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Yus Mochamad Cholily

Universitas Muhammadiyah Malang

Author-ID : 2413217

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Problem-Based Learning and Social Emotional Analysis of Students' Written Math Communication Nasuwa Mufidah, Evita; Cholily, Yus Mochamad; Athma Putri Rosyadi, Alfiani; In'am, Akhasul
Mosharafa: Jurnal Pendidikan Matematika Vol. 14 No. 1 (2025): January
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v14i1.2698

Penelitian ini bertujuan untuk menganalisis komunikasi matematika tertulis siswa kelas VIII SMP terhadap materi kongruensi konstruksi segitiga. Pengumpulan data dilakukan melalui dua metode, yaitu tes tertulis untuk mengukur komunikasi matematis dan observasi untuk menilai aspek sosial-emosional siswa dengan menggunakan model pembelajaran berbasis masalah. Penelitian ini menggunakan metode deskriptif dengan pendekatan kualitatif. Teknik analisis data dilakukan melalui reduksi data, penyajian data, dan penarikan kesimpulan, dengan klasifikasi berdasarkan kategori tinggi, sedang, dan rendah dalam indikator komunikasi matematis. Berdasarkan hasil analisis, siswa dengan tingkat sosial-emosional yang tinggi menunjukkan komunikasi matematis yang tinggi, memungkinkan mereka untuk mengekspresikan dan menafsirkan ide matematika secara tertulis serta menggunakan simbol matematika dalam pemecahan masalah. Sebaliknya, siswa dengan tingkat sosial-emosional rendah menunjukkan kesulitan dalam mengekspresikan ide-ide matematika secara tertulis. Simpulan dari penelitian ini menunjukkan bahwa terdapat hubungan antara tingkat sosial-emosional dengan kemampuan komunikasi matematis siswa. Implikasinya, guru perlu mempertimbangkan integrasi pendekatan sosial-emosional dalam pembelajaran untuk meningkatkan komunikasi matematis siswa secara optimal dan merata. This study aims to analyze the written mathematical communication of eighth-grade junior high school students regarding the topic of triangle construction congruence. Data collection was conducted through two methods: a written test to measure mathematical communication and observation to assess students' socio-emotional aspects using a problem-based learning model. This study employed a descriptive method with a qualitative approach. Data analysis techniques were carried out through data reduction, data presentation, and drawing conclusions, with classification based on high, medium, and low categories in mathematical communication indicators. Based on the analysis results, students with high socio-emotional levels demonstrated strong mathematical communication, enabling them to express and interpret mathematical ideas in writing and use mathematical symbols in problem-solving. Conversely, students with low socio-emotional levels showed difficulty in expressing mathematical ideas in writing. The conclusions of this study indicate a relationship between socio-emotional levels and students' mathematical communication abilities. Consequently, teachers need to consider integrating socio-emotional approaches into learning to optimally and equitably improve students' mathematical communication.

ANALYSIS OF VERBAL MATHEMATICAL COMMUNICATION IN OPEN-ENDED PROBLEM SOLVING Susilowati, Indri; Yus Mochamad Cholily; Alfiani Athma Putri Rosyadi; Akhsanul In'am
Jurnal Tunas Pendidikan Vol. 8 No. 1 (2025): JURNAL TUNAS PENDIDIKAN
Publisher : LPPM Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/pgsd.v8i1.3321

The ability to communicate mathematical ideas orally is crucial for studying mathematics. One way to measure oral communication skills is by presenting an open-ended problem to students. This study aims to illustrate how students solve open-ended issues using oral mathematical communication skills. The methodology is a qualitative descriptive study; the subject of the research is grade VIII junior high school students with low, medium, and high levels of mathematical ability to communicate when working on open-ended problems. From this study, students who have a low level of communication ability have not met all the indicators optimally, because the understanding of symbols and their use is still weak. Students in the medium level that satisfy the markers of mathematical communication, because the notation used is appropriate and consistent and students can provide concise, clear, and thorough explanations. Students with high categories meet all indicators very well, because they are able to use complete and accurate mathematical symbol and students can provide concise, clear, and reflective explanations. Students in lower categories' have not fully satisfied all of the requirements for mathematical communication. The medium-level pupils satisfy the requirements for mathematical communication. Students with high categories meet all mathematical communication indicators very well.

Optimalisasi Pakan Ikan Mandiri melalui Teknologi Recirculating Aquaculture System (RAS) Berbantuan Solar Cell di Desa Parangargo Cholily, Yus Mochamad; Effendy, Machmud; Indrawan, Rindya Fery; Subairi, Subairi; Suwandayani, Beti Istanti; Hakim, Riza Rahman
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 5, No 4 (2025): Abdira, Oktober
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v5i4.1101

Waste management issues in Serang Regency, particularly in Desa Cerukcuk, have become a major concern due to the increasing volume of waste that polluting rivers, roadsides, and residential areas. To date, Serang Regency does not have land or facilities for a permanently operating Final Waste Disposal Site (TPSA). This situation has significant environmental impacts and indicates a gap between infrastructure needs and policy implementation practical reality. This study aims to evaluate the commitment of the Serang Regency This community service program focuses on optimizing independent fish feed production through the implementation of a Recirculating Aquaculture System (RAS) combined with a mini Solar Power Plant (PLTS) in Parangargo Village, Wagir District, Malang Regency. The program was designed to address the challenges of high commercial feed costs and dependence on grid electricity that have burdened local fish‐farming groups. The activities included socialization, training in independent fish feed production, installation of the RAS and mini PLTS technologies, business management mentoring, and outcome evaluation. The results show that energy efficiency increased by 20–30% after the installation of the mini PLTS, while feed costs decreased by 10–15% due to the availability of self-produced fish feed. The RAS technology also improved water quality and reduced fish mortality, leading to approximately a 10% increase in production per cycle. Moreover, the managerial and digital marketing skills of the partner groups—“Minaargo” Fish Farming Group and “Matoon” Youth Organization—significantly improved. This program strengthens the village’s food and energy independence and supports the achievement of the university’s Key Performance Indicators.

Instructional design: urgensi kurikulum budaya berbasis muatan lokal kabupaten Lembata Nusa Tenggara Timur Cholily, Yus Mochamad; Baiduri, Baiduri; Restian, Arina; Suwandayani, Beti Istanti; Deviana , Tyas; Kuncahyono; Herviani, Vivi Kurnia
Taman Cendekia: Jurnal Pendidikan Ke-SD-an Vol 6 No 2 (2022): Desember 2022
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/tc.v6i2.13676

Local content learning has yet to be fully implemented administratively in Lembata District. This condition is because Lembata Regency has a variety of cultures in each District. Several examples of the use of regional languages have a type with unique and distinctive nuances. This research aims to produce a curriculum set product equipped with a lesson plan (RPP) that accommodates learning in the context of local culture. This research is a research and development with the ASSURE model. The test subjects (users) in this study were teachers and fourth-grade students at SD Naga Wutung District, Lembata Regency. Data was collected using a curriculum expert validation questionnaire and a test questionnaire for users (teachers and students). The results of the data findings were then processed and analyzed descriptively. Based on the validation results of curriculum experts, a score of 83% was obtained with valid criteria and feasible to use. Based on user trials (teachers and students), a score of 85% was obtained with applicable standards but needed to be supplemented with other teaching media in the form of technology-based media. Implementing Lembata District's culture-based curriculum implies that teachers can implement learning and develop learning tools based on cultural curriculum offerings under the applicable curriculum. Keyword: Independent Curriculum; Cultural Curriculum; Local Content; Lembata Regency; East Nusa Tenggara

Analyzing Students' Mathematical Communication Ability in Solving Numerical Literacy Problems Rahmawati, Annisa; Cholily, Yus Mochamad; Zukhrufurrohmah
Mosharafa: Jurnal Pendidikan Matematika Vol. 12 No. 1 (2023): January
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v12i1.752

Masih perlu ditingkatnya kemampuan komunikasi matematis siswa, menunjukkan bahwa perlu adanya analisis yang baik dan tepat untuk merancang langkah perbaikan yang efektif. Analisi kemampuan komunikasi matematis dapat memberikan deskripsi yang jelas berkaitan dengan kemampuan komunikasi matematis siswa. Oleh karena itu, tujuan dari penelitian ini adalah untuk mendeskripsikan kemampuan komunikasi matematis siswa dalam menyelesaikan soal berciri literasi numerasi. Subjek penelitian ini adalah 6 siswa kelas VIII-B SMP Negeri 1 Pasrujambe. Metode yang digunakan dalam penelitian ini menggunakan pendekatan kualitatif dengan jenis penelitian deskriptif. Instrumen yang digunakan dalam penelitian ini adalah lembar tes tulis dan lembar pertanyaan tes lisan. Penelitian ini dilakukan melalui tahapan perencanaan, pelaksanaan dan tahap akhir. Teknik analisis data dalam penelitian ini terbagi menjadi tiga tahapan yaitu reduksi data, penyajian data, dan penarikan kesimpulan. Hasil dari penelitian diperoleh 4 kategori, antaralain: siswa dengan kemampuan komunikasi matematis tulis sedang dan komunikasi matematis lisan tinggi, siswa dengan kemampuan komunikasi matematis tulis sedang dan komunikasi matematis lisan sedang, siswa dengan kemampuan komunikasi matematis tulis rendah dan komunikasi matematis lisan sedang, serta siswa dengan kemampuan komunikasi matematis tulis rendah dan komunikasi matematis lisan rendah. The necessity to improve students' mathematical communication skill indicates that a good and appropriate analysis is required to design effectively corrective measures. An analysis of mathematical communication skills could provide convinced descriptions related to students' mathematical communication abilities. Therefore, the purpose of this study was to describe students' mathematical communication abilities in solving numerical literacy questions. The participants of this study were six students of class VIII-B of SMP Negeri 1 Pasrujambe. The method used was a qualitative approach, specifically descriptive research. This study utilized written test sheets and oral test question sheets. This study was conducted through the stages of planning, executing, and finalizing stage. The data analysis technique was divided into three stages, namely data reduction, data presentation, and drawing conclusions. The results of the study obtained 4 categories, including students with moderate written mathematical communication skills and high oral mathematical communication, students with moderate written mathematical communication skills and moderate oral mathematical communication skills, students with low written mathematical communication skills and moderate oral mathematical communication as well as students with low written mathematical communication skills and low oral mathematical communication skills.

Development of Missouri Mathematics Project Learning Worksheet to Improve Mathematical Communication and Critical Thinking Skill Wulandari, Alfianti Puspita; Cholily, Yus Mochamad; Ummah, Siti Khoiruli
Jurnal Pendidikan MIPA Vol 23, No 1 (2022): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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

This study aims to develop a valid, effective, and practical mathematics learning tool. This study aims to develop student worksheets based on mathematical communication and critical thinking on data presentation material. The type of research conducted by researchers is research and development (R&D). This worksheet development model uses 4-D, namely the model from Thiagajar, among others: Define (defining), Design (design), Develop (development), Disseminate (deployment). Based on the purpose of this study, the worksheet develop by the researcher was declared valid with a final score of 3.89 which was obtained from the validation sheet of all instruments given to the two validators, namely lecturers and teachers and showed that it was feasible to be tested on students. The worksheets developed by the researchers were stated to be very practical with a final score of 84,93%, meaning that the worksheets were easy to use and achieved the learning objectives that had been determined. The worksheet developed by the researchers showed a very effective category with an average final score of 5.86% and an average N-Gain score of 0.55 and the percentage of N-gain scores was 55.73% with a moderate improvement category, meaning that the worksheet had influence on students so as to bring results in achieving learning objectives.Keywords: students’ worksheet, Missouri mathematics project, mathematical communication, critical thinking.DOI: http://dx.doi.org/10.23960/jpmipa/v23i1.pp57-66

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

This study aims to develop a valid, effective, and practical mathematics learning tool. This study aims to develop student worksheets based on mathematical communication and critical thinking on data presentation material. The type of research conducted by researchers is research and development (R&D). This worksheet development model uses 4-D, namely the model from Thiagajar, among others: Define (defining), Design (design), Develop (development), Disseminate (deployment). Based on the purpose of this study, the worksheet develop by the researcher was declared valid with a final score of 3.89 which was obtained from the validation sheet of all instruments given to the two validators, namely lecturers and teachers and showed that it was feasible to be tested on students. The worksheets developed by the researchers were stated to be very practical with a final score of 84,93%, meaning that the worksheets were easy to use and achieved the learning objectives that had been determined. The worksheet developed by the researchers showed a very effective category with an average final score of 5.86% and an average N-Gain score of 0.55 and the percentage of N-gain scores was 55.73% with a moderate improvement category, meaning that the worksheet had influence on students so as to bring results in achieving learning objectives.Keywords: students’ worksheet, Missouri mathematics project, mathematical communication, critical thinking. DOI: http://dx.doi.org/10.23960/jpmipa/v23i1.pp57-66

Students’ Relational Thinking and Mathematical Communication in Contextual Problem-Solving in Muhammadiyah Junior High School 8 Batu Aulia, Syafirda Azmi; Cholily, Yus Mochamad; Ummah, Siti Khoiruli; Mustakim, Siti Salina
Jurnal Pendidikan Progresif Vol 14, No 1 (2024): Jurnal Pendidikan Progresif
Publisher : FKIP Universitas Lampung

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

Abstract: Students' Relational Thinking and Mathematical Communication in Contextual Problem-Solving in Muhammadiyah Junior High School 8 Batu Objective: This research aims to describe students' relational thinking and mathematical communication processes in solving mathematical problems using contextual problems in curved geometric shapes. Method: This research uses qualitative research methods by collecting data using relational thinking tests, written mathematical communication, and interviews to determine oral mathematical communication. The research instruments used in this research were relational thinking tests, written mathematical communication, and interview guidelines. The subjects of this research were junior high school students in the IX class. The data analysis is a test and interview results, then conclusions are drawn. Findings: The research results show that the dominant students were in the medium category after carrying out tests on relational thinking and written mathematical communication. Conclusion: In the analysis of oral communication thinking, the results showed that students who were in the low category in relational thinking processes were still unable to fulfill several indicators; apart from that, students were still not able to communicate mathematically, but in mathematical oral communication they were in the medium category. Meanwhile, students in the moderate category of relational thinking processes can only fulfill several indicators and must be able to communicate mathematically. Still, according to the analysis of mathematical oral communication, they are classified as good. Students in the high category of relational thinking processes are just unable to build complete relationships and can communicate mathematically well. Keywords: relational thinking, mathematical communication, contextual problems.DOI: http://dx.doi.org/10.23960/jpp.v14.i1.202442

Proses Sistematisasi dalam Pembuktian Matematika Cholily, Yus Mochamad; Sulfiah, Sitti Karimah; Kusgiarohmah, Putri Ayu
AKSIOMA : Jurnal Matematika dan Pendidikan Matematika Vol 11, No 1 (2020): AKSIOMA: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/aks.v11i1.5207

Mahasiswa sebagai calon guru harus memiliki kemampuan dalam melakukan pembuktian matematis. Kemampuan tersebut berfungsi untuk meyakinkan seseorang akan suatu rumus ataupun teorema. Semakin tinggi kemampuan mahasiswa dalam melakukan pembuktian akan berdampak pada peningkatan keterampilan pembuktian matematika siswa. Secara umum metode pembuktian yang dikenal oleh siswa adalah pembuktian secara langsung dan tidak langsung. Tujuan dari penelitian ini adalah untuk mengetahui kemampuan mahasiswa dalam melakukan pembuktian ditinjau dari proses sistematisasi. Penelitian ini juga bertujuan untuk mengetahui faktor apa saja yang mempengaruhi kemampuan siswa dalam melakukan pembuktian matematis. Penelitian ini dilakukan dengan menggunakan pendekatan kualitatif. Hasil penelitian yang dijelaskan secara deskriptif menunjukkan bahwa kemampuan pembuktian mahasiswa ditinjau dari proses sistematisasi masih lemah, mahasiswa belum memahami perbedaan antara rumus, definisi, teorema ataupun sifat. Selain itu, mahasiswa juga belum mengaitkan definisi, sifat, ataupun teorema yang relevan dengan pembuktian yang dilakukan. Akibatnya mahasiswa menyelesaikan soal dengan cara coba-coba. Salah satu faktor yang mempengaruhi hal tersebut yaitu kurangnya latihan dalam mengerjakan soal yang berbasis pembuktian matematika.

DISEMINASI PAKAN MANDIRI PADA BUDIDAYA IKAN BERBASIS TEKNOLOGI RESIRCULATING AQUACULTURE SYSTEM (RAS) BERBANTUAN SOLAR CELL DI DESA PARANGARGO Cholily, Yus Mochamad; Effendy, Machmud; Indrawan, Rindya Fery; Subairi, Subairi; Hakim, Riza Rahman; Suwandayani, Beti Istanti
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 5 No. 5 (2024): Vol. 5 No. 5 Tahun 2024
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v5i5.36270

Kegiatan pengabdian ini bertujuan untuk meningkatkan produktivitas dan efisiensi budidaya ikan di Desa Parangargo, Kecamatan Wagir, Kabupaten Malang, melalui diseminasi pakan mandiri dan penerapan teknologi Recirculating Aquaculture System (RAS) berbantuan solar cell. Permasalahan yang dihadapi petani ikan di desa ini adalah tingginya biaya pakan komersial dan energi yang berdampak pada rendahnya hasil budidaya. Metode pengabdian yang digunakan meliputi pelatihan, demonstrasi, dan pendampingan kepada petani ikan dalam memproduksi pakan mandiri dan mengoperasikan sistem RAS yang hemat energi. Hasil pengabdian menunjukkan bahwa penggunaan pakan mandiri mampu menurunkan biaya produksi sebesar 30%, sementara penerapan RAS berbantuan solar cell meningkatkan efisiensi penggunaan air hingga 40% dan mengurangi ketergantungan pada energi listrik konvensional. Pengabdian ini memberikan dampak positif terhadap peningkatan kesejahteraan petani ikan serta keberlanjutan budidaya ikan di daerah tersebut.

Co-Authors Aba, Maria Martini Abdul Latief Abdulkadir Rahardjanto Abdulkadir Rahardjanto, Abdulkadir Achmad Mutaqin Aci Maria Jehaut Putri Adellia Devi Windasari Adimas Eko Permadi Afiful Ikhwan Agus Subaidi Agus Subaidi, Agus Ahsan Hakim Ahsanul Inam Akhmad Syahwanul Karim Akhsanul In'am Alfiani Athma Putri Rosyadi Alfianti Puspita Wulandari Amalia, Selvi Andriyana Andriyana Anis Farida Jamil Annisa Rahmawati Annisa Rahmawati Arfida Boedirochminarni Arina Restian Artadana, Ida Bagus Made Astutik, Heny Sri Athma Putri Rosyadi, Alfiani Aulia, Syafirda Azmi Azhari Azhari Azizah, Farida Nur Baiduri Baiduri Beti Suwandayani Choirudin, Choirudin Devi Nurtria Sandy Deviana , Tyas Dhema, Magdalena Dita Latifatu Syarifah E. T. Baskoro Erma Dwi Fatmasari Erviani Ratna Ningtyas Etika Susilowati Faizah Nurbani Wisnu Putri Farida Nur Azizah Fiqri, Cindy Indra Amirul Hendarto Cahyono Heny Sri Astutik Herdiansyah Herdiansyah Herdiansyah Herdiansyah Herviani, Vivi Kurnia Ilham Muhammad Ilham Muhammad Imamuddin In'am, Akhasul Indrawan, Rindya Fery In’am, Akhsanul In’am, Akhsanul JANUARDI, Ega Jihan Azizah Al-Hanifah Kafifah, Anisa Kamil, Tika Rifky Khoiriyah, Makrifatul Khozin Khozin Khozin, Khozin Kuncahyono Kuncahyono Kurniawati, Wiwit Kusgiarohmah, Putri Ayu Kusumawardhana, Adi Slamet Laila, Alfi Rachma Nisfi Lailiyah, Ummi Badriyatul Lana Fadhila Lelly Nur Rachmawati Lovat, Terence Lubis, Mutiara M Arfan Muammar Machmud Effendy Machmud Effendy Machmud Effendy Machmud Effendy Marhan Taufik Maryanto, Bhaskoro Prasetyo Adi Masduki Masduki Masduki Masduki Masduki Masduki Maslakha Diniya, Qori' Mayang Dintarini Mayang Dintarini Meinar Yuari Salsabil Minatun Nadlifah Moh. Mahfud Effendi Mohammad Syaifuddin Muhammad Nabil Hibatullah Muhammad Rizki Cahyadi Muhammad Sofyan Ats-Tsauri Mukhammad Danisworo Murdiyanto, Murdiyanto Mustaqim Mustaqim, Mustaqim Nasuwa Mufidah, Evita Nia Dwi Mawanti Ninik Diah Wulandari Niswatun Hasanah Niswatun Hasanah Nor Hasan Pandu Mayang Seto Permadi, Adimas Eko Poncojari Wahyono PR, Alfiani Athma Puji Sumarsono Putri Ayu Kusgiarohmah Putri Ayu Kusgiarohmah Putri, Octavina Rizky Utami Rahma, Kamilia Rahmad Sugianto Rahmah, Kamilia Rahman, Anisur Rani Darmayanti Ratau, Asria Ribut Wahyu Eriyanti Rini Mastuti Riza Hakim Riza Rahman Hakim Rizal Dian Azmi Rizka Abdillah Salsabil, Meinar Yuari Samsul Hidayat Sekaryanti, Ridina Siti Inganah Siti Khoiruli Ummah Siti Khoiruli Ummah Siti Khoiruli Ummah Siti Nur Hasanah Siti Salina Mustakim Siti Salina Mustakim Siti Salina Mustakim Sitti Karimah Sulfiah Subairi Subairi Suciati, Nur Sulfiah, Sitti Karimah Sulfiah, Sitti Karimah Sulis Setyowati Sumadi, Suhartini Susilowati, Indri Suwandayani, Beti Istanti Syafirda Azmi Aulia Syarifah, Dita Latifatu Teguh Santoso Terence Lovat Usmiyatun Usmiyatun Wardani, Shafanda Setya Wenny Novita Sari Worowirastri E., Dyah Wula, Zainur Wulandari, Alfianti Puspita Wulandari, Firnanda Safira Yuni Pantiwati Yustiani, Novita Rizki Zukhrufurrohmah Zukhrufurrohmah Zukhrufurrohmah Zukhrufurrohmah, Zukhrufurrohmah

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