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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 30 Documents
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Search results for , issue "Vol 9 No 2 (2025): January" : 30 Documents clear
Increasing Students' Critical Thinking Ability with the Teams Games Tournament (TGT) Learning Model intan syafirah
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6464

Abstract

This inquire about points to survey the affect of executing the Groups Recreations Competition learning demonstrate on numerical issue fathoming abilities in lesson VII understudies at MTs Tarbiyah Islamiyah Ulumahuam. Employing a quantitative approach with a pre-experimental inquire about plan of the One Gather Pretest-Posttest sort, this inquire about included 27 understudies as a test from the lesson VII populace. Based on information investigation, the normal pretest score gotten was 38.00, whereas in treatment, the posttest score experienced a critical increment with an normal of 85.33. The measurable test comes about appear a t-count esteem of 5.55 which is more noteworthy than the t-table of 2.04 at a importance level of 0.01, expressing that there's a critical impact of the TGT demonstrate on students' numerical issue understanding capacities. The application of the TGT show has demonstrated to be successful in moving forward students' capacities since it can increment center, imagination and collaboration in fathoming scientific issues. By utilizing this model, understudies are more effectively included within the learning prepare, which closes in a significant increment in science learning results. Keywords: Mathematical Critical Thinking Ability, Teams Games Tournament (TGT) Model.
Analysis of Cyanide (CN) Compounds in Gewang Fruit (Corypha utan Lamk) Vedy Yeriel Koy; James Ngginak; Novi Ivone Bullu
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6465

Abstract

Plants in general are able to produce secondary metabolite compounds that act as a protector against predators. Gewang fruit is often used by the people of Kolbano Village as a natural poison to catch fish.. The purpose of this study is to analyze the cyanide (CN) compound content in gewang fruit (Corypha utan Lamk). This study uses a trimetric method. There are two types of samples used in this study, namely raw samples and dry samples. The results of the qualitative testing of the cyanide compound content in the gewang fruit on 2 (two) samples showed that the color changed from yellow to white and a precipitate was formed at the bottom of the solution when reacted with AgNO₃, which showed that the gewang fruit positively contained cyanide compounds (CN). The average cyanide content in the raw gewang fruit samples was 11.52 mg/L or 9.25%. Meanwhile, the average cyanide level in the dry samples was 18 mg/L or 17,19 %.
Non-Linear Regression on the Number of Stunting Cases in Central Java in 2023 Syasya Qonita Azizah
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6469

Abstract

Chronic nutritional problems, namely stunting, have a major impact on physical growth and development of children, especially in Central Java. Central Java Province is one of the regions with the highest number of stunting in Indonesia, reaching 20.7% in 2023. This study used data from the 2023 Central Java Health Profile. This study aims to analyze the relationship between factors that cause stunting, including access to proper sanitation, complete basic immunization, underweight, exclusive breastfeeding, maternal health services K4, maternal health services K6, completion of basic education, and Consumption of Blood Supplement Tablets to the number of stunting cases in Central Java. The analysis used the Generalized Linear Model (GLM) and Integrated Nested Laplace Approximation (INLA) approaches with three distributions, namely Poisson, Gaussian, and Negative Binomial distributions. Negative Binomial Model. The Negative Binomial distribution proved to be the best model in analyzing stunting data in Central Java based on the smallest values in AIC, BIC, dan DIC. Based on the analysis results obtained, the percentage of underweight in toddlers shows a significant influence on the number of stunting cases in Central Java.
SURVIVAL ANALYSIS WITH WEIBULL REGRESSION ON THE RATE OF HEALING OF DIABETES MELLITUS PATIENTS Widya Wahyu Cahyani; Fibri Rakhmawati
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6490

Abstract

Survival analysis is a statistical technique used to study survival related to time, starting from the initial time of the study that has been determined until the end time of the study, therefore the purpose of this study was to determine the equation of the Weibull regression model of the clinical condition of patients with diabetes mellitus at the Malahayati Islamic Hospital Medan and what factors affect the rate of recovery of the clinical condition of patients with diabetes mellitus. The type of research used in this paper is Applied Research, from data collection and analysis, the results are obtained based on the Kaplan-Meier curve, visually it can be seen that the longer the coronary heart disease patient recovers (t). the less likely they are not to recover until time t. The Kolmogorov-Smirnov test was used to test the Weibull distribution, which describes the survival time of patients with diabetes mellitus. The partial test results indicate that the variables of gender, age, hyperglycemia, hypertension, and complications significantly impact the model. The following is how the Weibull regression model for the recovery time data of patients with diabetes mellitus was acquired for this study: S (t|x) = exp (-exp (1.42219+ (-0.01018)x1 + 0.03942x2 + (-0.02976)x3 + (-0.01887)x4 ) t ) α
Implementation Of Dynamic Program In Determining The Optimum Path In The Distribution Of Pertamina Chemical & Agrochemical Lubricating Oil With Forward Recursive Equation PT.Pola Raya Jaya Sakti Uswatun Hasanah Nasution; Fibri Rakhmawati
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6494

Abstract

Pola Raya Jaya Sakti is a company engaged in the distribution of Pertamina Kimia & Agrochemical Lubricants. In its operations, this company is faced with the challenge of determining the optimum route in the lubricant oil distribution process in order to optimize production efficiency and reduce production costs. Based on research using a dynamic program with a Forward Recursive Equation, namely A → C → D → E → H → I → K → L → N → O → Q → R → S, where the sequence of locations is Jln. Sampali Road No 151 → Jln. Kesuma → Jln.Letda Sujono → Jln. Padang → Jln. Panglima Denai → Flyover Amplas → Tanjung Morawa → Lubuk Pakam → Tebing Tinggi → Ring Road Lima Puluh → Jln.Perintis Kemerdekaaan → Simpang Kawasan Ekonomi Khusus KEK Sei Mangkei → PT. Unilever Oleochemical Indonesia. The total distance is A+ C + E + H + I + L + N + O + Q + R = 0 + 8.5 km + 7.3 km + 4.4 km + 13 km + 70 km + 50 km + 16 km + 9.5 km+ 3 km = 181.7 km.
Prediction of Monthly Rainfall using Fuzzy Logic Tsukamoto in Medan Belawan Dian Aulia Zulfa; Hendra Cipta
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6499

Abstract

Rainfall prediction plays an important role in understanding the pattern of rainfall movement for daily life. This research aims to predict monthly rainfall in Medan Belawan using the Tsukamoto fuzzy logic method. Tsukamoto fuzzy logic is used to predict monthly rainfall in Medan Belawan. This method uses several steps, starting from data input, fuzzification, inference, to defuzzification to help predict rainfall. This research aims to apply Tsukamoto fuzzy logic to monthly rainfall prediction. Fuzzy logic has tolerance for imprecise data. This rainfall prediction uses 4 (four) input variables, namely air temperature, air humidity, air pressure and wind speed, and 1 (one) output variable, namely rainfall as a crips value which is the output generated for rainfall prediction. The data used is 12 monthly data from January 2023 to December 2023. The results show the accuracy of the fuzzy method of 57.75% using the MAPE calculation and show that the calculation of the Tsukamoto fuzzy method is sufficient or feasible to do.
Concept Understanding Analysis Reviewed from Metacognition Susi Sutarni
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6501

Abstract

This study aims to analyze the relationship between metacognition ability and understanding of mathematical concepts of grade VII students. This study used a qualitative descriptive method, with three students selected based on their level of metacognition ability (high, medium, low). Data were collected through written tests, in-depth interviews, and observations. The analysis is carried out based on indicators of understanding mathematical concepts, such as restating concepts, classifying objects, developing concept terms, and selecting and implementing appropriate procedures. The results of the study show that students with high metacognition skills are able to understand concepts in depth, consistently, and effectively in practical application. Students with moderate metacognition skills show quite good understanding but are less consistent. Meanwhile, students with low metacognition skills experience significant difficulties in understanding and applying mathematical concepts. These findings emphasize the importance of metacognition-based learning strategies to improve students' understanding of mathematical concepts.
Developing an Interactive E-Module Based on Flipbook for Solid Geometry Diva Nathania; Santri Chintia Purba; Jitu Halomoan Lumbantoruan
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6524

Abstract

This research aims to develop an interactive E-Module based on flipbook on solid geometry material that is valid and feasible. The research method used is Research and Development (R&D). The development research model used is the level 1 development research model from Sugiyono. The research location is at SMPN 50 East Jakarta. Data collection techniques used are interviews, observations, and questionnaires. The results of the research are an interactive E-Module validated with an average material validation result from 2 validators with a percentage of 80% in the Feasible category, an average media validation result from 2 validators with a percentage of 91.8% in the Very Feasible category, and an average language validation result from 2 validators with a percentage of 88% in the Very Feasible category. Therefore, it can be concluded that the interactive E-Module based on flipbook on solid geometry material is valid and feasible for use in mathematics learning for seventh-grade junior high school students. Thus, it can be concluded that the interactive E-Module based on flipbook on solid geometry material is valid and feasible for use in mathematics learning for seventh-grade junior high school students.
Measuring the Immeasurable: Calculating the Volume of Noah's Ark Using Integrals Can Reveal the Clarity and Sufficiency of the Bible. Ruth Ririn Vania Siregar; Santri Chintia Purba; Risma Uly Manalu
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6558

Abstract

Mathematics is known as a science that always uses concepts and calculations. Under the pretext that mathematics is just calculations, of course, there is a possibility that there will be a response about mathematics that has nothing to do with the story in the Bible. In fact, based on previous research, it has been stated that one of the two qualities of the Bible is Clear and Sufficient. Considering these two properties, this study aims to prove that the Calculation of the Volume of Noah's Ark using Integral can Reveal the Clarity and Adequacy of the Bible. The research method used is a descriptive research method based on biblical statements that are calculated using integrals. The final result of this study states that the Calculation of the Volume of Noah's Ark using Integral can indeed reveal the Clarity and Sufficiency of the Bible as a form of immeasurable measurement. The meaning is: 1) The clarity of the Bible regarding the Volume of Noah's Ark using Integral can be interpreted and understood with the help of the Holy Spirit. 2) The sufficiency of the Bible regarding the Volume of Noah's Ark using Integral can be interpreted and used as a guideline for every believer's life.
Using Ant Colony Optimization to Solve a Vehicle Routing Problem: Waste Transportation Routes in Bengkulu City Case Study Ramya Rachmawati; Siska Yosmar
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 9 No 2 (2025): January
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v9i2.6635

Abstract

The waste problem is one of the serious problems faced by every city in Indonesia, including Bengkulu City. To overcome the problem of waste production which continues to increase every day, the government's role is needed in efforts to transport waste with various facilities and support from the surrounding community. One effort to solve the problem of waste piling up in Temporary Disposal Sites (TPS) is to schedule effective transportation to Final Disposal Sites (TPA). To do the scheduling, one possible approach is a mathematical approach. The purpose of this research is to build a Vehicle Routing Problem (VRP) model using Ant Colony Optimization (ACO), and determine the solution of this model to determine the optimal solution to the problem of transporting waste from all TPS to TPA. This research involved 29 TPS in Bengkulu City. This model is solved using Python 2.7 programming language and PuLP modeller and CPLEX Solver. With 2000 iterations, solutions were found in a relatively short time, which is less than 10 minutes. There are 6 garbage transportation routes in Bengkulu City which are considered as a VRP problem by using ACO which can transport garbage and considering the capacity of garbage trucks. From this route, a total distance of 128 km is obtained.

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