth analysis through a spatial thinking test and semi-structured interviews. Data were analyzed using the interactive model of Miles, Huberman, and Saldaña, while data credibility was established through technique triangulation. The findings revealed distinct spatial thinking characteristics across the three mathematical ability groups. Students with high mathematical ability demonstrated accurate spatial visualization, orientation, and spatial relations, whereas students with moderate mathematical ability were able to perform these aspects but still relied on GeoGebra to confirm their visual representations. In contrast, students with low mathematical ability depended heavily on GeoGebra to recognize object structures and experienced difficulties in constructing stable mental representations of spatial relationships. These findings indicate that mathematical ability shapes students' spatial thinking characteristics even when they participate in the same learning environment. The study provides empirical evidence that can support teachers in designing geometry instruction that accommodates students' diverse spatial thinking characteristics

Kepraktisan dan Keefektifan Penggunaan E-LKPD Konteks Sosial Budaya Berbantuan Workbook GeoGebra terhadap Kemampuan Numerasi Peserta Didik pada Materi Limas Zafar Muhamad Sidik; Susanto Susanto; Abi Suwito; Toto Bara Setiawan; Lela Nur Safrida
Jurnal Tadris Matematika Vol. 6 No. 2 (2023)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2023.6.2.231-244

Numeracy is a person's ability to implement mathematics in the home, work and community environments. This research aims to measure the practicality and effectiveness of using E-LKPD in a socio-cultural context assisted by GeoGebra workbooks in improving students' numeracy skills in pyramid material. The type of research used was a quasi-experiment (Quasi-experiment) with research subjects 21 class VIII students at SMPN 1 Kalisat Jember. The practicality of E-LKPD is assessed from the results of student response questionnaires, while the effectiveness of E-LKPD is assessed from the results of students' numeracy ability tests. The use of E-LKPD is said to be practical if the average percentage of students' questionnaire responses is at least in the practical category, and effective if students' numeracy skills are at least in the medium category. Based on the practicality analysis, the results of the student response questionnaire regarding the use of E-LKPD obtained a percentage of 81.67% or were in the practical category. In addition, the use of E-LKPD shows an increase in students' numeracy skills on all numeracy indicators. This can be seen based on the results of the numeracy ability test which obtained an N-Gain score of 0.51 or at a medium effectiveness level. Therefore, the use of E-LKPD in a socio-cultural context with the help of GeoGebra workbooks is practical and effective for improving students' numeracy skills, especially in learning surface area and volume of pyramids.

Pengembangan E-LKPD Interaktif Berbasis Liveworksheets dalam Pembelajaran Berdiferensiasi pada Materi Limas Fase D Ine Clarita Cahya; Susanto Susanto; Lela Nur Safrida; Erfan Yudianto; Edy Wihardjo
Jurnal Tadris Matematika Vol. 7 No. 2 (2024)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2024.7.2.251-268

This study aims to develop an interactive e-worksheet (E-LKPD) based on Liveworksheets for differentiated learning on the topic of pyramids (limas) in Phase D that is valid, practical, and effective in improving student learning outcomes. The research employed a development method using the ADDIE model, involving eighth-grade students as subjects. Instruments used include validity, practicality, and effectiveness instruments, with data collected through questionnaires and learning outcome tests. The developed product consists of three E-LKPDs tailored to students’ readiness levels: developing, proficient, and highly proficient. Validation results show an average score of 3.81 out of 4, categorized as very valid. Practicality was measured through teacher and student responses, yielding an average of 76.26%, which falls into the practical category. Effectiveness was assessed based on the learning test results, showing a mastery level of 89%, indicating that the E-LKPD is effective for classroom use. This study is essential due to the growing need for interactive learning materials that accommodate differences in student learning abilities, particularly within the current differentiated learning framework. Moreover, the use of digital tools like Liveworksheets remains underutilized, especially in mathematics topics such as pyramids. This E-LKPD is expected to make learning more engaging and tailored to individual needs, and serve as a foundation for future development of more innovative digital learning materials.

Co-Authors Abi Suwito Abi Suwito Abi Suwito Adillia Natasya Saputri Agustin Faridatul Hasanah Aliyah Is Karimah Alvian Bagus Agatha Alvin Ananda Dwi Iskarina Angelica Ona Ernitasari Arif Fatahillah Arifatul Hasanah Arika Indah Kristiana Ayu Endang Purwati Brigita Wanda Pangestika Budi Wahyu Agung Pramana Dian Kurniati Didik Sugeng Pambudi Dinar Aulia Wahyuningtyas Dinawati Trapsilasiwi Edy Wihardjo Erfan Yudianto Erfan Yudianto Ervin Oktavianingtyas Evi Takrimatul Ailiyyah Frenza Frenza Fairuz Firmansyah Handariyatul Masruroh Hobri Ifka Nurafni Hibatullah Ine Clarita Cahya Inggil Ismiharto Jatmiko, Dhanar Dwi Hary Lioni Anka Monalisa, Lioni Anka Lutfiana Ramadani lutfiyah Lutfiyah Lutfiyah Lutfiyah Moh. Fauzi Jamiludin Mohamad Fatekurohman Muhammad Chaizul Chaqqil Masrur Nurcholif Diah Sri Lestari Nuzula Erlisa Nuraziza Priciliya, Sinta Randi Pratama Murtikusuma Reza Ambarwati Robiatul Adawiyah Saddam Hussen Saddam Hussen Sefina Vamelia Hanim Sekar Ayu Rahmayani Sinta Priciliya Sunardi Sunardi Sunardi Sunardi Sunardi, Sunardi Toto Bara Setiawan Zafar Muhamad Sidik Ziefa Fitria Noviyanti Thifal Rif’at

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