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Rooselyna Ekawati

Department Of Mathematics Education, Universitas Negeri Surabaya

Author-ID : 600460

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Level Kompetensi Digital Mahasiswa Pada Bidang Pemecahan Masalah Sari, Nila Kartika; Budiarto, Mega Teguh; Ekawati, Rooselyna
SJME (Supremum Journal of Mathematics Education) Vol 7 No 1 (2023): Supremum Journal of Mahematics Education
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Singaperbangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35706/sjme.v7i1.6629

This study aims to identify the level of digital competence of Tribhuwana Tunggadewi University students in the area of problem solving. The research subjects were eight mathematics education students in the third and fifth semesters. Data on the digital competency level of the subject was obtained from the results of the mathematical problem solving test, observations during work, and subject interviews. The results showed that the average digital competency level of mathematics education students was at level 3 – 6, and there were no mathematics education students at level 1, 2, 7, or 8.

Students’ Reasoning in Mathematics Learning: How to Solve Problem of Ethnomathematics Based on Personality Putri, Kharisma Dwisinta; Ekawati, Rooselyna; Shodikin, Ali
Journal of the Indonesian Mathematics Education Society Vol. 2 No. 2 (2024): Journal of the Indonesian Mathematics Education Society
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jimes.v2n2.p70-79

Reasoning relates to the extent which students can think about the flow of problem solving. Combined in ethnomathematics so that students know more about mathematical practice through local culture. There was a statement of study say that personality types which reflect differences in a person's way of thinking. This study aims to analyze students' reasoning through ethnomathematics based on personality. The subject taken from grade eight junior high school students were selected, each of whom include in masculine, neutral, and feminist category from personality. Research method applies a qualitative method. Sampling technique applies cluster random sampling. Data collection technique applies documentation, observation, and test method. The result to all of the category that were masculine, neutral, and feminist had same quality enough in perform calculations based on certain rules or formulas, quality good in make conjecture, and quality less in checks the validity of an argument. However they was not duplicate answer. For other researchers may continue similar research by considering another indicator of students’ reasoning to comparison whether there are different result or be better than this research.

Developing Students’ Worksheet of Cuboid and Cube Volume with Realistic Mathematics Education (RME) Oktavia, Siwi Putri; Shodikin, Ali; Ekawati, Rooselyna
Journal of the Indonesian Mathematics Education Society Vol. 3 No. 1 (2025): Journal of the Indonesian Mathematics Education Society
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jimes.v3n1.p33-43

The aim of this study is to develop a Student Worksheet for students of 8th grade SMP of cube and cuboid volume material based on Realistic Mathematics Education (RME) which have valid and practical criteria. It was development research, adapted from the 4D development model. Validation was carried out by material, media, and learning experts. The Student Worksheet developed was tested in a small group test with the subjects of 6 students. The results showed the RME-based Student Worksheet is valid by evidence that an average total score of 3.24 was obtained with a percentage of 80.92%. The assessment by the students was performed in a small group test to test the practicality. From a small group test, an average total score of 3.44 was obtained with a percentage of 86%. Therefore, this RME-based Student Worksheet is valid and practical.

Profil Keterampilan Metakognitif Siswa dalam Menyelesaikan Soal Asesmen Kompetensi Minimum (AKM) Ditinjau dari Kemampuan Matematika Maidah, Maidah; Ekawati, Rooselyna
MATHEdunesa Vol. 14 No. 3 (2025): Jurnal Mathedunesa Volume 14 Nomor 3 Tahun 2025
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v14n3.p987-1008

Metacognitive skills are a person's ability to control their thinking when planning, monitoring, and evaluating their cognitive processes. Students' metacognitive skills that appear when completing minimum competency assessment questions tend to be incomplete. In this case, students need the right strategies to solve these questions. Each student has different thinking processes and problem-solving strategies. One possible cause of this is different levels of mathematical ability. This research is a qualitative research with tests and interview methods that aim to describe students' metacognitive skills in solving AKM problems based on their level of mathematics ability. The subjects of this study were students with high, medium, and low mathematical abilities. Based on the study's results, all indicators of metacognitive skills, ie, planning, monitoring, and evaluation, appeared in subjects with high mathematics ability at every stage of problem solving. Meanwhile, some indicators do not appear completely for students with medium and low mathematics abilities. At the stage of carrying out the plan, the evaluation component was the indicator of metacognitive skills that did not appear in low-ability students. Meanwhile, for students with low mathematics ability, the indicators that did not appear were planning and monitoring in the stages of devising a plan and carrying out the plan.

Pengembangan perangkat pembelajaran skala pada denah berbasis masalah untuk meningkatkan kemampuan pemecahan masalah Diniyah, Eka Nuhayati; Wiryanto, Wiryanto; Ekawati, Rooselyna; Hendratno, Hendratno
Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika Vol 7 No 2 (2021): Jurnal Math Educator Nusantara
Publisher : Program Studi Pendidikan Matematika, Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmen.v7i2.16153

This study aims to describe the process of developing problem-based learning, analyze the results of the device development, describe student's problem solving with problem-based learning on the scale materials on the map. This research uses research and development (R&D) type, namely 4D-Model (Define, Design, Develop, and Disseminate). The developed learning tools are including; lesson plans (RPP), LKPD, and a problem-solving ability test (KPM). The results of the development of the scale learning device on the map is valid, practical and effective. The validity of the learning tools is as follows: the average RPP validation is 3.68 or 91.91% in the valid category; LKPD of 3.39 or 84.75% in the valid category; and the KPM test of 3.12 or 78% in the valid category. Therefore, based on the results of the assessment of the validator, problem-based learning tools can be used for learning activities. Practicality of learning tools: the ability of teachers to manage learning is 3.48 or the percentage of implementation is 87% with the category of good implementation; student activity in learning activities is 97.5%. Therefore, it could be claimed as effective. The effectiveness of learning tools: the percentage of changes in KPM of positive students is 75%; the increase in KPM gets an N-Gain score of 0.59 in the medium category, the completeness of percentage in classical learning is 90% thus, it could be claimed as complete, while the student response in positive learning is in an average score of 97 %. Based on the results of the research on the learning device scale on the problem-based map based on good criteria which is valid, practical and effective so that it can be used for learning activities.

USING THE MOORE'S THEORY TO EXPLAIN PRESERVICE TEACHERS’ DIFFICULTIES IN PROVING OF THE TRIANGLE SUM THEOREM Hartono, Sugi; Siswono, Tatag Yuli Eko; Ekawati, Rooselyna; Bonyah, Ebenezer
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.36349

This study aims to analyze the difficulties of preservice teachers’ in proving the triangle sum theorem. The method of this study is used a qualitative method with 58 of preservice mathematics teacher studying for a Bachelor of Education degree in Universitas Negeri Surabaya, Indonesia. The authors analysed the written responses to a 1 item worksheet and also conducted interviews with seven of the participants. The analysis of the data was guided by Moore’s theory which was used to identify difficulties of preservice teachers’ in proving of the triangle sum theorem. The results showed that still many of preservice teachers still difficulties in proving of the triangle sum theorem. There were 38% of preservice teachers who answered correctly and 62% of preservice teachers answered incorrectly in compiling proof. It was found that several preservice teachers had difficulties in compiling proofs, namely 30 preservice teachers had difficulty understanding the concept, 2 preservice teacher's did not understand the language and mathematical notation and 4 preservice teacher's had difficulty starting the proof. The novelty of this research is introducing a new theoretical analysis related to the difficulty in proving the fundamental theorem of geometry, namely Moore's theory. This study recommends that preservice teacher’s should be given solution through scaffolding to help preservice teacher's understand the concept of proof so that students can compiling proofs with correct.

Pengaruh Model Pembelajaran Pair Cheks Berbasis Tugas Pengajuan Masalah terhadap Kemampuan Pemecahan Masalah Matematis Siswa Muksin Muksin; Tataq Yuli Eko Siswono; Rooselyna Ekawati
Didaktik Matematika Vol 7, No 2 (2020): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jdm.v7i2.17334

The students' problem solving ability is low. One effort that can be done is to implement the pair checks type of cooperative learning. This study aims to determine the effect of the pair checks type of cooperative learning based on the task of problem posing on students' mathematical problem solving abilities. This research is a quasi experimental research. The population of this study were students of grade 8. The sample consisted of two classes selected by random sampling. The instruments used in this study were test and questionnaire. The data were obtained from the results of the post test after implement the pair check type of cooperative learning. Data were analyzed using t-test. The results showed that there was a significant effect of the pair checks type of cooperative learning based on the task of problem posing on students' mathematical problem solving abilitie. In addition, there was a difference in the increase indicated by the N-gain value in the experimental clas. Therefore, the pair checks type of cooperative learning based on the task of problem posingan effect on improving students' problem-solving abilities.

Potensi Microlearning Game dalam Meningkatkan Motivasi Belajar Matematika Siswa Sekolah Dasar Fitri Miftahul Jannah; Wiryanto; Rooselyna Ekawati; Neni Mariana
Didaktika: Jurnal Kependidikan Vol. 14 No. 3 Agustus (2025): Didaktika Jurnal Kependidikan
Publisher : South Sulawesi Education Development (SSED)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58230/27454312.2344

Penelitian ini bertujuan untuk menganalisis potensi penggunaan microlearning game dalam meningkatkan motivasi belajar matematika pada siswa kelas V di SDN 1 Lestari, Kecamatan Patianrowo, Jawa Timur. Penelitian ini menggunakan pendekatan kualitatif dengan desain studi kasus yang melibatkan 28 siswa sebagai subjek penelitian. Teknik pengumpulan data dilakukan melalui observasi, wawancara, dan kuesioner. Hasil penelitian menunjukkan bahwa penerapan microlearning game mampu meningkatkan motivasi belajar matematika siswa secara signifikan. Berdasarkan hasil angket motivasi belajar, terjadi peningkatan skor rata-rata dari 63,5 sebelum intervensi menjadi 82,3 setelah penggunaan game, menunjukkan peningkatan sebesar 18,8 poin. Siswa menunjukkan peningkatan minat terhadap materi, rasa percaya diri yang lebih tinggi, serta penurunan tingkat kecemasan terhadap pelajaran matematika. Elemen-elemen dalam game, seperti tantangan yang berjenjang, sistem penghargaan (rewards), dan umpan balik instan, terbukti efektif dalam meningkatkan keterlibatan dan antusiasme siswa dalam proses belajar. Selain itu, penggunaan game memberikan kesempatan bagi siswa untuk belajar secara mandiri dengan ritme yang sesuai dengan kemampuan masing-masing, sehingga membantu mereka memahami materi dengan lebih baik. Meskipun terdapat beberapa tantangan, seperti kebutuhan untuk menyesuaikan tingkat kesulitan game agar sesuai dengan kemampuan beragam siswa, hasil penelitian ini menunjukkan bahwa microlearning game memiliki potensi besar sebagai media pembelajaran matematika di sekolah dasar. Implikasi praktis dari penelitian ini adalah bahwa guru dapat mengintegrasikan microlearning game sebagai salah satu strategi pembelajaran inovatif berbasis teknologi untuk meningkatkan motivasi dan efektivitas pembelajaran matematika, khususnya pada jenjang pendidikan dasar.

REFLECTIVE THINKING OF JUNIOR HIGH SCHOOL STUDENTS IN SOLVING NUMERACY PROBLEMS VIEWED FROM MATHEMATICAL ABILITY Nisak Ayu Nur Arofah; Rooselyna Ekawati; Abdul Haris Rosyidi
Journal of Mathematics Education and Science Vol. 9 No. 1 (2026): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v9i1.6315

This research aims to explore in depth the reflective thinking processes of junior high school students in solving numeracy problems based on mathematical ability. The study employed a qualitative approach with a case study design involving six female students from class IX H of SMP Negeri 31 Surabaya, consisting of two high-ability students, two medium-ability students, and two low-ability students selected through purposive sampling. Data collection was conducted through the Mathematical Ability Test, the Numeracy Problem Test in an algebraic context, and semi-structured interviews, and the data were analyzed descriptively and qualitatively following the Miles and Huberman model, with source triangulation to ensure data validity. The research findings reveal significant differences in reflective thinking characteristics across mathematical ability categories. High-ability students demonstrated comprehensive reflective thinking with strong metacognitive awareness, capable of accurately identifying variables, flexibly planning strategies, and conducting thorough evaluations, including exploration of alternatives. Medium-ability students had strong foundations in reflective thinking but tended to perform procedural checks without in-depth exploration, indicating a transitional stage in metacognitive awareness development. Low-ability students experienced significant limitations in reflective thinking and metacognitive awareness, exacerbated by low self-confidence. This research concludes that differentiated learning tailored to students' ability levels is necessary: low-ability students require intensive scaffolding, medium-ability students need guidance in transitioning from procedural to strategic reflection, and high-ability students require complex challenges to optimize their metacognitive abilities.

Number Sense and Mental Arithmetic in Terms of Mathematical Ability: A Case Study on Elementary School Students Ade Firma Handriyani Putri; Neni Mariana; Rooselyna Ekawati
Sekolah Dasar: Kajian Teori dan Praktik Pendidikan Vol. 35 No. 1 (2026)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um009v35i12026p100-118

Abstract: This descriptive qualitative case study examines the number-sense and mental-arithmetic profiles of six fifth-grade students across varying mathematical ability levels. Data were collected through written tests, semi-structured interviews, and work documentation, then analyzed using data reduction, display, and verification. Findings revealed that high-ability students demonstrated mastery through flexibility, accuracy, and efficiency. Moderate-ability students met most criteria but showed inconsistencies with complex tasks, while low-ability students faced substantial difficulties and displayed unstable strategies. These results emphasize the necessity of differentiated instruction. To foster foundational numerical competencies, teachers should implement regular mental math activities, such as daily number discussions, to practice flexible estimation. Furthermore, providing scaffolded support—such as gradually reducing the use of scratch paper—is essential for low-ability students to alleviate mental strain and strengthen memory for mental calculations. This structured approach ensures effective development of mathematical proficiency across all student profiles. This approach ensures foundational numerical competencies are developed effectively across all student profiles. Abstrak: Studi kasus kualitatif deskriptif ini mengkaji profil pemahaman bilangan dan perhitungan mental pada enam siswa kelas lima dengan tingkat kemampuan matematika yang beragam. Data dikumpulkan melalui tes tertulis, wawancara semi-terstruktur, dan dokumentasi hasil pekerjaan, kemudian dianalisis dengan metode reduksi, penyajian, dan verifikasi data. Temuan menunjukkan bahwa siswa dengan kemampuan tinggi menunjukkan penguasaan melalui fleksibilitas, akurasi, dan efisiensi. Siswa dengan kemampuan sedang memenuhi sebagian besar kriteria namun menunjukkan ketidakkonsistenan dalam mengerjakan tugas-tugas kompleks, sementara siswa dengan kemampuan rendah menghadapi kesulitan yang cukup besar dan menerapkan strategi yang tidak konsisten. Hasil ini menekankan pentingnya penerapan pembelajaran diferensiasi. Untuk mengembangkan kompetensi numerik dasar, guru sebaiknya menerapkan latihan rutin berhitung di luar kepala tanpa menggunakan alat bantu, seperti diskusi seputar angka, guna melatih kemampuan memperkirakan angka secara fleksibel. Selain itu, pemberian dukungan bertahap—seperti secara bertahap mengurangi penggunaan kertas coretan untuk berhitung—sangat penting bagi siswa dengan kemampuan rendah untuk mengurangi beban mental dan memperkuat daya ingat dalam melakukan perhitungan mental. Pendekatan terstruktur ini memastikan pengembangan kemampuan matematika yang efektif pada semua profil siswa. Pendekatan ini memastikan kompetensi numerik dasar dikembangkan secara efektif pada semua profil siswa.

Co-Authors , JUNAIDI Abdul Haris Rosyidi Ade Firma Handriyani Putri Adika Hanafia Adissya Elma Fitriyah Agung Lukito Agus Prasetyo Kurniawan Ahmad Wachidul Kohar Ali Shodikin Amala, Muhammad Ahsanul ANNISA DWI KURNIAWATI Annisa Rahmita Soemarsono Ariesta Kartika Sari Ariesta Kartika Sari Arif Syabani, Muhammad Arika Celsie Puji Lestari ASFAROH, HIMMATUL Atik Wintarti Auni, Anggita Azizah, Ummah Qurrotul Baehaqi Bakhrul Ulum Bintari Tri Ambarwati Bongtiwon, Daisy Mae R. Bonyah, Ebenezer Cahya Resqueta, Mevianda Citra Cahyaning Pertiwi Darin Fouryza Dava Imadul Bilad Dayat Hidayat Deda, Yohanis Ndapa DEWI HERAWATI Diah Lutfiana Dewi Dian Novita Dinda Putri Dini Kinati Fardah Diniyah, Eka Nuhayati Dwi Juniati Dwi Juniati Dyah Ayu Karindra Oktaviane El Milla, Yulia Izza Elly Matul Imah Endah Budi Rahaju Enggar Eko Prasetiyo enny listiawati, enny Erlyanna Nur Risqi Erna Wati Evangelista Lus Windyana Palupi Fahimuddin, Alfian Farman, Farman Fatimah Anggraini Firmandani Febriani, Indri Rohmatul Fakhri Fiangga, Shofan Findiyani Ernawati Asih Firstian Angger Aprilio Fitri Miftahul Jannah FITRIYAH, NUR Fou-Lai Lin Fou-Lai Lin, Fou-Lai Grisa Fima Nurandika Guntur Trimulyono Haqqi Hidayatullah Hasibuan, Vira Amelia Pratiwi HENDRATNO Herfa Maulina Dewi Soewardini Herfa Maulina Dewi Soewardini Hermina Disnawati, Hermina Hidayanti, Alfi Nur Hodiyanto, Hodiyanto Ihsani, Ulynnuha Aulia Ika Kurniasari Ikamaya Sridarma Dewi INDAH PERMATASARI, AISAH Indrawatiningsih, Nonik Intan Fathimah Ahmadah Ismail Ismail Istiqomah Istiqomah Iva Desi Ruliani Jian-Cheng Chen Kai-Lin Yang Kartikawati, Wahyu Khoirun Nisa Khusnah, Khotimatul Kim, Jeonghyeon Kovács, Zoltán Latifatul Fajriah Lestari, Arika Celsie Puji Lestari, Arika Celsie Puji Lidya Yuni Kartika LINDA DEVI FITRIANA LIVIANANDA, FADHILAH Lupita Wulandari Luthfaturrohmah Luthfaturrohmah Luthfaturrohmah, Luthfaturrohmah Maidah, Maidah Manuharawati Mardiana, Ari Mardiani, Ari MARITARIA, TRISYA MASRIYAH Maulidatul Kurnia Pratiwi Mega Teguh Budiarto MEYTA FITRANI, LINTANG Mubarkah, Resti Elmi Muhamad Arif Mahdiannur Muhammad Ahsanul Amala Muhammad Nanang Ferdiansyah Muhyidin, Kholil Mukhayyarotin Niswati Rodliyatul Jauhariyah Muksin Muksin Murdiana, Tri D. Nadi Suprapto Nanda Sasvira Wulandari Neni Mariana Neni Mariana Neni Mariana Ni'matur Rochmah Nia Diyawati Utami Nila Kartika Sari Nina Prihartiwi Ningtyas, Eka Zulia Nisa', Khoirun Nisak Ayu Nur Arofah Novi Eka Nor Rosidah Nur Rohmah Oktavia Kartikasari, Nur Oktavia, Siwi Putri Oktawioni, Rossa Tri Olivia Khufyatul Adhimah Otaget Daniel Pardamean Daulay Pratiwi, Maulidatul Kurnia Pratiwi, Maulidna Wahyu Purbaningrum, Mayang PURWANINGTYAS, RAHMADITA Putri Pratani, Vista Putri, Hani Rizkia Putri, Hani Rizkia Putri, Kharisma Dwisinta Putri, Sabrina Wimala RADEN SULAIMAN Rahaju, Endah Budi Rama Dina Rania Izzah Ratri Murdy rendy Reni Hartanti Reny Amalia Permata Rika Yuliani Risqi, Erlyanna Nur RUDIANTO ARTIONO, RUDIANTO Safitri, Evilia Eka Salma, Alvis salma Sari Kusuma Dewi Sari, Elok Kartika Sari, Elok Kartika Sari, Ni Putu Novianty Setianingsih, Rini Sifak Indana SILVANIA PUTRI, AUGITA Siti Khabibah Siti M. Amin Siti Maghfirotun Amin Siti Suprihatiningsih Sofro, A'yunin Sofro, A’yunin Sri Adi Widodo Sugi Hartono, Sugi Susanti Susanti Susanti, Gemi Taszkia Aulia Putri Tatag Yuli Eko Siswono Tataq Yuli Eko Siswono Thoiffatul Khusnun Nisa' TITIN SUNARTI Toni Phibeta Trisya Maritaria Tsaniyah, Rohmatus Tuwuh Dwi Putra Wardana Uzlifatul Hasanah Uzlifatul Hasanah Wahyudi Sukur Sugianto Wasis Wasis Wasis Widayanti, Evi WINARSIH, SELAMET Wiryanto Wiryanto Wiryanto Wiryanto Wiryanto Wiryanto Wiwik Endang Setyawati Wulandari, Hilaria Yesieka Ayu Wulanningrum, Annisa Maulidha Yaffi Tiara Trymelynda Yudha, Adinda Salshabilla Yurizka Melia Sari Yurizka Melia Sari Yuslia Fendy, Livi Eka Yusuf Fuad YUSUF FUAD Yusuf Fuad ZELLA TERYANI SURYA, ALWYS Zenithe Wahyudistya

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