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Nahor Murani Hutapea

Pendidikan Matematika FKIP Universitas Riau

Author-ID : 2552288

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Workshop Pengembangan Modul Ajar Berbasis Pendekatan Pembelajaran Berdiferensiasi bagi Guru Bidang Studi Matematika SMPN di Kecamatan Siak Suanto, Elfis; Siregar, Syarifah Nur; Sakur, Sakur; Hutapea, Nahor Murani
Jurnal Pengabdian Masyarakat Bangsa Vol. 2 No. 9 (2024): November
Publisher : Amirul Bangun Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/jpmba.v2i9.1642

Mengembangkan kompetensi guru dalam pembelajaran adalah suatu hal yang penting dalam meningkatkan kualitas pendidikan. Oleh karena itu tujuan dari kegiatan pengabdian ini adalah guru dapat pengembangan modul ajar berbasis pendekatan Pembelajaran Berdiferensiasi bagi Guru Bidang Studi Matematika di Kecamatan Siak. Metode yang digunakan dalam kegiatan pengabdian ini adalah pendampingan dengan strategi kronologis. Penyampaian materi dilakukan dengan cara bertahap dari materi dasar hingga materi yang lebih mendalam. Pelaksanaan kegiatan pengabdian ini terdiri dari tiga tahap, yaitu persipan, pelaksanaan, dan pelaporan. Berdasarkan tahapan kegiatan yang telah direncanakan maka dihasilkan kegiatan pengabdian kepada masyarakat seperti: (1) tahap persiapan dihasilkan bahan materi dan instrumen pengabdian kepada masyarakat. Adapun materi yang dihasilkan berupa konsep pembelajaran berdiferensiasi dan teknik menyusun modul ajar berbasis pendekatan berdiferensiasi; (2) tahap pelaksanaan, dihasilkan pemantapan penguasaan guru tentang pembelajaran berdiferensiasi dan memberikan pengetahun kepada guru tentang strategi merancang dan mengembangkan modul ajar berbasis pendekatan pembelajaran berdiferensiasi (3) tahap pelaporan dihasilkan laporan analisis dan evaluasi semua proses dari kegiatan pengabdian. Kesimpulan, hasil pengabdian menunjukkan bahwa kegiatan ini dapat membekali dan memberikan alternatif bagi guru di Kecamatan Siak dalam mengembangkan Modul Ajar. Kegiatan Pengabdian ini disarankan dapat dilakukan secara berkala dan berkelanjutan di berbagai lokasi dan tepat sasaran.

Development of problem-based learning materials on linear programming to facilitate students' mathematical problem-solving skills Situmorang, Ruth Sahana; Hutapea, Nahor Murani; Armis
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 1 (2024): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i1.2339

This study aims to develop Problem-Based Learning (PBL) instructional tools, including a syllabus, lesson plans, and student activity sheets, to enhance students' mathematical problem-solving skills. The development process follows the 4-D model, consisting of four stages: Define, Design, Develop, and Disseminate. Data were collected through interviews, observations, and questionnaires, using validation sheets and student response surveys as instruments. The validity of the instructional tools was assessed by experts, with results indicating high validity, with average scores of 3.82 for the syllabus, 3.93 for the lesson plans, and 3.79 for the student activity sheets. Additionally, the practicality of the LAS was tested in both small and large groups, showing high practicality with average scores of 3.52 and 3.64, respectively. These findings indicate that the developed instructional tools meet the required standards of validity and practicality, making them suitable for classroom use. This study successfully created PBL-based instructional tools that effectively support the development of students' mathematical problem-solving skills and are expected to positively impact mathematics learning.

The development of problem-based learning worksheets to facilitate mathematical problem-solving skills in relation and function topics Yanti, Risma; Hutapea, Nahor Murani; Anggraini, Rini Dian
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 1 (2024): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i1.2480

This research aims to develop student worksheets for eighth-grade mathematics, focusing on the topics of Relations and Functions, using a Problem-Based Learning approach. The development process followed the 4D model, which includes the stages of defining, designing, developing, and disseminating. The research instruments used were validation sheets and student questionnaires. After the preparation stage, the worksheets were evaluated by three validators and revised based on the feedback received. Data analysis showed an average validation score of 89.12%, indicating a very high level of validity. Subsequently, the validated worksheets were tested on a small group of students, resulting in a practicality score of 80.28%, which is classified as very practical. This research successfully produced valid and practical worksheets for eighth-grade mathematics, particularly in the topics of relations and functions.

Development of test instruments to measure mathematical problem-solving skills in quadrilaterals and triangles Norzilawati; Kartini; Hutapea, Nahor Murani
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 1 (2024): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i1.2481

The purpose of this research is to produce a test instrument to measure mathematical problem solving abilities on quadrilaterals and triangles in class VII SMP/MTs students. The test developed is in the form of a description that meets the criteria for logical and empirical validity, level of difficulty and good discriminating power. This research uses a development studies development model which consists of pleminary and formative evaluation stages. The formative evaluation stage consists of self-evaluation, expert review, one-to-one, small group and field test activities. The research instruments used were validation sheets, student response questionnaires and KPMM test questions. The research subjects were 33 students of class VIII.3 of SMPN 8 Pekanbaru. Research data was obtained by validating the test instrument with three validators and testing the test instrument with research subjects at the small group and field test stages. The results of the research show that the average score of test instrument validators for content, construction and language aspects is 87.82%, from the 20 questions developed, 20 questions were logically valid, and 17 questions were empirically valid with a reliability value of 0.90 in the category very high, while the level of difficulty obtained was 13 questions with a medium level of difficulty, 2 questions with an easy level of difficulty and 1 question with a difficult level of difficulty, and the distinguishing power was 9 questions in the good category, 6 questions in the sufficient category, and 2 questions in the poor category . Of the 20 questions developed, there were 17 questions that met the criteria for being logically and empirically valid and had a good level of difficulty and differentiating power.

Improving Senior High School Students Learning Autonomy through Generative Learning Hutapea, Nahor Murani
Journal of Educational Sciences Vol 3. No. 1. January 2019
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.3.1.p.84-95

Autonomy in learning is an ability required by each individual to cope all life challenges. A person with higher learning autonomy could study better and is capable of observing, evaluating and managing his study effectively and efficiently, and saving the time to accomplish given tasks. However, students’ learning autonomy (SLA) has in fact not yet well-developed up to senior high school level. Generative learning (GL) is considered able to elicit the development of SLA. This research aims to examine students’ autonomy in learning through the implementation of GL. The type of this research is quasi experiment with pretest and posttest control group design. The research used a set of learning autonomy scales as its instrument. The research result shows that GL could better enhance SLA compared to conventional learning; perceived from a whole: 0.58 > 0.51, perceived from the school category: 0.65 >0.58 (superior), 0.57 > 0.51 (moderate), 0.51 > 0.44 (low) and students’early mathematics skill (EMS): 0.74 > 0.69 (high), 0.60 > 0.54 (medium),0.35 > 0.31 (low). Both control and experimental classes have moderate learning autonomy improvement. Meanwhile, in terms of EMS, those obtaining GL treatment improved moderately, and the control class has apoor increase.

Improvement of Mathematical Problem Solving and Disposition Ability of MTs Students through StrategiesThink Talk Write in Cooperative Learning in Kuantan Singingi Regency Guswinda, Guswinda; Yuanita, Putri; Hutapea, Nahor Murani
Journal of Educational Sciences Vol 3. No. 3. September 2019
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.3.3.p.377–389

This research is motivated by the low both Mathematical Problem Solving Ability (KPMM) and Mathematical Disposition (DM) in solving problems of grade VII MTs students. This study aims to see an increase in KPMM and DM MTs students in Kuantan Singingi Regency. The form of research was quasi-experimental with pretest-posttest control group design. The population of the study was MTs students in Kuantan Singingi District with the sample being Grade VII students from 3 MTs in Kuansing. Data collection instruments in this study were KPMM tests and DM questionnaires. Data were analyzed using t-test, Mann- Whitney U test, one-way Anova. The results obtained were an increase in KPMM for students who treated with Think Talk Write (TTW) strategies in cooperative learning. They were higher than students who obtained learning with a scientific approach (g_TTW = 0.75> 0.61 = g_PS). So it appears that the increase in KPMM and DM students who get the TTW Strategy in Cooperative Learning is higher than students who get learning with a scientific approach.

Mathematical Learning Development using Discovery Learning Model to Improve Mathematical Understanding Skills of Students Kartika, Yuni; Hutapea, Nahor Murani; Kartini, Kartini
Journal of Educational Sciences Vol 4. No. 1. January 2020
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.4.1.p.124–132

This study aims to produce a mathematics learning tool with a discovery learning model on rectangular and triangular material, with valid, practical and effective criteria to improve the mathematical understanding ability of grade VII students in junior high school. The type of research was development research with the design development using Borg and Gall. This study produced learning tools consisting of syllabus, lesson plans and student worksheets (LKPD). The results of the study showed that the learning tools met valid, practical and effective criteria. The validity of the product development was determined by expert validation with an average value of 4.46 with a very valid category. The practicality of the product development is determined by the teacher with an average of 99%, students 90.57% and observers 4.16 which is categorized as very practical while the effectiveness of the development product in terms of the achievement of learning objectives using KKM scores of 75 is obtained from the test results of mathematical understanding ability with the results there is an increase in learning outcomes using developed learning tools.

Development of Mathematics Learning Tools by Implementing Numbered Head Together Type Cooperative Models to Improve Students' Mathematical Understanding Ability in Matrix Topic Evi Zahara, Evi Zahara; Murni, Atma; Hutapea, Nahor Murani
Journal of Educational Sciences Vol 4. No. 2. April 2020
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.4.2.p.250-260

Students' mathematical understanding ability in Matrix material of Senior High Schools is still low. This is due to students being less active in learning, teaching materials are still limited and in learning teachers are more accustomed to presenting formulas instantly. This study aims to produce a valid, practical, and effective learning tool by implementing a cooperative model of Numbered Head Together (NHT) to improve students' mathematical understanding abilities in the Matrix Class XI material. The development model used was the Borg and Gall model. Data collection instruments used in this study were interview guides, questionnaires, and tests. The average validation results for RPP is 3.81 and for LKPD is 3.84 with a very valid category. Limited testing of 15 students obtained 91.22% percentage of student responses categorized as very practical. Field trials on 25 students obtained a percentage of the response of students 90.20% categorized as very practical. The results of the effectiveness test indicate that the students' mathematical understanding ability is increasing.

Development of Mathematics Learning Devices by Applying Problem Based Learning to Increase Students Mathematical Solving Skills of Class VII Junior High School Fitria, Rahmi; Hutapea, Nahor Murani; Zulkarnain, Zulkarnain
Journal of Educational Sciences Vol 4. No. 2. April 2020
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.4.2.p.368-379

This research was motivated by the low ability of Mathematical Problem Solving (KPMM) of students. In order to improve KPMM, teachers can do designing the learning process. This study aims to develop mathematical learning tools that are valid, practical and effective. The development model used the Borg and Gall model. The research instrument consisted of syllabus validation sheets, lesson plane (RPP), student worksheet (LKPD), observability of implementation, student questionnaire responses and KPMM test instruments. The result shows the mathematics learning kit using the PBL model was already valid which is for the syllabus was 85.41%, RPP was 85.11%, LKPD was 88.67% and the test instrument was 81.71%. The learning kit fulfills the practicality requirements in large group trials with an average questionnaire of students responses of 91.99% and an average of 94.58%. Effective mathematics learning tools is to improve KPMM of students with student learning outcomes that is based on the achievement of KKM with the percentage of completeness reached is 88.24%. Development of learning tools can significantly improve students mathematical problem solving abilities at a significant level of P = 0,000 with α = 0.05. Thus, it can be concluded that the development of mathematics learning tools by applying problem based learning can improve students mathematical problem solving abilities.

Development of Learning Media Assisted by iSpring Suite with Discovery Learning Model to Facilitate Mathematical Understanding Ability Ningrum, Rosilawati Kusuma; Suanto, Elfis; Hutapea, Nahor Murani
Journal of Educational Sciences Vol 8. No. 3. July 2024
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.8.3.p.325-335

The purpose of this research is to produce learning media that can facilitate students' mathematical understanding abilities on circle material assisted by iSpring Suite 10 software with a Discovery Learning model that can be accessed on Android smartphones and laptops and has met the valid and practical requirements. The development model used is the 4D model, with the stages of define, design, develop, and disseminate. The learning media was validated by three media experts, and the research subjects involved three students in one-on-one activities, six students in small group trials, and 30 students in large group trials. The research instruments included validation sheets and student response questionnaires. The results of validation by experts obtained an average of 90.6% with very valid criteria. Feedback and suggestions obtained from validation and one-to-one were used as improvement materials. Furthermore, small group and large group trials were carried out, each of which obtained an average of 91.87% and 91.58% with very practical criteria. This iSpring Suite 10 assisted learning medium with the Discovery Learning model on circle material to facilitate the mathematical understanding ability of junior high school students has met the valid and practical criteria.

Co-Authors ', Armis ', Zuhri D ', Zulkarnain Afriza, Yosep Yendra Aisyah Amalina Aisyah Nurul Rahmah Aminuyati Amni, Rodhitul Andria, Adrila Anggi Apriani, Marina Arifatul hilma Arifin, Annisa Armis ' Armis Armis Aruan, Renni Dermawan Asri Lubis Atma Murni Atma Murni Atma Murni Atma Murni Atma Murni Brilyan Amry Siregar Cesilia, Sindy Chindy Julia Fitrah Chintya, Cici Ayu Cici Ayu Chintya Darsono Simbolon Dede Sumiati Della Widya Ananda Desi Fitriyani Dewi Yuliani, Dewi Dewi, Widya Shintya Dian, Monika Putri Didik Kharis Prayudi Dwi Wirda Lastari Ekarikardo ' Elfis Suanto Eti Tantri Manurung Evi Zahara Evi Zahara, Evi Zahara Fadilah Gustin Khainingsih Fadillah, Masrianti Fahrani, Ibnah Wanda Fatma Kumala Fatma Nauli Butar-Butar Frengki Candra Gunawan Silalahi Giva Putri, Meini Guswinda, Guswinda H. Zulkarnain H. Zulkarnain Harianti, Putri Harini, Elsa Hartina, Dwi Putri Hastri, Sherly Indah Mulya Cahyani Indira Santi Irwandi, Bayu Jalinus Jalinus Jalinus, Jalinus Jalinus, Jalinus KARTINI Kartini Kartini Kartini, Kartini Khairani Khairani Lendrawati Arif Lestari, Diah Dwi Maimunah Maimunah Maimunah Maimunah, Maimunah Manurung, Julian Lois Maria Celes Rajagukguk Mariani Mariani Marlinda, Weni Marni Swasti Marni Swasti Martha Febriani Br Sitinjak Masrianti Fadillah Mayu, Tika Ulfa Mega Afrianti Mega Ayu Adila Meta Sartika Nasution, Fitri Rahmayani Niki Lauda S Lauda, Niki Lauda S Ningrum, Rosilawati Kusuma Ningsih, Irma Fetria Nofita Damayanti Norzilawati Nurâ€™azani, Alifya Ovemy Delfita Pakpahan, Gunawan Saputra Parsaoran Selpanri Sitorus Pattimura SC Putri Aulia Susanti Putri Yuanita Rahayu, Dinda Rahmatina Aulia RAHMI FITRIA Rahmi Fitria Raju, Riani Octavianty Ramadhan, Puteri Nurul Ranti Octapiana Simanjuntak Ratna Sari Dewi Reny Reski Reny Reski Reny Riani Octavianty Raju Rini Dian Anggraini Rio Kurniawan Riza Derniati Rohiimah, Siti Sakur Sakur Sakur, Sakur Sandy, Aulia Saratul Ihsany Ihsany, Saratul Ihsany Sartika, Endang Sri Sehatta Saragih Sehatta Saragih Sehatta Saragih Saragih, Sehatta Saragih Sehatta Saragih Sehatta Saragih Sembiring, Rinawati Septya Dwi Putri Dwi Putri Simarmata, Evan Dari Kristianto Situmorang, Ruth Sahana Solihin, Deny Solly Aryza Sonya Claudy Emellya Putri Suhermi ' Supri Hartini Susanti, Putri Aulia Susda Heleni Susi Ermina Sipakkar, Susi Ermina Syaila Affani Syarifah Nur Siregar Syef Harapit Syofni Syofni Syofni Syofni Syofni Syofni, Syofni Titi Solfitri Usqo, Urwatil Uswatun Khasanah Wulan dari Yanti, Risma Yenita Roza Yodiatmana, Yodiatmana Yohana S Sinaga, Yohana S Yola Putri Anggraini Yulistiawati, Yulistiawati Yuni Kartika, Yuni Zameza, Ranty Andika Abinaya Zima Ratna Sari Zulkarnain ' Zulkarnain Zulkarnain Zulkarnain Zulkarnain

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