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All Journal AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika Pi: Mathematics Education Journal JURNAL AXIOMA : Jurnal Matematika dan Pembelajaran Pi: Mathematics Education Journal Journal Focus Action of Research Mathematic (Factor M)
Nur Safrida, Lela
Mathematics Education Study Program, Jember University, Jember
Education Mathematics Other

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Keterampilan Kolaborasi Mahasiswa PGSD dalam Mengembangkan Soal Literasi Matematis Melalui Kegiatan Lesson Study Nur Safrida, Lela; Kristiana, Arika Indah; Alfarisi, Ridho
Jurnal Axioma : Jurnal Matematika dan Pembelajaran Vol. 9 No. 2 (2024): Juli
Publisher : Universitas Islam Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56013/axi.v9i2.2515

Abstract

This research aims to describe the collaborative skills of prospective elementary school teachers in developing mathematical literacy questions through lesson study activities. This type of research is quantitative descriptive research, namely describing collaboration skills based on data obtained through the stages of lesson study (plan, do, see). The research instrument used to answer the research objectives was a collaboration skills observation sheet. Based on the results of the data analysis, it can be concluded that students' overall collaboration skills have improved and are in the excellent category. A significant increase occurred in time management indicators due to students being able to complete assignments at the end of the final cycle. Keywords: collaboration skills, lesson study, mathematical literacy
PROFIL BERPIKIR SISWA SMP DALAM MENYELESAIKAN MASALAH BANGUN RUANG KERUCUT BERDASARKAN LEVEL VAN HIELE Sari, Maulifa Yunita; Yudianto, Erfan; Safrida, S.Pd., M.Pd., Lela Nur; Susanto, Susanto; Ambarwati, Reza
AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika Vol. 12 No. 1 (2025)
Publisher : Universitas Ahmad Dahlan

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Abstract

Jenis penelitian ini adalah penelitian deskriptif dengan pendekatan kualitatif. Tujuan penelitian ini yaitu untuk mendeskripsikan profil berpikir siswa SMP dalam menyelesaikan masalah bangun ruang kerucut berdasarkan level van Hiele. Subjek penelitian ini adalah siswa kelas VII G SMPN 4 Jember. Metode pengumpulan data yang digunakan yaitu metode tes dan wawancara, dengan instrumen penelitian sebagai berikut: tes VHGT (Van Hiele Geometry Test), tes penyelesaian masalah dan pedoman wawancara. Tes VHGT (Van Hiele Geometry Test) dilakukan untuk mengklasifikasikan siswa ke dalam tingkat berpikir geometri van Hiele dan diperoleh 3 siswa pravisualisasi, 11 siswa level visualisasi, 14 siswa level analisis, dan 2 siswa level deduksi informal. Kemudian diambil satu siswa dari tiap-tiap level van Hiele. Hasil penelitian menunjukkan bahwa proses berpikir siswa level visualisasi cenderung konseptual pada tahap memahami masalah, menyusun rencana, melaksanakan rencana, memeriksa kembali. Sementara itu, proses berpikir siswa level analisis dan deduksi informal adalah proses berpikir semi-konseptual pada tahap memahami masalah, menyusun rencana, melaksanakan rencana, dan memeriksa kembali. Manfaat penelitian ini bagi peneliti adalah dapat memperoleh pengetahuan serta pengalaman mengenai profil berpikir siswa dalam menyelesaikan masalah bangun ruang kerucut berdasarkan level van Hiele.
Intuitive thinking in solving HOTS problems on sequences and series: A dual process theory perspective Dhanar Dwi Hary Jatmiko; Ro’ifatun Anisa; Dinawati Trapsilasiwi; Lela Nur Safrida
Journal Focus Action of Research Mathematic (Factor M) Vol. 9 No. 1 (2026): June 2026
Publisher : Universitas Islam Negeri (UIN) Syekh Wasil Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/f_m.v9i1.8407

Abstract

Higher Order Thinking Skills (HOTS) are a central focus in mathematics education; however, students' intuitive thinking in solving HOTS problems on Sequences and Series remains underexplored. This study aimed to describe students' intuitive thinking across the C4–C6 cognitive levels using the indicators of differentiating, attributing, checking, and formulating. A descriptive qualitative approach involved three purposively selected eleventh-grade students identified through HOTS tests and classroom observations. Data were collected through written tests, structured observations, and task-based semi-structured interviews conducted after each problem-solving session to explore students' thinking processes in depth. Data were analyzed through reduction, display, and conclusion drawing, with triangulation across all three sources to ensure validity. Dual Process Theory served as the analytical framework, specifically to examine how System 1 intuitive processes manifest across the four HOTS indicators of differentiating, attributing, checking, and formulating at the C4 to C6 cognitive levels. The findings reveal consistent System 1 dominance across all four indicators, where students bypassed information selection at the differentiating level, failed to connect procedures to contextual purpose at the attributing level, relied on affective judgment rather than logical diagnosis at the checking level, and substituted formula retrieval for original model construction at the formulating level. These patterns suggest that intuitive thinking persists beyond initial responses, extending through strategy selection, verification, and solution formulation. To address this, teachers are encouraged to implement prompted-justification tasks, cognitive-conflict problems, and structured verification routines. Findings are specific to the participants and context studied.
The Development of Interactive E-LKPD Using Wizer.Me On Polyhedron For The Eighth Grade Students Deva Annisa Rahman Navira; Susanto Susanto; Erfan Yudianto; Abi Suwito; Lela Nur Safrida
Pi: Mathematics Education Journal Vol. 8 No. 2 (2025): October
Publisher : Program Studi Pendidikan Matematika Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/pmej.v8i2.11665

Abstract

This research aims to develop an Electronic Student Worksheet (E-LKPD) using the Wizer.Me platform for teaching polyhedron material that meets the criteria of validity, practicality, and effectiveness. The study employed a Research and Development (R&D) approach with the ADDIE model. The E-LKPD was designed based on a guided discovery learning model to help students better understand polyhedron concepts, their interconnections, and applications. Learning activities include matching polyhedron shapes with their names and discovering formulas through the “fill on image” feature in exploration tasks. The research was conducted at SMPN 1 Ledokombo, Jember, involving eighth-grade students as participants. Validation results show that the E-LKPD achieved a validity score (Va) of 3.84, indicating a valid category. The practicality level reached 82%, as evidenced by student response questionnaires, reflecting positive usability and engagement. Furthermore, the E-LKPD demonstrated effectiveness, with 34 out of 43 students achieving classical mastery, meaning more than 75% met the minimum learning standard. These findings indicate that the developed E-LKPD using Wizer.Me effectively supports students’ conceptual understanding and learning outcomes in polyhedron material, providing a valid, practical, and efficient digital learning tool for mathematics education.
The Development of Interactive E-LKPD Using Wizer.Me On Polyhedron For The Eighth Grade Students Deva Annisa Rahman Navira; Susanto Susanto; Erfan Yudianto; Abi Suwito; Lela Nur Safrida
Pi: Mathematics Education Journal Vol. 8 No. 2 (2025): October
Publisher : Program Studi Pendidikan Matematika Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/pmej.v8i2.11665

Abstract

This research aims to develop an Electronic Student Worksheet (E-LKPD) using the Wizer.Me platform for teaching polyhedron material that meets the criteria of validity, practicality, and effectiveness. The study employed a Research and Development (R&D) approach with the ADDIE model. The E-LKPD was designed based on a guided discovery learning model to help students better understand polyhedron concepts, their interconnections, and applications. Learning activities include matching polyhedron shapes with their names and discovering formulas through the “fill on image” feature in exploration tasks. The research was conducted at SMPN 1 Ledokombo, Jember, involving eighth-grade students as participants. Validation results show that the E-LKPD achieved a validity score (Va) of 3.84, indicating a valid category. The practicality level reached 82%, as evidenced by student response questionnaires, reflecting positive usability and engagement. Furthermore, the E-LKPD demonstrated effectiveness, with 34 out of 43 students achieving classical mastery, meaning more than 75% met the minimum learning standard. These findings indicate that the developed E-LKPD using Wizer.Me effectively supports students’ conceptual understanding and learning outcomes in polyhedron material, providing a valid, practical, and efficient digital learning tool for mathematics education.
Co-Authors Abi Suwito Ambarwati, Reza Arika Indah Kristiana Deva Annisa Rahman Navira Dhanar Dwi Hary Jatmiko Dinawati Trapsilasiwi Erfan Yudianto Erfan Yudianto Ridho Alfarisi, Ridho Ro’ifatun Anisa Sari, Maulifa Yunita Susanto Susanto Susanto Susanto