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All Journal KADIKMA CommIT (Communication & Information Technology) FOKUS: Jurnal Kajian Keislaman dan Kemasyarakatan JMM (Jurnal Masyarakat Mandiri) LISAN AL-HAL: Jurnal Pengembangan Pemikiran dan Kebudayaan Alifmatika: Jurnal Pendidikan dan Pembelajaran Matematika Indonesian Journal of Mathematics and Natural Science Education As-Sidanah : Jurnal Pengabdian Masyarakat Jurnal Multidisiplin Ibrahimy

Mohammad Tohir

Mathematics Education, Universitas Ibrahimy, Situbondo, East Java 68374, Indonesia

Author-ID : 1549468

Religion Humanities Chemistry Computer Science & IT Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Physics Social Sciences Other

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KETERAMPILAN MEMECAHKAN MASALAH FARAID DITINJAU DARI KEMAMPUAN MATEMATIS MAHASISWA Aknis Ayu Utami Kamulia; Mohammad Tohir; Helvi Dian Safitri Dian Safitri; Ummi Rosyidah
KadikmA Vol 13 No 1 (2022): April 2022
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v13i1.31298

The phenomenon experienced by students is their inability to determine the parts of the term Ashabul Furudh. This material is indeed difficult to understand, in addition to the many parts that must be known, it is also necessary to understand the fraction material. This is where one of the functions of mathematics in life is included in calculating inheritance. This study aims to examine students' thinking patterns in solving faroidh problems. In this study using a qualitative descriptive method. The subjects in this study were students of Tadris Mathematics semester VI. The results of this study indicate that overall students are included in the creative category because they are able to meet the four categories of creative thinking abilities that have been determined, namely fluency, flexibility, detail, and sensitivity. The high group subjects had very good creative thinking, the medium group subjects had good creative thinking and for the lower group subjects had moderate creative thinking.

MATHEMATICS PROBLEM SOLVING BASED ON COGNITIVE STYLE TO DETERMINE OF STUDENT REASONING ABILITIES IN THE COVID-19 PANDEMIC ERA Maswar Maswar; Mohammad Tohir; Diyah Ayu Rizki Pradita; Dian Noer Asyari; Wahyu Sardjono; Erna Selviyanti
Alifmatika (Jurnal pendidikan dan pembelajaran Matematika) Vol 4 No 1 (2022): Alifmatika - June
Publisher : Fakultas Tarbiyah Universitas Ibrahimy

Mathematical problem solving has become an important issue that was often discussed in school classes including in the covid-19 pandemic era. This research aimed to describe the level of reasoning ability of students in solving mathematical problems based on the cognitive style of field-dependent and field-independent cognitive styles. The research approach used a was mixed-method of quantitative and qualitative. The subject of this study were students of Ibrahimy 1 Junior High School of Situbondo. The data collection techniques used were the form of tests and interviews. The data of the written test and interview results were tested for validity by triangulation. This research indicated that:(1) there were differences in student’s mathematical reasoning abilities between-FD and FI subjects; (2) the FI subject was able to re-examined, evaluated, and drew valid conclusions, but not for FD subject; (3) the FI subject has fulfilled all four mathematics reasoning indicators and classified as a very capable category; (4) the FD subject has fulfilled all three indicators and classified as capable enough category; and (5) generally, the level of mathematical reasoning ability of FI subjects group was very capable category as many as 21,43% and 14,29 % for FD subjects group.

PENINGKATAN KOMPETENSI GURU PEMBINA OLIMPIADE MATEMATIKA SISWA SEKOLAH MENENGAH PERTAMA KABUPATEN MADIUN Mohammad Tohir
As-Sidanah Vol 1 No 2 (2019): OKTOBER
Publisher : LP2M Universitas Ibrahimy

The objective of this research is to describe the improvement of the competence of Olympic workshop participants in problem-solving of mathematics Olympiad for mathematics teachers of Junior High Schools in the Madiun Regency by using the qualitative descriptive approach. The subjects of this research were 66 participants of junior high school mathematics teachers workshop organized by Mathematics teachers in each junior high school or MGMP in collaboration with the Depatment of Education and Culture of Madiun Regency. The data collection were carried out with a written test in the description form consisting the results of pre-test, post-test, practice questions, presentations from each group and observation results during the workshop. The results indicated that the mathematics Olympiad workshop activities for Junior High School mathematics teachers in Madiun Regency could increase the understanding of workshop participants in solving mathematics Olympiad questions. This improvement could be seen from the answers of practice questions as well as from the presentations session whereas the teachers could clearly describe several topics such as an algebraic, number theory, geometry, combinatorics, and statistics. However, an advanced Olympics workshops are still needed to help the teachers of Junior High School mathematics Olympiad in Madiun Regency.

USING CIRCUITS ON MINIMALIST PRESCHOOL LAND TO ASSIST WITH GROSS MOTOR PHYSICAL ACTIVITIES Hariyanto Hariyanto; Miftahul Alimin; Mohammad Tohir
As-Sidanah Vol 1 No 2 (2019): OKTOBER
Publisher : LP2M Universitas Ibrahimy

The physical gross motor was the focus of this commitment. There are 37 percent minimalist schools in Malang. As a result, it is unable to conduct motor physical activities optimally. That difficulty was solved by implementing a circuit. To aid in the physical development of gross motor skills. Despite the fact that it was a minimalist school. Teachers can create circuits in their classrooms after receiving training. Material used in child-safe circuits. The material used can be saved. and used once more.

PENDAMPINGAN PENGGUNAAN REFERENCE MANAGER MENDELEY DENGAN GAYA “APA MANUAL 7TH EDITION” DALAM MENYUSUN KARYA ILMIAH Mohammad Tohir; Ahmad Yunus; Ahmad Jazuly; Ianatuz Zahro; Ninuk Indrayani
As-Sidanah Vol 4 No 2 (2022): OKTOBER
Publisher : LP2M Universitas Ibrahimy

Students as prospective teachers are said to be professional educators if they have pedagogical competence, personality competence, social competence, and professional competence. In this training activity, the focus of the activity is on the professional competence of students as prospective teachers, namely the ability to master scientific writing with the help of software. Writing scientific papers that must be done is to include a bibliography. The number of references needed by students in writing scientific papers, therefore, some of them will find it difficult to make a bibliography manually. Therefore, the Mendeley application is needed to make it easier to compile a bibliography automatically. However, there are still many students who do not understand its use and do not even know the Mendeley application. This training is held offline in the classroom, with the target participants being students of IKIP PGRI Jember, especially S1 Early Childhood Education Programs (ECEG) final semester. The method used in this service activity is Participatory Action Research (PAR). The use of this method is expected to improve students' understanding and skills in compiling scientific papers related to citation arrangements, and bibliography. The subject of service according to the title is S1 Early Childhood Education Programs (ECEG) final semester. The object of training is the Mendeley Application with the "APA Manual 7th Edition" style which has been implemented at IKIP PGRI Jember.

Comparison of the Performance Results of C4.5 and Random Forest Algorithm in Data Mining to Predict Childbirth Process Muhasshanah Muhasshanah; Mohammad Tohir; Dewi Andariya Ningsih; Neny Yuli Susanti; Astik Umiyah; Lia Fitria
CommIT (Communication and Information Technology) Journal Vol. 17 No. 1 (2023): CommIT Journal
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/commit.v17i1.8236

Technology advancements in the world of information have made it easier for many people to process data. Data mining is a process of mining more valuable information from large data sets. The research aims to determine the difference between the C.45 and random forest algorithms in data mining to predict the childbirth process of pregnant women. It compares the accuracy of the performance results of the C4.5 and random forest algorithms to predict the delivery process for pregnant women. Then, experimental research is conducted to classify the childbirth process in Situbondo, Indonesia, by applying the C.45 and the random forest algorithm in the data mining. The decision tree J48 algorithm is used for the C4.5 algorithm in the research. Both algorithms are compared for their error classification and accuracy level. The research uses 1,000 data for training and 200 data for testing. The results show the accuracy of implementing the C4.5 and random forest algorithms with data mining using 10-fold cross-validation, generating 96% and 95% as correctly classified data. Then, the Relative Absolute Error for both algorithms has the same result. It is 15%. The C4.5 algorithm has a better result than the random forest algorithm by comparing the performance results. Further research can add more data to improve the accuracy of the analysis results by using another algorithm.

INHERITANCE RIGHTS FOR LI'AN CHILDREN IN THE STUDY OF MATHEMATICS AND ISLAMIC LAW Mohammad Tohir; Azmil Yusrul Hana; Saiful Saiful; Ahmad Choirul Anam
LISAN AL-HAL: Jurnal Pengembangan Pemikiran dan Kebudayaan Vol. 17 No. 1 (2023): JUNI
Publisher : LP2M Universitas Ibrahimy

Mathematics is a complex science that can be used as a complement to other branches of science. Likewise, the science of faraidh discusses the inheritance rights of property (tirkah) to the heirs of owners who have died, as in one of the problems related to the inheritance rights of other children. So this study aims to describe the role of mathematics in the distribution of inheritance rights of a Li'an child based on the analysis of Islamic law. The research method used is a literature study and focused discussion. The subject of this study is Inheritance and Islamic law, while the object is Li'an's children. The results showed that: (1) mathematics has an essential role in solving the distribution of inheritance rights for other children; (2) according to the perspective of Islamic law, the Li'an child is not related to his father because the lian oath was made by both parents, and the child does not have inheritance rights from the father; (3) other children are only related to their mother, and other children get inheritance rights from their mother's side.

Mathematical Olympiad issues to identify students' reasoning ability using Polya's model Mohammad Tohir; Muhasshanah Muhasshanah; Riyan Hidayat; Erik Valentino; Tommy Tanu Wijaya
Alifmatika (Jurnal pendidikan dan pembelajaran Matematika) Vol 5 No 2 (2023): Alifmatika - December
Publisher : Fakultas Tarbiyah Universitas Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/alifmatika.2023.v5i2.264-281

This research aims to describe the level of mathematical reasoning ability of students in solving mathematical Olympiad problems based on problem-solving of the Polya model. This study employed descriptive analysis with a qualitative approach. Data were collected by using observation, documentation, and interviews. The study subjects were 27 junior high school students participating in the National Science Competition in Indonesia. Meanwhile, the Miles and Huberman analysis model was used as the data analysis. The results of this study indicated that: (1) the level of students’ mathematical reasoning-ability based on the problem-solving of Polya models in the category of "sufficiently competent" (high-group students), in the category of "less competent" (medium-group students), and in the category of "incompetent" (low-group students); (2) the most complex and rarely performed stages by students in Polya’s model were at the "devising a plan" and "looking back" stages; and (3) the Polya's model used in solving mathematical Olympiad test items was more suitable for those considered as routine-questions, and it was not suitable for non-routine questions. This study also showed that, on average, the students had difficulty finding initial ideas to start working on the test items.

Pemodelan Matematika Terhadap Keuntungan Bulanan Pada Wartel Asrama Ma’hadul Qur’an Pondok Pesantren Salafiyah Syafi'iyah Sukorejo Ahmad Ainul Yaqin; Mohammad Tohir
Jurnal Multidisiplin Ibrahimy Vol. 1 No. 1 (2023): JUMMY - August
Publisher : LP2M Universitas Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/jummy.v1i1.3543

This study aims to determine the mathematical modeling of monthly profits at the Ma'hadul Qur'an boarding school kiosk located at the Salafiyah Syafi'iyah Islamic Boarding School Sukorejo. The research method used is a quantitative descriptive method using numbers, and the analysis uses statistical methods. The results of the research show that (1) the solution for students who are limited in communicating with other people by using the telephone is the holding of a pesantren kiosk; (2) The shop is an attempt by the pesantren to help its students who cannot bring their cell phones to the pesantren because of a ban; (3) Wartel standard tariff is Rp2000 per minute, the monthly fee per call is Rp62,000, and all 5 telephone units; (4) The total income from the first week to the last week is 2.207.500, the total expenses are Rp310.000. Thus if it is calculated, it will produce a net profit of 1,800,000. Meanwhile, the minimum profit is 1,590,000, and the maximum profit is 2.312.000; and the Mathematical Modeling is Y = (X_1 + X_2 + X_3 + X_4 ) - (5 × 62,000).

Co-Authors Abdul Aziz Abdul Aziz Ahmad Ainul Yaqin Ahmad Choirul Anam Ahmad Jazuly Ahmad Yunus Aknis Ayu Utami Kamulia Astik Umiyah Azmil Yusrul Hana Dewi Andariya Ningsih Dian Noer Asyari Diyah Ayu Rizki Pradita Erik Valentino Erna Selviyanti Faizatul Fil Ula Firma Yudha1 Hariyanto Hariyanto Helvi Dian Safitri Dian Safitri Hobri Ianatuz Zahro Lia Fitria Maswar Maswar Miftahul Alimin Moh. Mu’afi Mohammad Mukhlis Muhasshanah Muhasshanah Muzayyanatun Munawwarah Neny Yuli Susanti Ninuk Indrayani Nurul Laili Risma Meliyana Riyan Hidayat Rohmatul Ilahiyah Saiful Saiful Saiful Saiful Tommy Tanu Wijaya Ummi Rosyidah Wahyu Sardjono Yudha, Firma Zainal Abidin

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