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All Journal EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA JURNAL MathEdu (Mathematic Education Journal) Nabla Dewantara : Jurnal Pendidikan Matematika Jurnal Riset sosial humaniora, dan Pendidikan (Soshumdik) Jurnal Cermatika Jurnal Cermatika Jurnal Pengabdian Indonesia
Haritsah Hammamah Harahap
Pendidikan Matematika Univ. Graha Nusantara (UGN) Padangsidimpuan
Religion Agriculture, Biological Sciences & Forestry Automotive Engineering Education Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Social Sciences

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Journal : Jurnal Cermatika

 1 
PENGARUH MODEL PEMBELAJARAN BLENDED LEARNING TERHADAP KEMAMPUAN BERPIKIR KREATIF MATEMATIKA SISWA DI SMP SWASTA KAMPUS PADANGSIDIMPUAN Haritsah Hammamah Harahap
Jurnal Cermatika Vol. 1 No. 2 (2021): JURNAL CERMATIKA, VOLUME 1, NOMOR 2, OKTOBER 2021
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This study aims to determine the extent of the influence of the blended learning model on the creative thinking ability of students on the subject of straight-line equations in class VIII of Private Junior High School, Padangsidimpuan Campus. This type of research is an experimental research designed in a one group pretest posttest design model. The population in this study were all eighth grade students of the Padangsidimpuan Private Junior High School, as many as 136 students consisting of 4 classes. The sample is part of the population that is considered to represent the population to be used as a source of data or information in a study. The sampling technique used is cluster random sampling where each class has the same opportunity to become the research sample. The class that became the sample was class VIII-3, which consisted of 33 students. The results showed that students' mathematics learning outcomes using the blended learning model were higher with an average of 74.09 than students' mathematics learning outcomes using direct or face-to-face learning models with an average of 66.36. Based on the results of hypothesis testing at a significance level of 5% using Minitab software, it can be concluded that there is an effect of the blended learning learning model on the creative thinking ability of students on the subject of straight line equations in class VIII of Private Junior High School, Padangsidimpuan Campus.
Pengaruh Strategi Pembelajaran Reading, Questioning, And Aswering (RQA)-Terhadap Hasil Belajar Siswa Pada Pokok Bahasan Sistem Persamaan Linear Di Kelas X SMK Negeri 1 Angkola Timur Muhammad Fahmi Lubis; Susi Sulastri Lubis; Haritsah Hammamah Harahap
Jurnal Cermatika Vol. 3 No. 2 (2023): JURNAL CERMATIKA VOLUME 3 NOMOR 2 BULAN OKTOBER TAHUN 2023
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This research was conducted at SMK Negeri 1 East Angkola with the aim of 1) To find the average student learning outcomes using RQE learning on the subject of systems of linear equations in two variables at SMK Negeri 1 East Angkola 2) To find out the average results of those who did not use RQE learning strategy on the subject of systems of linear equations in East Angkola 3) To find out whether there is an influence of the RQE learning strategy on mathematics learning outcomes in class X at SMK Negeri 1 East Angkola. This research uses the Quasi Experiment method. Data collection was carried out using the final test technique (post test). The samples in this study were class X RPL 1 and class X RPL 2 where class RPL 1 was used as the experimental class and class RPL 2 was used as the control class. This research data was analyzed using SPSS Anova statistical analysis. The research results show that t count > t table, or Ho is rejected (8.646 > 2.034). So, it can be concluded that there is an influence of the use of the Reading Questioning and Answering learning strategy on the learning outcomes in mathematics for class
Upaya Meningkatkan Hasil Belajar Dengan Model Pembelajaran Demontrasi Berbantuan Lembarkerja Siswa (LKS) Di Kelas VII SMP Negeri 9 Padangsidimpuan Tahun Ajaran 2021/2022 Makrup Hasbi; Adek Nilasari Harahap; Haritsah Hammamah Harahap
Jurnal Cermatika Vol. 3 No. 2 (2023): JURNAL CERMATIKA VOLUME 3 NOMOR 2 BULAN OKTOBER TAHUN 2023
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This research method used is classroom action research using two cycles carried out in the first semester with Set material.The population in this study were VII grade students of SMP Negeri 9 Padangsidempuan as many as 30 people. The class that was used as the sample was class VII-2 of SMP Negeri 9 Padangsidimpuan with 30 students. As the sample is class VII-2 SMP Negeri 9 Padangsidimpuan which will use the demonstration method aided by the set material. will use the demonstration method assisted by student worksheets (lks) in learning. learning. The ability of student learning outcomes in learning mathematics inclass VII-2 SMP Negeri 9 Padangsidempuan on set material increased by 62.4% with the category "sufficient" in cycle I, then increased to 91% with the category "good" in cycle II. with the category "good" in cycle II. Increased student learning activities on set material in the cycle with a percentage result of 75.08% and in cycle II the results increased to 87.27%. For teacher ability in cycle I obtained an average activity score of 3.40 (good) and in cycle IIobtained an average activity score of 3.68 (very good).
Meningkatkan Hasil Belajar Matematika Dengan Penerapan Model Pembelajaran Inquiri Learning Dengan Bantuan LKS Di Ponpes Al-Yusufiah Nur Atika Lubis; Haritsah Hammamah Harahap; Andi Saputra Mandopa
Jurnal Cermatika Vol. 4 No. 2 (2024): VOLUME 4 NOMOR 2 BULAN OKTOBER TAHUN 2024
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This research aims to determine the direct influence of the Inquiry Learning learning model to improve Mathematics learning outcomes for class VII Al-Yusufiah Huta Holbung Islamic Boarding School. The research method used is classroom action research using two cycles carried out in the second semester with material about lines and angles. The population in this study was 29 class VII students at the Al-Yusufiah Huta Holbung Islamic Boarding School. The class used as a sample is class VII-I of the Al-Yusufiah Huta Holbung Islamic Boarding School which will use the Inquiry Learning method assisted by student worksheets (LKS) in learning. The ability of students' learning outcomes in mathematics learning in class VII-I of the Al-Yusufiah Huta Holbung Islamic Boarding School on lines and angles in the first cycle increased by 55% with the "sufficient" category, then in the second cycle it increased to 86.21% with the "good" category. ”. The increase in teacher and student observation results on line and angle material in cycle I averaged 71.5% (adequate) observation results. the results of the second cycle of observations were 77.5% (Good).
Analisis Kemampuan Pemahaman Konsep Matematika Kelas VII SMP Negeri 7 Padangsidimpuan Melalui Pemanfaatan Media Audio Visual Pada Materi Bilangan Bulat Nurhaida; Puspa Riani Nasution; Haritsah Hammamah Harahap
Jurnal Cermatika Vol. 4 No. 2 (2024): VOLUME 4 NOMOR 2 BULAN OKTOBER TAHUN 2024
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This study aims to determine students' conceptual understanding after using audio-visual media on the topic of integer operations, using five indicators of mathematical conceptual understanding in Class VII 3 at SMP N 7 Padangsidimpuan. This research is qualitative in nature. The data in this study were obtained from direct observations, interviews with teachers, and interviews with students. After the data were collected, they were analyzed using three stages: data reduction, data presentation, and verification or conclusion drawing. Data validity was checked using data source triangulation. The subjects of this study were two Class VII teachers and 26 students from Class VII 3. The results of this study show that after learning using audio-visual media, some students experienced an improvement in their conceptual understanding. This improvement was observed across all indicators of conceptual understanding. Most students demonstrated a good understanding of integer operations, although a small number of students still struggled with this concept.
Co-Authors Adek Nilasari Harahap Agus Makmur Agus Makmur Panjaitan Andi Saputra Mandopa Andi Saputra Mandopa Andri Hansaso Nasution Bayo Harahap Bynoto Hutabarat Desi Fitrah Nainggolan Desmalia Purba Eka Retno Wulandari Erwin Erwin Fitri Jelita Irsan Rangkuti Joharis Lubis Makrup Hasbi Makrup Hasbi Masyitha , Masyitha Mohd. Arifin Muhammad Fahmi Lubis Muhammad Fahmi Lubis Nova Christina Dewi Nur Atika Lubis Nur Atika Lubis Nurhaida Nurhaida, . Puspa Riani Nasution Puspa Riani Nasution Putri Wahyuni Rahima Safitra Pane Rhamayanti, Yuni Rika Anggita Rumona Habibah Lubis Rumondang Bulan Harahap Susi Sulastri Lubis Yuni Rhamayanti Zainur Aini Nasution