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Yus Mochamad Cholily

Universitas Muhammadiyah Malang

Author-ID : 2413217

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MATHEMATICS COMMUNICATION MISTAKES IN SOLVING HOTS PROBLEMS Lelly Nur Rachmawati; Yus Mochamad Cholily; Zukhrufurrohmah Zukhrufurrohmah
Jurnal Infinity Vol 10 No 1 (2021): VOLUME 10, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v10i1.p69-80

Student mistakes in communicating mathematical ideas are still widely practiced. Therefore, it is essential to analyze students' mathematical communication errors in solving mathematical problems so that learning planning can be better. This study aims to describe students' mathematics communication errors in solving higher-order thinking skills in linear algebra and matrix subject. The type of research is a qualitative descriptive study. They were 155 students as subject research. The data analysis started by collecting students' answers and then grouped them according to mathematics communication skills criteria. Later identified and analyzed the errors made by students of each mathematics communication criteria. The results showed that mathematical communication errors on the indicators of writing mathematical situations were concept errors and principle errors. The declaring idea's mathematical communication error is a concept error, a principle error, and an operation error. Furthermore, mathematical communication errors on the indicator state that solving-problem using the language itself is a concept error and operator error.

Literasi Matematika di Era 4.0 Cholily, Yus Mochamad
Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya 2019: Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (550.51 KB)

Bentuk Pendidikan di Indonesia sekarang sudah berevolusi menjadi yang lebih baik. dengan berbagai platform yang ada seperti C-Learning, D-Learning, B-Learning, E-Learning, ??-Learning. dengan perubahan yang ada sangat membantu pendidikan kedepannya. dengan Standar Pendidikan Guru; Pendidikan profesi merupakan pendidikan tinggi setelah program sarjana yang mempersiapkan peserta didik untuk memiliki pekerjaan dengan persyaratan keahlian khusus .(Penjelasan Pasal 15 UU20/2003 Sisdiknas)Pendidikan Profesi Pasal 8 UU 14/2005 ttg Guru & Dosen Guru wajib memiliki kualifikasi akademik , kompetensi , sertifikat pendidik , sehat jasmani dan rohani , serta memiliki kemampuan untuk mewujudkan tujuan pendidikan nasional . Guru Profesional Kualifikasi akademik diperoleh melalui pendidikan tinggi program sarjana atau program diploma empat Kualifikasi Akademik Pasal 9 UU14/200 5 Guru & Dosen

Concept of Independent Character Based on Pathfinder (Cross Case Study) Hidayat, Samsul; Cholily, Yus Mochamad; Khozin, Khozin; Ikhwan, Afiful
Al-Hayat: Journal of Islamic Education Vol 8 No 2 (2024): Al-Hayat: Journal of Islamic Education
Publisher : Letiges

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This research aims to analyze the concept of independent character by looking at it from a scouting perspective. This research explains how scouting and Hisbul Wathan explain the idea of independent character. A qualitative approach was used to describe this study by taking a cross-case study type with the study locus in two different institutions that implement the character of independence through scouting education. Data collection techniques through interviews, observation, and documentation. Data analysis techniques use data condensation, data presentation, and conclusions. This research reveals that the concept of independent character based on scouting grows together with the education and routine training of Hizbul Wathan and Scouts. The thoughts of KH. Ahmad Dahlan inspired the idea of independence in Hizbul Wathan. Ahmad Dahlan is a responsible, skilled, independent and disciplined human being. The concept of independence in Scouting follows up on the Minister of Education and Culture of the Republic of Indonesia Regulation Number 23 of 2015 concerning the Development of Character. The limitation of this research is that it focuses on scouting to explain the concept of independence. Meanwhile, originality lies in the scouting movement as an independent character education concept.

GARITA Media: Students' Mathematical Communication in Solving Contextual Problems Cholily, Yus Mochamad; Rosyadi, Alfiani Athma Putri; Suciati, Nur; Usmiyatun, Usmiyatun
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 9, No 1 (2025): January
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v9i1.26404

Based on observation results, the mathematical communication skills of 6th-grade elementary school students are still relatively low. This can be seen during classroom learning activities or when taking exams, when they are faced with contextual story problems they have difficulty understanding and solving them. The implementation of this research activity aims to see effect GARITA media and the mathematical communication skills of 6th-grade elementary school students, as shown through the results of contextual problem assignment scores. Apart from looking at the connection between GARITA media and mathematical abilities, this research was conducted to increase students' understanding in solving contextual problems. GARITA media is a media in the form of story images which have the role of helping to illustrate the problems in story problems, making it easier for students to understand the content of contextual problems and solve them. This research uses quantitative methods with quasi-experiments. The population of this study were students at SD Muhammadiyah 3 IKROM Wage Sidoarjo. This research activity took data from 29 Zahrawi 6th grade students as the control group and 30 Haitam 6th grade students as the experimental group. The result of this research data was obtained by carrying out a post-test in the form of a contextual question test and a student response questionnaire. The data analysis techniques used in this research are normality test, homogeneity test, and hypothesis test. This shows a significant difference in the mathematical communication skills of students who received treatment using GARITA assistance with students who did not receive treatment. The homogeneity test result shows that homogeneity data based on post-test data shows a figure < 0,05. Hypothesis testing shows a significant influence based on the result of the independent sample t-test < 0,05. So, the result of this research indicates that GARITA media can influence the improvement of students' mathematical communication skills in solving contextual problems.

Pengembangan Flipbook Bermuatan Literasi Numerasi untuk Meningkatkan Kemampuan Komunikasi Matematis Devi Nurtria Sandy; Yus Mochamad Cholily; Zukhrufurrohmah Zukhrufurrohmah; Siti Khoiruli Ummah
Jurnal Tadris Matematika Vol 5 No 2 (2022)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2022.5.2.135-148

Based on the interview with the mathematics teacher in grade 9 of Junior High School in Malang, learning media used in school was limited, especially in material of transformation. This cause the students have difficulty communicating mathematical ideas when solving the problems. The purpose of this study is to develop an e-module learning media in the form of a flipbook to improve students’ mathematical communication skills. Research and development of the media was carried out using the ADDIE model. The results of the validation test that carried out by the lecturers and teachers obtained a very valid category value. The results of the effectiveness test using the N-Gain value is 0.66 included in the medium improvement category, it means that mathematical communication skills increase after being given flipbook learning media. The results of the practicality test received a positive response with an average of 79%. Based on the results of the validation, effectiveness, and practicality tests, it can be concluded that the development of flipbook learning media is valid, effective, and practical to use in teaching and learning activities to improve students’ mathematical communication skills.

Professional competency: Pre-service mathematics teachers’ understanding toward probability concept Sulfiah, Sitti Karimah; Cholily, Yus Mochamad; Subaidi, Agus
JRAMathEdu (Journal of Research and Advances in Mathematics Education) Volume 6 Issue 3 July 2021
Publisher : Lembaga Pengembangan Publikasi Ilmiah dan Buku Ajar, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jramathedu.v6i3.13779

The ability to understand mathematics is a faculty crucial to be possessed by pre-service teachers who will enter into the education sphere. It is one of the professional competencies essential for teachers since satisfactory lessons’ delivery engenders more comprehensible instruction in teachers’ students. Qualitative research employs a descriptive approach relevant to the research purpose, describing mathematics pre-service teachers’ professional competency of understanding the concept toward probability observed based on mathematical abilities; advanced, intermediate, and basic mathematics ability. The subjects are three preservice teachers having passed discrete mathematics course in a college in Madura. The criteria to select the subjects are the GPA (Grade-point Average) of the last semester and information from the lecturer. It is because unlikely to administer the test due to online learning applied at the college. Findings indicated that the subject with advanced mathematics ability could meet individual concepts, relate concepts and connect concepts with the operations. The subject with intermediate mathematics ability could meet individual concepts, but could not relate to some concepts. However, he could connect concepts with the operations. The subject with basic mathematics ability could not meet individual concepts, relate concepts, and connect concepts with the operations. In terms of the advancement indicator of understanding the concept, the subjects have not attained it since they have not apprehended concept definition well, particularly the probability concept, although the subject with advanced mathematics ability was procedurally prodigious.

Desain Modul Matematika Bilingual: Urgensi Pengembangan Media Matematika Bilingual dengan konten Islami Laila, Alfi Rachma Nisfi; Cholily, Yus Mochamad; Syaifuddin, Mohammad; Darmayanti, Rani; Sugianto, Rahmad; Muhammad, Ilham
Assyfa Journal of Islamic Studies Vol. 2 No. 1 (2024): Assyfa Journal of Islamic Studies (June)
Publisher : CV. BImbingan Belajar Assyfa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61650/ajis.v2i1.133

Perkembangan teknologi dan informasi di abad 21 menuntut kita untuk lebih mahir menggunakan bahasa inggris sebagai salah satu bahasa yang harus kita kuasai guna meningkatkan kualitas diri dengan menanamkan nilai-nilai keislaman melalui penekanan konten nilai Al-Qur’an yang ada dalam materi mengajaran matematika. Fakta ini memberikan tanggung jawab guru untuk menciptakan dan mengembangkan media pembelajaran yang efektif untuk mempromosikan bahasa inggris, Bahasa Indonesia, dan menguatkan keimanan, komunikatif dan mengembangkan ide matematika yang dieksploitasi kedalam berbagai prepektif, sejarah matematika dan mampu memecahkan permasalahan kontekstual matematis terintegrasi. Tujuan penelitian adalah menganalisis kebutuhan guru madrasah aliyah terkait pengembangan pembelajaran modul bilingual yang mengedepankan pembentukan karakter islami. Pendekatan kualitatif digunakan dalam penelitian ini. Pesertanya adalah 98 guru madrasah aliyah kelas sepuluh hingga kelas dua belas. Kuesioner digunakan untuk mengumpulkan data untuk penelitian. Data yang telah terkumpul dianalisis menggunakan analisis dengan model interaktif. Hasil analisis tersebut menunjukkan hasil ketertarikan guru dengan media modul bilingual sebagai sarana pendidikan yang memiliki nilai islami pondok pesantren untuk pembelajaran. Dari segi komposisi, dibutuhkan modul bilingual yang sesuai dengan jangkauan dan ukuran modul yang ideal. Dari segi konten, diharapkan tidak hanya mengungkapkan materi dengan ilustrasi islam dan animasi sosial, tetapi juga memiliki materi modul yang memasukkan nilai islami yang ada didalam alqur’an berlatar pondok pesantren. Dari segi desain dan tampilan, diperlukan karakterisasi modul yang mencakup berbagai warna dan ukuran font yang proporsional dengan bahasa bilingual. Secara keseluruhan dapat diambil kesimpulan dari penelitian ini bahwa perlu untuk mengembangkan modul bilingual sebagai media pembelajaran yang memadukan nilai islami yang ada didalam alqur’an berlatar pondok pesantren untuk memenuhi kebutuhan guru madrasah aliyah dan merencanakan pengembangan karakter islami.

IMPLEMENTATION OF PROBLEM-BASED LEARNING (PBL) MODELS TO IMPROVE STUDENTS' MATHEMATICAL COMMUNICATION ABILITY Yus Mochamad Cholily; Muhammad Nabil Hibatullah; Minatun Nadlifah
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 13, No 2 (2024)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v13i2.8217

Math problem-solving skills among students are still lacking. This is demonstrated by kids' inability to comprehend inquiries, offer proper responses, or convey ideas. Low communication ability can also result from instruction that downplays the importance of students' ability to solve problems. This study aimed to determine whether the increase in the mathematical communication skills of students who received problem-based learning models was better than that of conventional learning. Moreover, to find out how students' attitudes toward problem-based learning models. This research method is quasi-experimental, and the research design is a Nonequivalent control group design. The experimental class gets learning with the problem-based learning model, and the control class with conventional learning. The population of this study was all students of class VII SMPN 2 Kota Mojokerto. The samples used were two classes of five selected by purposive sampling technique. To obtain research data, pretest, posttest, and mathematical communication skills were used using the independent sample t-test. Based on the results of data analysis, 1) improving students' mathematical communication ability using problem-based learning models is better than students using conventional learning; 2) students' attitude towards learning mathematics using the problem-based learning model is positive. Kemampuan siswa untuk memecahkan masalah matematika masih rendah. Hal ini ditandai dengan kurangnya siswa dalam memahami pertanyaan dan memberikan jawaban serta mengutarakan pikiran atau ide secara tepat. Rendahnya kemampuan komunikasi juga disebabkan oleh model pembelajaran yang belum menekankan siswa pada aspek pemecahan masalah.Tujuan penelitian ini adalah untuk mengetahui apakah peningkatan kemampuan komunikasi matematis siswa yang memperoleh model pembelajaran problem based learning lebih baik dari pada siswa yang menggunakan pembelajaran konvensional, dan untuk mengetahui bagaimana sikap siswa terhadap model pembelajaran problem based learning. Metode penelitian ini adalah quasi eksperimen dan desain penelitian adalah Nonequivalent control group design. Kelas eksperimen memperoleh pembelajaran dengan model problem based learning dan kelas kontrol dengan pembelajaran konvesional. Populasi dari penelitian ini adalah seluruh siswa kelas VII SMPN 2 Kota Mojokerto, Adapun sampel yang digunakan sebanyak dua kelas dari lima kelas dipilih dengan Teknik purposive sampling. Untuk mendapatkan data hasil penelitian digunakan pretest, posttest, kemampuan komunikasi matematis menggunakan independent Sample t-Test. Berdasarkan hasil analisis data, 1) peningkatan kemampuan komunikasi matematis siswa yang menggunakan model pembelajaran problem based learning lebih baik dari pada siswa yang menggunakan pembelajaran konvensional; 2) sikap siswa terhadap pembelajaran matematika yang menggunakan model pembelajaran problem based learning adalah positif

Students' mathematical errors in solving literacy and numeracy problems Rosyadi, Alfiani Athma Putri; Kafifah, Anisa; Cholily, Yus Mochamad; Inganah, Siti
JRAMathEdu (Journal of Research and Advances in Mathematics Education) Volume 9 Issue 2 April 2024
Publisher : Lembaga Pengembangan Publikasi Ilmiah dan Buku Ajar, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jramathedu.v9i2.10464

Numeracy literacy constitutes one of the core domains evaluated in an assessment administered by the Ministry of Religious Affairs, referred to as AKMI. This assessment functions as a comprehensive diagnostic tool to identify students’ proficiencies and deficiencies across three key literacy areas: reading, numeracy, and science. This study employed a descriptive qualitative approach, with fifth-grade students as the subjects. The research instruments included a mathematics ability test, a literacy and numeracy assessment, and semi-structured interview guidelines. The students’ problem-solving processes were analyzed through four stages: understanding the problem, devising a plan, executing the plan, and evaluating the solution. Findings revealed that students with low mathematical ability frequently encountered difficulties in the planning, execution, and evaluation stages, which collectively accounted for 29.4% of the total errors. A smaller proportion (5.88%) struggled with understanding the problem, while another 5.88% did not exhibit notable errors. Students with moderate ability demonstrated errors in the planning, execution, and evaluation phases, each contributing 25% to the overall errors; however, they showed no difficulty in identifying knowns and unknowns in the problems. High-ability students generally solved the problems without major issues, with 62.5% of their responses being accurate and error-free. Geometry-related problems posed the greatest challenge across all ability levels, resulting in a higher incidence of errors.

Matematika Berbasis Alam: Menumbuhkan Rasa Ingin Tahu dan Cinta Lingkungan Januardi, Ega; Cholily, Yus Mochamad; Syaifuddin, Mohammad
International Journal of Progressive Mathematics Education Vol. 5 No. 1 (2025)
Publisher : Universitas Muhammadiyah Prof. DR. HAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/ijopme.v5i1.18998

Pembelajaran matematika sering dianggap abstrak, memicu kejenuhan siswa. Penelitian ini berupaya menjawab tantangan tersebut dengan mengkaji efektivitas pembelajaran matematika berbasis alam dan menumbuhkan rasa ingin tahu dan kecintaan lingkungan siswa di sekolah alam. Menggunakan pendekatan kualitatif studi kasus, data dikumpulkan melalui observasi, wawancara, dan dokumentasi terhadap guru dan siswa di SDN Bunga Bangsa, Kota Bekasi, pada Juli-Agustus 2025. Hasil penelitian menunjukkan bahwa perencanaan pembelajaran kontekstual dan eksplorasi langsung di alam signifikan memicu rasa ingin tahu kognitif siswa dan menanamkan nilai peduli lingkungan. Interaksi indrawi, kolaborasi, dan refleksi memperkuat pemahaman konsep serta keterampilan sosial-emosional. Kontribusi penelitian ini adalah pengembangan model pedagogis adaptif yang mengintegrasikan matematika dan pendidikan karakter berbasis lingkungan, memberikan bukti empiris untuk kurikulum yang lebih relevan dan holistik serta mendorong inovasi dalam metode pengajaran berbasis alam. Mathematics learning is often considered abstract, triggering student boredom. This study attempts to answer this challenge by examining the effectiveness of nature-based mathematics learning in fostering students’ curiosity and love of the environment in nature schools. Using a qualitative case study approach, data were collected through observation, interviews, and documentation of teachers and students at SDN Bunga Bangsa, Bekasi City, in July-August 2025. The results showed that contextual learning planning and direct exploration in nature significantly triggered students’ cognitive curiosity and instilled environmental values. Sensory interaction, collaboration, and reflection strengthened conceptual understanding and social-emotional skills. The contribution of this study is the development of an adaptive pedagogical model that integrates mathematics and environmental-based character education, provides empirical evidence for a more relevant and holistic curriculum, and encourages innovation in nature-based teaching methods.

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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