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Nahor Murani Hutapea
Pendidikan Matematika FKIP Universitas Riau
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Development of Mathematic Learning Devices Based on Discovery Learning Model To Facilitate Students’ Mathematic Communication Ability Khasanah, Uswatun; Hutapea, Nahor Murani; Zulkarnain, Zulkarnain
Journal of Educational Sciences Vol 5. No. 1. January 2021
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.5.1.p.141-155

Abstract

The condition of the learning equipment used by the teacher is not in accordance with the demands of the 2013 curriculum. Learning activities and Student Worksheets (LKPD) used in the learning process have not been able to facilitate the improvement of students' Mathematical Communication Ability (KKM). Teachers have not designed learning tools that can encourage student activities to facilitate the improvement of KKM. This study aims to produce learning tools based on the Discovery Learning model to facilitate the improvement of the KKM of students that are valid and practical. This development research uses the ADDIE development model with the stages of Analysis, Design, Development, Implementation, and Evaluation. The products produced from this research on the development of learning tools are syllabus, lesson plans, LKPD and KKM questions. The results of the validation test for the syllabus, RPP, LKPD and KKM questions obtained consecutively a percentage of 92.19%, 93.37%, 93.14% and 94.64% with very valid categories. The practicality test results got a percentage of 84.52% for small group trials and 94.00% for teacher responses in the very practical category. The results of the validation and practicality test state that mathematics learning tools based on the Discovery Learning model can facilitate students' Mathematical Communication Ability.
The Effect of the Application of the 5E Learning Cycle Model on Mathematical Communication Skills in Junior High School Students Susanti, Putri Aulia; Hutapea, Nahor Murani; Saragih, Sehatta
Journal of Educational Sciences Vol 5. No. 2. April 2021
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.5.2.p.257-266

Abstract

This research is motivated by the low students mathematical communication skills. To overcome this problem is by improving the learning process that provides opportunities for students. One of them is by applying the 5E Learning Cycle model. The 5E Learning Cycle model is a series of activities so that students can master the competencies achieved in learning by taking an active role, directed to seek and discover new knowledge themselves. The research is to investigate the impact of the application of Learning Cycle 5E on mathematical communication skills in terms of overall, ability level and, interaction between learning model and ability level. This research is a quasi-experimental study with a pretest post-test control design. The results of data analysis show that the mathematical communication skills of students who learn using the 5E learning cycle model are better than students with conventional learning. For students mathematical communication skills at the moderate level, the 5E learning cycle model is better, but not better for high and low levels. There is no interaction between the learning model and ability level of mathematical communication skills.
Analisis Kemampuan Berpikir Kritis Matematis Siswa SMP dalam Menyelesaikan Soal pada Materi SPLDV Manurung, Julian Lois; Hutapea, Nahor Murani; Suanto, Elfis
Jurnal Gantang Vol 9 No 1 (2024): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v9i1.6925

Abstract

Critical thinking skills are important for students in the process of learning mathematics. Critical thinking skills in the mathematics learning process can help students better understand the material. This study aims to describe students' critical thinking skills in solving problems on the Two-Variable Linear Equation System material. This type of research is descriptive qualitative. The subjects of the study were 18 students of class VIII MTS Daarun Nahdhah Bangkinang. The data collection instruments used in this study were mathematical critical thinking ability test questions and interview sheets. The test to measure students' critical thinking skills consisted of 4 descriptive questions on the Two-Variable Linear Equation System material. The test results were analyzed according to the indicators of critical thinking skills used in this study: Interpretation, Analysis, Evaluation, and Inference. The results of this study stated that the average value of mathematical critical thinking skills of class VIII students of MTS Daarun Nahdhah Bangkinang was 41.99% in the reasonably critical category. The interpreting indicator is in the low category with an average of 25.78%, the analyzing indicator is in the sufficient category with an average of 54.68%, the evaluating indicator is in the sufficient category with an average of 49.21%, and the inferring indicator is in the low category with an average of 38.28%. Based on the research results above, teachers must get used to giving students non-routine questions in learning, using contextual LKPD, and providing varied learning resources to improve students' critical thinking skills.
Development of student worksheets based on local wisdom in the Riau Islands Province using realistic mathematics education to facilitate mathematical reasoning abilities Yodiatmana, Yodiatmana; Murni, Atma; Hutapea, Nahor Murani
Jurnal Gantang Vol 9 No 1 (2024): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v9i1.7050

Abstract

This research is motivated by students' low mathematical reasoning ability due to conventional teaching methods and the lack of learning resources that support students' reasoning skills. Local wisdom-based student worksheets were developed using the Realistic Mathematics Education approach to address this issue. Local wisdom from Tanjungpinang, Riau Islands, such as Otak-otak and Batik Gonggong, was used as the context for learning Systems of Linear Equations in Two Variables. The research method used is Research and Development (R&D) with a 4D development model (define, design, develop, disseminate). The instruments for assessing validity and practicality were expert validation questionnaires and student response questionnaires using a Likert scale. The effectiveness instrument used was a set of four essay questions. Data obtained on the Likert scale were analyzed using the Method of Successive Interval (MSI). Validation results showed that the student worksheets were categorized as valid, with an average expert validation percentage of 76.2%. Practicality tests yielded an average percentage of 77.59% (small group) and 67% (field test), both categorized as practical. The effectiveness test results showed an average score of 79.8 in the high category, and the mathematical reasoning ability test was deemed effective, with a classical mastery level of 90%. This study highlights the effectiveness of local wisdom-based worksheets using the Realistic Mathematics Education approach to facilitate students' mathematical reasoning skills and encourages teachers to integrate local wisdom into student worksheets.
The Effectiveness of the Development of Discovery Learning Models to Improve Students' Mathematical Reasoning Skills Harianti, Putri; Hutapea, Nahor Murani; Maimunah, Maimunah
Daya Matematis: Jurnal Inovasi Pendidikan Matematika Vol 12, No 3 (2024): Desember
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jdm.v12i3.69363

Abstract

The aim of the research is to see the effectiveness of developing a discovery learning model in improving students' mathematical reasoning abilities. The research population was all class VIII at SMPN 7 Rambah Samo. The research sample was classes VIII A and VIII B with 60 students. The data collection technique used is the test technique. The results of data processing were carried out with the help of the SPSS application. The normality test obtained sig. control class 0.200 and sig. experimental class 0.56. The control and experimental classes have sig. > 0.05 means that both classes have normal distribution. The homogeneity test obtained sig. 0.289 > 0.05 means that both classes have homogeneous variance. Next, an anova test was carried out with a significance level of 5%. The type of anova used is one way anova. The anova test results obtained sig. 0,000 < 5%. This means that there are differences in the effectiveness of developing discovery learning models to improve students' mathematical reasoning abilities. So, it can be concluded that the learning process using the discovery learning model is more effective in improving students' mathematical reasoning abilities than the learning process using a scientific approach.
Analysis of mathematical critical thinking ability of junior high school students in solving problems on two-variable linear equation system Manurung, Julian Lois; Hutapea, Nahor Murani; Suanto, Elfis
Jurnal Gantang Vol 9 No 1 (2024): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v9i1.6899

Abstract

Critical thinking skills are important for students in the process of learning mathematics. Critical thinking skills in the mathematics learning process can help students better understand the material. This study aims to describe students' critical thinking skills in solving problems on the Two-Variable Linear Equation System material. This type of research is descriptive qualitative. The subjects of the study were 18 students of class VIII MTS Daarun Nahdhah Bangkinang. The data collection instruments used in this study were mathematical critical thinking ability test questions and interview sheets. The test to measure students' critical thinking skills consisted of 4 descriptive questions on the Two-Variable Linear Equation System material. The test results were analyzed according to the indicators of critical thinking skills used in this study: Interpretation, Analysis, Evaluation, and Inference. The results of this study stated that the average value of mathematical critical thinking skills of class VIII students of MTS Daarun Nahdhah Bangkinang was 41.99% in the reasonably critical category. The interpreting indicator is in the low category with an average of 25.78%, the analyzing indicator is in the sufficient category with an average of 54.68%, the evaluating indicator is in the sufficient category with an average of 49.21%, and the inferring indicator is in the low category with an average of 38.28%. Based on the research results above, teachers must get used to giving students non-routine questions in learning, using contextual LKPD, and providing varied learning resources to improve students' critical thinking skills.
Development of student worksheets based on local wisdom in the Riau Islands Province using realistic mathematics education to facilitate mathematical reasoning abilities Yodiatmana, Yodiatmana; Murni, Atma; Hutapea, Nahor Murani
Jurnal Gantang Vol 9 No 1 (2024): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v9i1.6903

Abstract

This research is motivated by students' low mathematical reasoning ability due to conventional teaching methods and the lack of learning resources that support students' reasoning skills. Local wisdom-based student worksheets were developed using the Realistic Mathematics Education approach to address this issue. Local wisdom from Tanjungpinang, Riau Islands, such as Otak-otak and Batik Gonggong, was used as the context for learning Systems of Linear Equations in Two Variables. The research method used is Research and Development (R&D) with a 4D development model (define, design, develop, disseminate). The instruments for assessing validity and practicality were expert validation questionnaires and student response questionnaires using a Likert scale. The effectiveness instrument used was a set of four essay questions. Data obtained on the Likert scale were analyzed using the Method of Successive Interval (MSI). Validation results showed that the student worksheets were categorized as valid, with an average expert validation percentage of 76.2%. Practicality tests yielded an average percentage of 77.59% (small group) and 67% (field test), both categorized as practical. The effectiveness test results showed an average score of 79.8 in the high category, and the mathematical reasoning ability test was deemed effective, with a classical mastery level of 90%. This study highlights the effectiveness of local wisdom-based worksheets using the Realistic Mathematics Education approach to facilitate students' mathematical reasoning skills and encourages teachers to integrate local wisdom into student worksheets.
Penerapan Pembelajaran Kooperatif Tipe NHT untuk Meningkatkan Hasil Belajar Matematika Siswa Kelas VII SMP IT Al Fikri IGS pada Materi Garis dan Sudut Rohiimah, Siti; Hutapea, Nahor Murani; Anggraini, Rini Dian
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 9 No 1 (2024): Jurnal Cendekia: Jurnal Pendidikan Matematika Volume 9 Nomor 1
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v9i1.2938

Abstract

Tujuan penelitian melaksanakan perbaikan proses pembelajaran dan peningkata hasil belajar siswa kelas VII SMP IT Al Fikri IGS untuk mata pelajaran matematika. Terdapat dua siklus penelitian tindakan kelas ini. Sejumlah 27 siswa kelas VII SMP IT Al Fikri IGS dijadikan sebagai subjek penelitian ini. Data dihimpun lewat lembar pengamatan dan tes hasil belajar matematika. Penelitian didapatkan hasil yaitu ada perbaikan proses dan hasil belajar matematika siswa kelas VII SMP IT Al Fikri IGS pada materi pelajaran garis dan sudut juga cenderung lebih baik. Ada peningkatan hasil belajar matematika siswa UH I berskor 44,44% ke UH II berskor 74,07%. Diterapkannya model pembelajaran kooperatif tipe NHT bisa membuat hasil belajar matematika lebih baik dan memperbaiki proses pembelajaran siswa kelas VII SMP IT Al Fikri IGS pada materi pelajaran garis dan sudut.
Development of Mathematical Reasoning Ability Test Questions on the Topic of Exponential Functions and Quadratic Functions Kartini, Kartini; Hutapea, Nahor Murani; Rahayu, Dinda
Journal of Educational Sciences Vol. 9 No. 2 (2025): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.9.2.p.652-663

Abstract

Mathematical Reasoning Ability (KPM) is an important ability for students to be able to think logically and draw conclusions related to mathematics. This research aims to develop KPM test questions on exponential functions and quadratic functions. This type of research is Research and Development research with a development study approach which includes preliminary stages and formative evaluation. The formative evaluation stage was adapted from Tessmer, consisting of self-evaluation, expert review, face-to-face, small groups and field tests. The test subjects for this research were students in class XI-6 of SMA Negeri 1 Pekanbaru. Based on the results of the field tests, it was obtained: (1) 15 KPM test questions on exponential functions and quadratic functions which were declared externally valid; (2) the KPM test questions have a reliability value of 0.81 which is categorized as very high; (3) KPM test questions have an average level of difficulty of 0.40 in the "medium" category; and (4) the KPM test questions have an average differentiating power value of 0.44 in the "good" category.
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 (2024): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

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

Abstract

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 &#039; 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 &#039; 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 Nur’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 &#039; 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 &#039; Zulkarnain Zulkarnain Zulkarnain Zulkarnain