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Fakultas Keguruan dan Ilmu Pendidikan Universitas Graha Nusantara Padangsidimpuan Alamat : Jl.Kolonel Hamzah Lubis. No.30
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Jurnal Cermatika
Published by Universitas Graha Nusantara
ISSN : -     EISSN : 27766039     DOI : -
Core Subject : Religion, Science, Education, Engineering,
Religion Automotive Engineering Materials Science & Nanotechnology Mathematics
Jurnal Cermatika means pedagogy or the science of learning, so Jurnal Cermatika is defined as mathematics learning. The presence of mathematics journals is expected to increase the publications in the field of mathematics learning in order to discuss mathematics issues such as students’ perception of mathematics as a difficult subject. Jurnal Cermatika is a periodical academic journal that is published by the Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Graha Nusantara. This Journal is published twice a year (April and October).
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 45 Documents
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IMPLEMENTASI VIDEO EXPLAINER SEBAGAI STRATEGI DALAM PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH SISWA SMP N 1 SINUNUKAN Torang Siregar; Suparni; Almira Amir; Anita Adinda
Jurnal Cermatika Vol. 4 No. 1 (2024): VOLUME 4 NOMOR 1 BULAN APRIL TAHUN 2024
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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Abstract

Abstract This research aims to determine the results of the implementation of Video Explainer in terms of students' Problem Solving Ability. This research is Classroom Action Research which consists of 2 cycles, each cycle consisting of 2 meetings. The data collection technique is through giving a problem solving ability test. The subjects in this research were 28 students of class IX SMP Negeri 1 Sinunukan. The results of the students' problem solving ability test in the initial test showed that 5 students (17.85%) experienced completeness with an average ability test score of 54.82 in the very low problem solving ability category. In the first cycle, there was a classical improvement as shown by the achievement of 13 students (46.42%) completing the test with an average score of 66.78 in the low category. Implementation continued in cycle II, student test results experienced a classical increase, 25 students (89.28%) completed the results with an average score of 80.23 in the high category. From the results of the tests given, there was an increase from the initial test to cycle II. Thus, it is concluded that implementing explainer videos can improve the problem solving abilities of class IX students at SMP Negeri 1 Sinunukan.
STUDI KASUS SMA N 1 SINUNUKAN : IMPLEMENTASI ALGORITMA K-NEAREST NEIGHBOR UNTUK KLASIFIKASI PENERIMA BEASISWA PROGRAM INDONESIA PINTAR (PIP) Torang Siregar; Riski Ardian; Ahmad Arisman; Iskandarsyah
Jurnal Cermatika Vol. 4 No. 1 (2024): VOLUME 4 NOMOR 1 BULAN APRIL TAHUN 2024
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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Abstract

Abstrak Program Indonesia Pintar (PIP) merupakan salah satu kebijakan pemerintah yang diharapkan dapat meningkatkan aksesibilitas dan pemerataan pendidikan di Indonesia, namun dalam pelaksanaannya pemberian beasiswa dari program ini masih dijumpai banyak kasus yang kurang tepat sasaran. Salah satu permasalahannya adalah masih ditemukan siswa penerima bantuan pendidikan yang berasal dari keluarga yang mampu, sedangkan siswa yang kurang mampu justru tidak mendapatkan bantuan. Sehingga diperlukan suatu sistem klasifikasi berbasis web yang dapat mengklasifikasikan siswa layak atau tidak untuk mendapatkan PIP. Penelitian ini mengimplementasikan algoritma -nearest neighbor untuk mengklasifikasikan siswa penerima beasiswa PIP. Penelitian ini menggunakan data siswa/i SMAN 1 Sinunukan, Mandailing Natal yang didapat melalui penyebaran angket sesuai dengan kriteria yang telah ditentukan. Data yang telah diperoleh kemudian dilakukan preprocessing data dengan menggunakan Label Encoder dan Normalisasi Min-Max. Data dibagi menjadi dua jenis yaitu data training dan data testing. -fold cross validation digunakan untuk menentukan nilai yang optimal. Hasil penelitian ini memperlihatkan tingkat akurasi yang dihasilkan berdasarkan hasil pengujian yang dilakukan untuk implentasi algoritma -nearest neighbor dalam klasifikasi kelayakan penerima beasiswa PIP yaitu sebesar 70% dengan nilai .
Penerapan Pembelajaran Kooperatif Tipeteam Games Tournment (TGT)Untuk Meningkatkan Aktivitas Belajarmatematika Siswa Kelas VIII MTs YPKS Padangsidimpuan Siti Gabena Hasibuan; Nova Christina Dewi; Nurdalilah
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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Abstract

This research aims to determine the increase in student learning activities with Team Games Tournament (TGT) type cooperative learning at MTs YPKS Padangsidimpuan. This type of research is classroom action research. The object of this research is to increase student learning activities through TGT type cooperative learning in class VIII MTs YPKS Padangsidimpuan. The research subjects were 33 students in class VIII-4. /friend's explanation was 18%, the activity of reading student books/LKS was 2.5%, the activity of noting the explanation of the teacher/friend/from the book was 12%. , distribution activities by 16%, and activities that are not relevant to learning by 51%. So it was found that student activities for each activity category had not yet reached the ideal activity criteria. The results of the analysis after being given action II were from the results of observing the activity of listening/paying attention to the teacher/friend's explanation by 46%, the activity of reading student books/LKS by 7.5%, the activity of noting the teacher/friend's explanation/from the book by 10.5%, the activity division was 19%, and activities that were not relevant to learning were 17%. This shows that student activities for the four activity categories have experienced improvement, but have met the ideal activity criteria
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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Abstract

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
Peningkatan Aktivitas Dan Kreativitas Belajar Matematika Siswa Melalui Model Pembelajaran Kontekstual Nurdalilah; Reski Wahyuni Hasibuan; Puspa Riani Nasution3
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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Abstract

This type of research is Classroom ActionResearch (CAR) by taking research subjects from Class X TKJ SMKS Al-Hasanah Sibuhuan. It consists of 20 students, 10 male students and 10 female students. The object taken in this study is to increase students' mathematics learning creativity in implementing classroom learning, which specializes in contextual learning strategies, as well as the teacher's role in classroom management. This Classroom Action Research (CAR) was carried out in two cycles which were equipped with Learning Implementation Plans (RPP), Teacher Handbooks (BPG), Student Worksheets (LKS), and test instruments including tests of students' critical thinking skills, student activity observation sheets, as well as teacher performance observation sheets managing learning. Before the instrument was used, it was tested first and obtained from the 10 tests tested there were 10 valid tests, 5 tests for cycle I and 5 tests for cycle II. The calculation shows that the test reliability coefficient is 0.84 for cycle I and 0.89 for cycle II and is stated learning creativity abilities in the first cycle obtained 65% of the minimum criteria sufficient, and for the second cycle 90%. The results of observations of student activity 79.58% of the criteria in the first cycle, increased to 88.33% in the second cycle. From the data analysis, it shows that the implementation of the actions taken has improved the teacher's ability to manage learning, from "Good enough" in cycle I to "Good" in cycle II.
Penerapan Model Pembelajaran Kooperatif Tipe Examples Non Examples Terhadap Kemampuan Berpikir Kritis Matematika Siswa Kelas VIII SMP Negeri 9 Padangsidimpuan TP. 2022/2023 Elvi Rosalinda Siagian; Yuni Rhamayanti; Susi Sulastri Lubis
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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Abstract

This The problem in this research is the low ability of students' critical thinking in mathematics. To overcome this problem, this study applied the Example Non Example learning model. The aims of this study were (1) to find out students' mathematical critical thinking skills which were taught using the Example Non-Example learning model on the subject of geometric shapes better than learning without using the Example Non-Example learning model in class VIII SMP Negeri 9 Padangsidimpuan. (2) To find out the size of students' active learning activities in learning mathematics in the experimental class and the control class. The type of research used in this research is experimental research. The population in this study were students of class VIII SMP Negeri 9 Padangsidimpuan. The research sampling technique is random sampling. The instruments used to collect data were tests of critical thinking skills in mathematics in the form of essays and observations of students' learning activities. The learning tools used in this study are lesson plans, worksheets, and test instruments. The test used is a test that has been validated and is suitable for use. Hypothesis testing used two way Anava with different number of cells, with a significance level of 0.05. The results of the analysis on the two-way Anava with unequal number of cells show: (1) Students who get the Example Non-Example learning model and the ordinary learning model get different learning outcomes in mathematics (Fa = 72.82 with Ftable = 3.97). (2) Students with high, medium, and low critical thinking skills have different learning outcomes in mathematics (Fb = 38.75 with Ftable = 3.12). (3) The results of learning mathematics between students in each learning model for each level of critical thinking skills are not different (Fab = 3.59 with Ftable = 3.12). (4) The results of observing the assessment of the ability of students' learning activities in the experimental class obtained an average of 3.04 and a percentage of 76.06% with a good grade qualification while for the control class obtained an average of 2.48 and a percentage of 62.09% with a qualifying score Enough.
Penerapan Media Pembelajaran Powerpoint Dalam Meningkatkan Hasil Belajar Matematika di SMK Negeri 1 Aek Nabara Barumun Nurhayati Pulungan; Nurdalilah; Susi Sulastri Lubis; Mohd. Arifin
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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Abstract

The research method used was classroom action research using two cycles carried out in the first semester with SPLDV material. The sample in this research was 36 students in class X Office Automation and Management at SMK Negeri 1 Aek Nabara. The class used as a sample is class X Office Automation and Management at SMK Negeri 1 Aek Nabara which will use Power Point media in learning. The results of the research show that the ability of students' learning outcomes in learning Mathematics through the PowerPoint media learning model for class , then increased to 88.55 in the "Good" category in cycle II. The results obtained in cycle II showed that the expected categories had been fulfilled, namely with an average score of 75 and classical completion of 75% of students getting a minimum score of Good.
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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Abstract

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).
Penerapan Model Pembelajaran Kooperatif Tipe Talking Chip Untuk Meningkatkan Hasil Belajar Siswa Pada Mata Pelajaran Matematika Di SMP Negeri 7 Padangsidimpuan Susi Sulastri Lubis; Mohd.Arifin Lubis; Ida Trisnawati
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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Abstract

The research method used is classroom action research using two cycles carried out in the first semester with Number Pattern Material. The sample in this research was 30 students in class VIII-2 of SMP Negeri 7 Padangsidimpuan who would use the Talking Chip Learning Model in learning. The results of the research show that the ability of students' learning outcomes in learning Mathematics through the Talking Chip learning model for class VIII-2 students at SMP Negeri 7 Padangsidimpuan in the Number Patterns material for the 2022/2023 academic year has increased with a completion percentage of 93.3% in the "Good" category. Furthermore, the teacher's ability to manage learning increased to 97.90% with the "Very Good" category. For this reason, the expected results have been fulfilled because they are in accordance with the minimum good category with a percentage of 80%.
PENERAPAN MEDIA PEMBELAJARAN PAPAN STATISTIKA UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI STATISTIKA DIKELAS XII IPA 1 SMA NEGERI 1 RAO Afifah Azmi Nst; Aulia Safitri Lubis; Diyah Hoiriyah
Jurnal Cermatika Vol. 4 No. 1 (2024): VOLUME 4 NOMOR 1 BULAN APRIL TAHUN 2024
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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Abstract

Student learning outcomes are still low due to the low ability of teachers to utilize learning media in the learning process. This makes it increasingly difficult for students to understand the material presented by the teacher, because they become less active and pay less attention to the teacher's explanation of the material presented. This research formulates the question of whether the use of statistics whiteboard media in statistics teaching materials at SMA Negeri 1 Rao Class XII IPA 1 SMA Negeri 1 Rao in mathematics education can improve student learning outcomes. The approach used in this research is classroom action research (PTK) using the Kurt Lewin model which consists of the stages of planning, taking action, observing and reflecting. The subjects of this research were students of Class XII Science 1 SMA Negeri 1 Rao. The data collection tools used are observation to observe student activities and teacher tests to measure student learning outcomes, interviews to collect data, and data collection on statistical board media.

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