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Edumatsains
Published by Universitas Kristen Indonesia
ISSN : 25277642     EISSN : 25277235     DOI : -
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry Education Mathematics Physics
Jurnal EduMatSains merupakan wadah untuk menampung dan mempublikasikan hasil karya baik berupa hasil penelitian maupun kajian teori yang original dalam ruang lingkup pendidikan matematika dan pendidikan sains (fisika, kimia, biologi) serta ilmu matematika dan ilmu sains (fisika, kimia, biologi) bagi semua civitas academika khususnya dosen, guru, peneliti dan mahasiswa. Jurnal EduMatSains terbit sebanyak dua kali dalam satu tahun (Juli dan Januari). Jurnal EduMatSains diterbitkan Oleh Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia.
Arjuna Subject : -
Articles 359 Documents
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ANALISIS REGRESI FAKTOR-FAKTOR YANG MEMPENGARUHI HASIL PRODUKSI PADI DI INDONESIA BAGIAN BARAT Jeni Marianti Loban
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol. 8 No. 1 (2023): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i1.4856

Abstract

This study aims to measure the influence of factors affecting rice production in the western part of Indonesia. Data analysis used multiple linear regression analysis, using the independent variable X1 = land area (Ha), X2 = rainfall (mm) and X3 = rainy days (days) on the dependent variable, namely the amount of rice production (Y). In this study, it was analyzed how much influence the land area (Ha), rainfall (mm), rainy days (days) had on the amount of rice production (tons). Data analysis using the help of RStudio software. The regression model obtained is Y=61.6+0.000007917X_1-0.1541X_2+0.0002555X_3 with a value of R2=0.9268.
PENGEMBANGAN BAHAN AJAR UNTUK MENUNJANG PEMBELAJARAN KURIKULUM MERDEKA PADA MATERI BENTUK MOLEKUL FASE F SMA/MA Farras Aulia Sugria; Mawardi Mawardi; Fajar Isnaeni
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol. 8 No. 1 (2023): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i1.4918

Abstract

After the pandemic, the Ministry of Culture, Research and Technology issued a solution to overcome learning lag, namely the implementation of an Merdeka Curriculum. In its implementation, the current Merdeka Curriculum still has obstacles regarding the availability of incomplete teaching materials, especially in Phase F chemistry learning. This study aims to develop and determine the level of validity of teaching materials on molecular shapes so that they can support the Merdeka Curriculum in Phase F chemistry learning SMA / MA. Teaching materials were developed based on the Plomp model developed by Tjeerd Plomp. There are 3 stages, namely initial investigation, prototype development, and assessment. Data were collected through primary data derived from the results of interviews, validity, and practicality. The results of individual interviews with students show that teaching materials have attracted the attention of students, the results of validity derived from 5 UNP chemistry lecturers obtained a score v = 0.82 with a valid category, while the results of practicality derived from 2 teachers of SMAN 2 Padang obtained a score NP = 88% and and 9 students obtained a score NP = 95% so that both are categorized as very practical. Based on this, this teaching material is suitable for use to support the Merdeka Curriculum. Teaching materials are expected to be a solution for teachers in carrying out chemistry learning in accordance with the Merdeka Curriculum to create students who have critical thinking, careness and complex problem solving skills.
BERPIKIR KOMPUTASIONAL SISWA SMP DALAM MENYELESAIKAN MASALAH MATEMATIKA Paranita Meitjing; Yusuf Fuad
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol. 8 No. 1 (2023): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i1.4976

Abstract

The important skill to be applied in the 21st century is computational thinking (CT). Students need to develop computational thinking skills by being trained to solve open-ended problems. The descriptive qualitative method is the method used in this research. This research aims to describe the computational thinking skills of junior high school students in solving open-ended mathematical problems by explaining each component of computational thinking, namely abstraction, decomposition, algorithmic thinking, generalization, and debugging. The subjects of the research were several 8th-grade students from a private junior high school in Surabaya, consisting of 55 students who had been given TKM and TPM. Then, 3 students with different categories who provided unique answers were selected. Student in the low computational thinking category (BK1) do not fulfill all computational components. Student in the moderate category (BK2) have incomplete results in the final solution, and the problem-solving methods provided are also inadequate, resulting in imperfect final outcomes. Student in the high computational thinking category fulfill all computational components. Student (BK3) provides correct and varied problem-solving methods and solutions.
PENERAPAN MODEL PEMBELAJARAN STUDENT TEAM ACHIEVEMENT DIVISION UNTUK MENINGKATKAN KEMAMPUAN MATEMATIS Putri Saron Mallini; Santri Chintia Purba; Hotmaulina Sihotang
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol. 8 No. 1 (2023): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i1.5094

Abstract

Mathematics learning is designed to achieve the objective of mathematics learning, that is to stimulate students to grow their mathematical abilities. However, the activities of teaching-learning have been applying the conventional learning method, in which the teacher has full control of learning so that students' mathematical abilities are classified as low. The learning model that is applied to the solution to improve students' mathematical abilities is Student Team Achievement Division (STAD). This research involved VIII classes of SMP Negeri 50 Jakarta, which are VIII-B and VIII-D classes using a Quasi-Experimental Design. Data collection was based on a pretest, posttest, and gain data by statistical test through the Mann-Whitney U test by the calculation of the program SPSS 26 because the data is not a normal distribution and not homogeneous so that it is obtained that: (1) There is a difference in mathematical ability between students who apply STAD and Expository learning models. The average posttest score of mathematical ability between students with the STAD learning model treatment is superior to the Expository learning model, that is 66,64 and 15,78. (2) There is a difference in improving mathematical ability between students who apply the STAD and Expository learning models. The average gain score of mathematical ability between students who apply the STAD learning model is superior to the Expository learning model, that is 64,56 and 13,08.
PENGARUH MOTIVASI BELAJAR TERHADAP HASIL BELAJAR PADA SISWA KELAS XI SMA NEGERI 73 JAKARTA Daniel Dongan Parulian Siagian; Santri Chintia Purba; Kerdid Simbolon
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol. 8 No. 1 (2023): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i1.5100

Abstract

Education plays an important role in the development of science and technology by creating skilled human resources. In learning activities, motivation and of course the learning outcomes themselves cannot be separated. Experts say that good learning outcomes are influenced by high motivation. The purpose of this research is to find out whether there is influence between students' learning motivation and student learning outcomes. This research was conducted at SMA Negeri 73 Jakarta Class XI in the even semester of the academic year. This study uses a survey method to find the relationship between variables with a simple linear regression technique. Sampling used was purposive sampling, amounting to 150 students. Instruments in the form of a questionnaire / questionnaire learning motivation and daily test scores of all students of class XI. Based on the results of the hypothesis test, it is known that there is an influence between the learning motivation variable on the learning outcomes of class XI students in the compulsory mathematics subject at SMA Negeri 73 Jakarta. The results showed that the simple regression model can be used to predict learning motivation variables on learning outcomes, or there is an effect of learning motivation variables (X) on learning outcomes (Y), with a significance level of 0.000 < 0.05.
ANALISIS PENTINGNYA PENDIDIKAN ANTI KEKERASAN DALAM LINGKUNGAN KELUARGA DAN SEKOLAH Winna Clara Shinta
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol. 8 No. 1 (2023): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i1.5105

Abstract

Non-violence education is a progressive approach to educational transformation that deeply reveals the vulnerabilities, failures and practices of violence in multiracial coexistence. As an educator, a teacher must be cool and service-oriented to children at school. Because the teacher's social status should not be considered as the cause of educational development, because it is in their hands that the nation's children will be educated and educated to maturity. Therefore the government must seriously prepare reliable and professional teachers who also understand the character of students and are anti-violence. However, it should also be remembered that the role of parents in transforming their children into human beings who care about the environment, upholding human and ethical values is also very important. The method used in this study is a qualitative method, this method was chosen because it aims to determine how to find, collect, process, and analyze data from the results of the research. Anti-violence education is not only the responsibility of the government or educational institutions, but also the responsibility of all members of society. Collaboration and participation of various parties is the key in creating a safe and peaceful environment for all individuals. By prioritizing non-violence education, we can build a society that is more dignified, full of respect and appreciates differences. In this way, we can achieve our common goal of creating a more just and peaceful world for present and future generations.
ANALISIS TINGKAT KONSENTRASI BELAJAR MATEMATIKA SISWA KELAS VII-H SMPN 2 MAJALAYA KARAWANG Rontauli Sihotang; Hotmaulina Sihotang; Stevi Natalia
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol. 8 No. 1 (2023): Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i1.5114

Abstract

Since a government policy that mandated social isolation or restrictions on social interaction to prevent the spread of the COVID-19 virus, online education has been practiced in Indonesia. Various communication tools, such as Google Classroom, Google Meet, Zoom, Edmodo, or WhatsApp, are used for online learning activities. In the current state of online education, many factors contribute to students becoming sluggish or disinterested in their studies, such as the fact that it requires a high level of concentration, time, and energy, as well as feelings of compulsion to abandon some activities that, in comparison to learning, are more enjoyable. others, both positive and negative exercises. Therefore, the purpose of this study is to investigate the learning concentration level of students in class VII-H at SMPN 2 Majalaya Karawang. by employing qualitative exploratory techniques. The findings indicate that students in grades VII through H have a moderate level of concentration.
The Relationship between Breakfast Habits and Knowledge of Nutritional Status and Learning Achievement of Class VII Students of SMPN 02 Banjar Agung, Lampung Rahayu Yekti Maryanto
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 1 (2024): July
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i1.3545

Abstract

Breakfast is an activity that has benefits for school children which contributes energy and nutritional needs to support daily activities. Better memory is associated with increased glucose, indicating brain performance, especially those related to memory aspects. Consuming breakfast can improve cognitive learning and academic achievement. If children have good nutritional knowledge, they will determine which foods to consume that are healthy and have high nutrition. The aim of this research is to determine the relationship between breakfast habits and knowledge of nutritional status and learning achievement at SMPN 02 Banjar Agung, Lampung. The method used in this research uses descriptive analytics with a cross sectional approach. This research was conducted from June to July 2022. The number of samples in this research was 120 class VII students at SMPN 02 Banjar Agung who were filtered according to inclusion and exclusion criteria. The data was tested in the semester. This research showed that 100 people (80.0%) had good breakfast habits and 89 people (74.2%) had good learning achievements. Based on the results of the Chi Square test, the relationship between breakfast and knowledge of nutritional status obtained a p value = 0.040 (p < 0.05). The results of the Chi Square test regarding the relationship between breakfast and learning achievement obtained a p value = 0.000 (p < 0.05). It can be concluded that there is a significant relationship between breakfast and children's nutritional status and learning achievement.
SMART BOOK MATHEMATIC FOR DIFABEL (SOMABEL): WEBSITE-BASED MATHEMATICS LEARNING MEDIA FOR MENTALLY DISABLED STUDENTS USING CARDBOARD WASTE Rewan Jayadi; Siska Yosmar
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 8 No 2 (2024): Januari
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i2.4685

Abstract

Anak Berkebutuhan Khusus (ABK) memiliki keterbatasan secara fisik, mental, emosi, sosial, dan intelektual, dalam hal ini salah satu yang termasuk sebagai anak berkebutuhan khusus adalah tunagrahita, ini dikarenakan memiliki nilai intelengensia di bawah rata-rata dapat menjadi hambatan bagi mereka sehingga kesulitan untuk memahami materi pada proses pembelajaran terkhususnya matematika. Sehingga diperlukan suatu inovasi yang memiliki tujuan untuk menciptakan media pembelajaran matematika bagi anak tunagrahita dalam mendukung target SDGs 2030 (Sustainable Development Goals) yaitu Smart Book Mathematic for Difabel (SOMABEL) yang harapannya mampu mendukung mereka dalam menghadapi hambatan belajar matematika khususnya materi bangun datar. Metode penelitian yang dipilih adalah Research and Development (R&D), pengumpulan data yang dilakukan dengan studi kasus, studi Pustaka, observasi dan wawancara. Hasil penelitian menunjukkan bahwa media pembelajaran Somabel dapat meningkatkan semangat belajar siswa tunagrahita yang mana media ini secara langsung terintegrasi pada teknologi berbasis website, yang memiliki sekaligus melestarikan budaya Provinsi Bengkulu, serta desain buku dan media fisik yang menarik sehingga tidak membosankan dalam belajar materi matematika. Inovasi media pembelajaran ini juga membantu para guru dalam mengajar guru, karena selain bisa menjadi bahan referensi media ini juga tidak membosankan dan bisa menjadi pengetahuan tambahan untuk pengenalan budaya yang ada di Provinsi Bengkulu. Kata kunci: Pembelajaran Matematika, Research and Development, Website
NPWP ENCRYPTION USES A COMBINATION OF ONE TIME PAD ALGORITHM AND EXCLUSIVE-OR OPERATION Margaretha Pasaribu; Sherli Yurinanda; Niken Rarasati
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 8 No 2 (2024): Januari
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v8i2.5039

Abstract

Nomor Pokok Wajib Pajak (NPWP) is the 20 distinct code characteristics that are confidential only to the taxpayer when it comes to making tax transactions. The many tax payers who use NPWP others in their business activities make NPWP a very important aspect of maintaining confidentiality and the authenticity of their data. Therefore, solutions are needed that can be used to make the necessary information secure. Cryptography involves the secret science of code writing using certain mathematical models.The study discusses NPWP encryption using a combination algorithm One Time Pad (OTP) and an operation Exclusive-OR (XOR). The encryption process involves generating random numbers for an OTP algorithm, after which it is followed by an XOR operation. The key on XOR encryption is generated from an algorithm generating random numbers Blum Blum Shub. Encryption keys generated as much as the number of plaquic characters. The encryption keys used by each character would vary and not occur again. Therefore, ciphertext results from an encrypted process using an OTP algorithm and an XOR operation more complicated and more difficult to decipher by crypts.

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