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Cholis Sa’dijah

Universitas Negeri Malang

Author-ID : 2388532

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Instrumen asesmen matematika untuk mengases kemampuan berpikir kritis siswa dalam menyelesaikan masalah matematika kelas IX Anwar, Saiful; Sa'dijah, Cholis; Kusumasari, Vita
Jurnal Kajian Pembelajaran Matematika Vol 8, No 2 (2024): JURNAL KAJIAN PEMBELAJARAN MATEMATIKA
Publisher : UNIVERSITAS NEGERI MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um076v8i22024p132-142

The aim of this research is to analyse assessment instruments to assess students' critical thinking abilities in solving IX grade mathematics problems. Instrument analysis takes the form of validity, effectiveness and practicality criteria. The research method used in this research is descriptive qualitative. The subject of this research is the IX graders of Al Rifa Ie Gondanglegi Modern Junior High School. The results of the research show that (1) the assessment instrument received a validity score of 3.045, meaning that the assessment instrument is valid and without revision, (2) the assessment instrument received a practicality score of 3.307, so the developed assessment instrument has high practicality score, (3) the increase of the overall average students' score; among case 1 and case 2, it rises 36.89%, while among case 2 and case 3 it rises 17.38%. According to the improvement criteria set by the researcher, that is 33% < E < 66%, it is considered as a moderate rise value. Therefore, the developed assessment instrument conducted by the researcher is considered as effective assessment instrument. In the end, the instrument Is valid, practical and effective so it is suitable to use in the school.

Empowering students’ numeracy skills: Mathematics teachers’ perceptions regarding the effectiveness and challenges of Indonesian national curriculum and the programs – A mixed method study Hidayah, Irma Rachmah; Sa'dijah, Cholis; Anwar, Lathiful; Yerizon, Yerizon; Arnawa, I Made
Jurnal Infinity Vol 14 No 1 (2025): VOLUME 14, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i1.p163-188

As the Indonesian National Curriculum (INC), the Merdeka curriculum was implemented in response to students' difficulties in comprehending and utilizing basic mathematics, contributing to low numeracy skills. This study investigated mathematics teachers' perceptions in Indonesia concerning the effectiveness of INC and the supporting programs, such as the National Assessment (NA) and Pancasila Student Profile (PSP), in improving students' numeracy skills. It also aimed to identify mathematics teachers' challenges in integrating numeracy skills into the curriculum and these programs. A mixed-method study with a sequential explanatory design was used to achieve this objective. The data collection was carried out through quantitative and qualitative approaches. Closed questionnaires were explicitly used for quantitative data, while open questionnaires and interviews were used for qualitative data. Inferential statistics were used to analyze the quantitative data and a thematic analysis for qualitative data. The quantitative results showed that most teachers positively perceived the effectiveness of INC and the programs in empowering students' numeracy skills. The implementation of INC and PSP significantly influenced the empowerment of numeracy skills. The qualitative analysis provided an in-depth exploration of teachers' perceptions and the challenges faced in promoting numeracy skills in implementing INC and the programs.

Development of mobile augmented reality-based geometry learning games to facilitate spatial reasoning Mandala, Arif Sapta; Anwar, Lathiful; Sa'dijah, Cholis; Zulnaidi, Hutkemri
Jurnal Infinity Vol 14 No 2 (2025): VOLUME 14, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i2.p323-348

Geometry learning requires a comprehensive understanding of spatial reasoning, but students face difficulty in mastering the skill. As a virtual technology, Augmented Reality (AR) offers a solution to overcome the challenges in spatial reasoning with the potential to represent and manipulate objects and develop spatial images mentally. Therefore, this research aimed to develop a mobile educational game named GEMBI AR to support students' spatial reasoning skills in geometry learning. The ADDIE model consists of analysis, design, development, implementation, and evaluation phases used to conduct research and development (R&D). The participants included six expert validators, two mathematics teachers, and eighteen eighth graders. In addition, the expert validators validated GEMBI AR in terms of quality. The result showed that GEMBI AR was valid as a geometry learning tool. According to the feedback of teachers and students, GEMBI AR was practical for educational purposes since the application positively impacted spatial reasoning. Students' spatial reasoning skills were also enhanced to compare the differences in the pre-test and post-test using Wilcoxon (Z = –3.578, p = 0.000 < 0.05). Meanwhile, the N-Gain score of 0.576, showing moderate improvement, reflected gains in spatial perception, mental rotation, and visualization. These findings suggest that GEMBI AR is a functional and valid educational resource useful for helping students develop geometric spatial reasoning. Thus, geometry learning supported by GEMBI AR has the potential to enhance spatial reasoning in secondary school.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i1.p163-188

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i2.p323-348

Adversity quotient of Indonesian prospective mathematics teachers in solving geometry higher-order thinking skills problems Anwar, Lathiful; Sa'dijah, Cholis; Murtafiah, Wasilatul; Huljannah, Miftha
Journal on Mathematics Education Vol. 15 No. 1 (2024): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v15i1.pp79-98

Comprehending and formulating strategies for geometry problems that require higher-order thinking skills (HOTS) is crucial in enhancing mathematics education. This study implements a qualitative case study approach to comprehend how prospective mathematics teachers with varying Adversity Quotients (AQ) solve geometry Higher-Order Thinking Skill (HOTS) problems. We selected 3 participants from 167 Indonesian prospective mathematics teachers to solve the three- and two-dimensional HOTS problems and were invited to an interview session. The three participants represent three types of participants: a climber student (high AQ), a camper student (medium AQ), and a quitter student (low AQ). Our findings show that each student had different responses to deal with the obstacles they faced while solving the problem. The climber student is more adept at solving problems than the camper and quitter students. In addition to identifying specific implications, this study offers a comprehensive understanding of AQ's significant role in solving mathematical problems. This knowledge serves as a concrete foundation for guiding the future advancement of curricula, assessment methods, and instructional approaches in mathematics education, particularly in the field of geometry. This research contributes to enhancing educational practices and policies on a broader scale.

Curriculum and teacher assessment practices in mathematics learning: Alignment with higher order thinking skills in Indonesian secondary schools Zana, Firdha Mahrifatul; Sa'dijah, Cholis; Susiswo; Anwar, Lathiful; Zulnaidi, Hutkemri
Journal on Mathematics Education Vol. 15 No. 4 (2024): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v15i4.pp1311-1334

Higher-Order Thinking Skills (HOTS) are an essential element in education that must be integrated into curricula and classroom assessments. In Indonesia, educational initiatives have increasingly emphasized the incorporation of HOTS into both curriculum design and assessment practices. However, prior research has primarily focused on the challenges faced by teachers in developing HOTS-based assessments and aligning their teaching with curriculum demands. This study aims to investigate how the Indonesian mathematics curriculum integrates HOTS and evaluate the alignment between the curriculum objectives and teacher-developed assessments in fostering HOTS. The study employed a descriptive qualitative approach and was conducted in two Indonesian high schools, one located in an urban area and the other in a regional setting. A total of 15 mathematics teachers from grades ten, eleven, and twelve participated in the research. Data collection methods included focus group discussions, document analysis of mathematics assessments, and semi-structured interviews. The analysis employed Anderson and Krathwohl’s Taxonomy to categorize cognitive levels. Findings reveal that the Indonesian Mathematics Curriculum predominantly emphasizes Low-Order Thinking Skills (LOTS), and teacher-developed assessments are largely aligned with these LOTS-focused objectives. Furthermore, even when curriculum indicators aim to target HOTS, teachers often struggle to design assessments that effectively evaluate students’ higher-order cognitive abilities. These findings highlight a significant gap between curriculum goals and the practical implementation of HOTS in assessments. The results provide valuable insights for curriculum developers, suggesting the need for a curriculum redesign that places greater emphasis on HOTS. Additionally, the study underscores the importance of professional development initiatives to equip teachers with the skills necessary to design and implement HOTS-based assessments. This research contributes to advancing educational practices and policies that prioritize the integration of HOTS into teaching and assessment frameworks.

Developing adaptive digital book (ADB) in enhancing students’ numeracy literacy ability Yerizon, Yerizon; Arnellis, Arnellis; Suherman, Suherman; Arnawa, I Made; Sa'dijah, Cholis; Anwar, Lathiful
Jurnal Infinity Vol 14 No 3 (2025): VOLUME 14, NUMBER 3, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i3.p571-586

Numeracy literacy is essential for students to solve interrelated problems across various subjects. However, students' numeracy literacy skills remain low, necessitating innovative learning resources. This research focuses on designing an Adaptive Digital Book (ADB) that is claimed to be valid, practical, and effective in improving students' numeracy literacy. This study adopted a design research approach in the context of development studies, which included two main phases: the preliminary phase and the formative evaluation phase, which included self-evaluation, expert evaluation, and iterative evaluation (one-to-one, small group, and field test). Quantitative and qualitative data were gathered through assessment of numeracy literacy, interviews, and distributing questionnaires. Results showed that ADB is practical and effective in its validity as well as in meeting the requirements of students with different learning needs. The combination of multimedia elements like videos caters to visual and auditory learners, which helps improve their numeracy literacy skills.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i3.p571-586

Teaching higher-order thinking skills in mathematics classrooms: Gender differences Sa’dijah, Cholis; Murtafiah, Wasilatul; Anwar, Lathiful; Nurhakiki, Rini; Cahyowati, Ety Tejo Dwi
Journal on Mathematics Education Vol. 12 No. 1 (2021): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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

This case study aims to explore how male and female Indonesian mathematics teachers enact decision-making processes in teaching High-Order Thinking Skills (HOTS). Non-random purposive sampling technique was used to select the participants. The participants involved in this study were two Indonesian mathematics teachers who teach HOTS in their classrooms. The participants were chosen from 87 Indonesian mathematics teachers in 23 secondary schools in East Java, Indonesia, who were invited to our survey and confirmed that they taught HOTS and underwent classroom observation. Data were collected from classroom teaching and interview sessions. The data of classroom teaching consisted of a video-audio recording of two meetings and field notes of observation. In the interview session, we recorded the teachers’ responses during semi-structured interviews. We coded and explained our interpretation for each code. We also conducted investigator triangulation by comparing coding and interpretation made by two researchers and discussing them to find the best representation of the meaning of the data. Our findings indicate that both male and female teachers performed four steps of decision making, consisting of giving problems, asking students to solve, checking, and obtaining new ideas. The difference of male and female teachers’ decision-making process is observed in the process of giving problem (non-contextual vs contextual), how they ask students to solve and check the solution (individual vs group), and the criteria of the new idea of problem-solving (correct vs the best solution). The study findings can be a catalyst for enacting decision-making steps in teaching HOTS. Also, these can be a reflective practice for mathematics teachers to improve their teaching quality.

Co-Authors Abdul Halim Abdullah Abdul Haris Rosyidi Abdul Jamil Abdul Jamil Abdullah, Abdul Halim Abdur Rahman As’ari Abdur Rohim, Abdur Agus Hidayat Agus Setiawan Agus Setiawan Ahmad Farid Haebah Ahyansyah, Ahyansyah Ainun Naziya Rohmah Akhmad Riandy Agusta Akmalia, Yuyun ALFARIS, RENALDY Alfiani Athma Putri Rosyadi Alifiana Mareta Anggara Dwinata Anita Dewi Utami Aprilia Dwi Mayangsari Aribowo, Bayu Exsanty Arif Yunet Priyo Tatagno Arik Murwanto Ariyadi Wijaya Arnellis, Arnellis Asih Kurnia Asih Aulia Al Tsani Izzati Aynin Mashfufah Azizah Nur Laily Rahmawati Bagus Cahyanto Chusnul Ma'rifah Chusnul Ma'rifah Dedi Kuswandi Deni Hamdani Desyandri Desyandri Dewi Astutik Dewi Astutik Dewi, Aulia Rahma Dian Wardhani Dyah Triwahyuningtyas Dyah Triwahyuningtyas Dyaswardani, Hapsari Eddy Sutadji Edy Bambang Irawan Eka Damayanti Eka Damayanti Eko Waluyo Emy Yunita Rahma Pratiwi, Emy Yunita Rahma Erry Hidayanto Ery Tri Djatmika RWW Ety Tejo Dwi Cahyowati Fatikh Inayahtur Rahma Fimmatur Rizka Ardina Fimmatur Rizka Ardina, Fimmatur Rizka Firdaus Dyah Utami Firdha Mahrifatul Zana Firdha Mahrifatul Zana Firman Tsabbit Abqari Fithriyah, Inayatul Fitri Kumalasari Flavia Aurelia Hidajat, Flavia Aurelia Galuh Putri, Yuniar Heksaria Hajjah Rafiah Hajjah Rafiah Handayani, Ucik Fitri Hanurawan, Fattah Heni Pujiastuti Henry Praherdhiono Herawati Susilo Heri Purnomo Heri Setiawan Heri Susanto Herti Prastitasari Hery Susanto Hery Susanto Hidayah, Irma Rachmah Himmatul Ulya Huljannah, Miftha Husniyah, Hana Kholifatul I Ketut Suada I Made Arnawa I Made Sulandra I Nengah Parta I Nyoman Sudana Degeng I Wayan Dasna Ika Ratih Sulistiani Imam Rofiki Imelda Dastania Pradani Imro'atul Mubarokah Imro'atul Mubarokah Indriati Nurul Hidayah Intan Sari Rufiana Istiqomah, Roshydatul Itsnaniya Fatwa Nurani Khafidhoh Nurul Aini Khalimatus Syuhriyah Khusnil Khatimah Khusnul Khotimah Kristayulita Kristayulita Kumala, Shifni Afida Kusumaningtyas, Nopem Labuem, Susana Lathiful Anwar Latifah, Eka Ratna Anjanuarti Laurentcia Noviafta Widya Lenita Puspitasari Luluk Faridatuz Zuhroh Luluk Wahyu Nengsih M. Misbachul Huda Maimunah Maimunah Maimunah Makbul Muksar Mandala, Arif Sapta Martini Dwi Purnama Maulidiyah Tutut Nurjanah Mega Fatimah Rosana Mei Dwi Jayanti Miftha Huljannah Mila Sekar Ayu Mohamad Aminudin Mohammad Akbar Mubarokah, Imro'atul Muhammad Ainur Rizqi Muhammad Kharis Muhammad Noor Kholid Muhana Gipayana Muhana Gipayana Muhana Gipayana Mujiyem Sapti Mujiyem Sapti Mukhlis Mukhlis Mulia, Abigail Christina Murpratiwi, Gendis Murwanto, Arik Nafi Isbadrianingtyas Nazila Naf’atu Fina Nita Retno Wahyuningati Novi Rahmadhani Putri Novitasari, Herawati Nugraheni, Dinda Dwi Nur Inayah Ahlan Nur Kharisma Widya Agustin Nur Roudlotul Jannah Nurrahmawati Nurrahmawati Nurrahmawati Nurul Audhifa Utami Oktaviana, Lucky Tri P Purwanto Permadi, Hendro Pity Asriani Pratiwi, Nike Punaji Setyosari Purnomo, Purnomo Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Purwosetiyono, Fransiskus Xaverius Didik Puspitasari, Septi Putri, Novi Rahmadani Qohar, Abd. Radeni Sukma Indra Dewi Rahmawati, Azizah Nur Laily Ramdhan Fazrianto Suwarman Ratna Ekawati Ratri Rahayu Renika Arisinta Resyarusyda Parandrengi Ria Norfika Yuliandari Rini Nurhakiki Risa Utaminingsih Rizka Riana Rizka Zulvana Wardhani Rizky Nova Damayanti Rizqi, Muhammad Ainur Rustanto Rahardi Sa'dun Akbar Saad, Muhamad Ikhwan Mat Saiful Anwar Saputri, Risma Rintias Sari, Feti Eka Ratna Sari, Marinda Rosita Satrio Agung Prabowo Sepharyanto Sepharyanto Sisworo Sisworo, S Siti Chusnia Siti Lailiyah Siti Salina Mustakim Slamet Arifin Slamet Arifin Sri Rahayuningsih Sri Subarinah Styo Mahendra Wasita Aji Subanji Subanji Subanji Suci Zuhriati Sudirman Sudirman Sudirman Sudirman Sudirman Suherman, Suherman Sukoriyanto Sumarmi Susiswo Suwanti, Vivi Suwito, Ruth Widyati Swasono Rahardjo Syadidah, Pratama Fitri Syaiful Hadi Syamsul Hadi Syifa’ul Amamah Tatik Retno Murniasih Titik Harsiati Tjang Daniel Chandra Tomi Listiawan Toto Nusantara Vinarahmah, Aula Rizqi Vita Kusumasari Wahyu Nurlaili Wasilatul Murtafiah Widi Ardianto Widya, Laurentcia Noviafta Wikan Budi Utami Yerizon Yerizon Yudhi Hanggara Zana, Firdha Mahrifatul Zukhrufurrohmah, Zukhrufurrohmah Zulnaidi, Hutkemri

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