ABSTRACT: This study focuses on the optimization of alkali mass fraction in the manufacture of used cooking oil soap and its quality testing with variations in alkali mass of 7.5; 8; 8.5; and 9 grams. This study aims to optimize the alkali mass fraction in the manufacture of solid soap from used cooking oil and evaluate its chemical quality and organoleptic characteristics. Four types of used c…
This study aims to describe the mathematics learning process and analyze the learning outcomes of Two Variable Linear Equation Systems (SPLDV) material using a Deep Learning approach. The research subjects were 23 ninth-grade students at SMP Negeri 58 Palembang. This study used a descriptive method with data collection through observation and written tests consisting of three contextual questio…
ABSTRAK Kesulitan siswa sekolah dasar dalam memahami konsep pecahan melalui buku teks konvensional menjadi latar belakang penting pengembangan media pembelajaran yang lebih interaktif dan kontekstual. Hasil analisis kebutuhan menunjukkan bahwa 85% siswa merasa bahwa media interaktif dapat membantu meningkatkan pemahaman mereka terhadap materi pecahan. Berdasarkan kondisi tersebut, penelitian in…
This study aims to explore factors closely associated with the Prevalence of Undernourishment (PoU) in Indonesia and to estimate the probability of PoU levels based on influential variables. The methods used are CHAID and ordinal logistic regression. The independent variables analyzed include rice production, population density, percentage of poor population, percentage of per capita food expen…
Students often consider exponential material as easy to understand. In fact, students are not yet fully able to understand and master exponential problems, especially the material on integer powers. The majority of students still have difficulty in mastering and understanding exponential material. This study will discuss the application of problem-solving-based learning using the context of wor…
The agricultural sector plays an important role in supporting food security, providing raw materials, and improving the economy of a country. The purpose of this study was to determine agricultural production results graphically and grouping districts/municipalities based on agricultural production results using biplot analysis and single linkage and complete linkage cluster analysis. The objec…
This study aims to formulate an improved C-RAN and IRC model using a fair-network approach based on demand response and heterogeneous incentives, incorporating an exponential utility function, bundling schemes, and user-side optimization of bandwidth usage. In addition, sensitivity analysis is conducted to identify fluctuations in variables and parameters that may affect the optimal solution. T…
Dalam perhitungan secara matematis dan spasial, risiko bencana dinilai dalam bentuk nilai indeks yang merupakan gabungan nilai dari indeks bahaya, indeks kerentanan, dan indeks kapasitas. Potensi bahaya (H) tidak dapat dihilangkan karena merupakan proses alam, sedangkan kerentanan (V) akan mengikuti selama terdapat aktivitas manusia. Kapasitas daerah (C) adalah kemampuan daerah dan masyarakat u…
Mathematical literacy is a fundamental 21st-century competence that enables individuals to formulate, apply, and interpret mathematics in diverse real-life contexts. However, Indonesian students’ mathematical literacy performance, particularly in inclusive school settings, remains relatively low, as reflected in the PISA 2022 results. One of the main challenges lies in teachers’ limited und…
Household preferences in the use of subsidized and non-subsidized LPG are influenced by various socio-economic factors. Therefore, to identify the factors that affect household preferences in using subsidized or non-subsidized LPG, a further analysis using ordinal logistic regression is required. The data used in this study are primary data obtained through questionnaire distribution. The resul…
Liver tumors are abnormal tissue growths in the liver that can be benign or malignant. Separating tumor tissue from healthy tissue in CT scan images can be done using segmentation techniques with Convolutional Neural Networks (CNN). The CNN architecture that can be used in image segmentation is U-Net. The encoder extracts important features from the image, but this process can cause the loss of…
Media online memiliki peran dalam menentukan isu yang dianggap penting melalui proses seleksi dan penonjolan informasi. Media tidak hanya berfungsi sebagai penyampai informasi, tetapi media juga membingkai (framing) realitas sosial yang dapat mempengaruhi cara pandang masyarakat terhadap suatu fenomena. Pada beberapa tahun terakhir, industri perfilman Indonesia sedang mengalami peningkatan pada…
Education plays a strategic role in driving the progress of a nation, where schools are expected to provide an educational process that not only emphasizes knowledge acquisition but also character development so that students have critical, creative, communicative, and collaborative thinking skills. This study aims to describe students' mathematical critical thinking skills in solving PISA 2022…
Mathematical literacy is a key competency required for students to address the challenges of the 21st century; however, international assessments such as PISA indicate that Indonesian students’ mathematical literacy remains relatively low, particularly in reasoning, problem solving, and applying mathematics in real-life contexts. This condition reflects a gap between national assessment deman…
This study aims to describe students' numeracy literacy skills using the Creative Problem Solving (CPS) model in the Two Variable Linear Equation System (SPLDV) material. Numeracy literacy skills are the ability to use numbers and basic mathematical symbols to solve real problems, present information in various formats such as graphs, tables, or charts, and interpret the results of analysis to …
This study aims to develop website-based learning media for Mathematical modeling learning with LPG context to improve junior high school students' Mathematical literacy skills. The method used is design research type development studies through Tessmer's formative evaluation flow, including self-evaluation, expert review, one-to-one, small group and field test. The product was tested from the …
This study aims to describe the Computational Thinking (CT) abilities of eighth-grade students on the topic of Systems of Linear Equations in Two Variables (SLETV) through problem-solving learning assisted by GeoGebra. This research employed a qualitative approach with a descriptive research design. The research subjects were eighth-grade students of MTS Subulul Falah Tulung Harapan. Data were …
This study aimed to develop a mathematics learning video based on Indonesian Realistic Mathematics Education (IRME) for sixth-grade elementary school students by integrating the local cultural context of Jumputan Gambo fabric. This development research employed the Rowntree model, which consists of planning, development, and evaluation stages, and was complemented by Tessmer’s formative evalu…
A local trajectory is a series of mathematical activities designed to facilitate the development of students' understanding of learning objectves. This study aims to develop a Local Instruction Theory (LIT) for teaching the concepts of central tendency (mean, median, mode), and to explore how students develop their understanding informally using the context of pH water to support students' crit…
This design research study aims to develop a Local Instructional of Theory (LIT) for teaching the concept of derivatives in high school mathematics by embedding instruction within the globally relevant context of climate change. Guided by five research questions, the study systematically investigates: (1) insights from existing literature on derivative instruction and contextual gaps; (2) how g…
Geometry is a branch of mathematics that plays an important role in developing students' logical, analytical, and spatial thinking skills. However, geometry learning in schools is often still abstract, making it difficult for students to understand the concepts and relate them to real-life situations. This study aims to design a learning pathway for geometric transformations based on the STEAM …
Computational thinking is the ability to think systematically in understanding and solving problems. This study aims to describe students' computational thinking abilities through the application of problem-solving-based learning in Two-Variable Linear Inequality Systems (SPtLDV) material assisted by GeoGebra based on four indicators of computational thinking, namely decomposition, pattern reco…
This study aims to describe the computational thinking abilities of seventh-grade students in solving numeracy problems on rational numbers. Computational thinking abilities are analyzed based on four indicators, namely decomposition, pattern recognition, abstraction, and algorithms. This study uses a descriptive method. The research subjects were seventh-grade students at SMP Negeri 5 Indralay…
Pemodelan matematika merupakan proses menerjemahkan masalah dunia nyata ke dalam pernyataan matematis untuk merepresentasikan fenomena dunia nyata guna menyelesaikan sebuah permasalahan yang ada. Kemampuan pemodelan matematika adalah kemampuan untuk menggunakan konsep dan teknik matematika untuk merepresentasikan, menganalisis, dan menyelesaikan masalah dunia nyata Penelitian ini mengangkat kon…
Penelitian ini bertujuan untuk menggambarkan kemampuan numerasi siswa dalam pembelajaran Sistem Persamaan Linier Dua Variabel (SPLDV) menggunakan pendekatan Pendidikan Matematika Realistik Indonesia (PMRI) dengan konteks Taman Kota Baturaja pada siswa kelas VIII SMP Negeri 1 OKU. Subjek penelitian berjumlah 32orang dari kelas VIII SMP Negeri 01 OKU tahun ajaran 2024/2025. Metode yang digunakan …
This study aims to develop a valid, practical, and effective learning video on matrix multiplication material for high school students. This study uses the Akker development model with formative evaluation referring to Tessmer. The Akker development stage consists of three stages, namely: (1) Analysis stage; (2) Design stage; (3) Evaluation stage. In the third stage, it is adjusted to the Tessm…
Learning plane geometry is often perceived as abstract because it is not sufficiently connected to real-life contexts and local culture. One approach that can be used to relate mathematics to cultural contexts is ethnomathematics, including through the use of batik motifs. In addition, the use of digital media such as Canva has the potential to support the visualization of mathematical concepts…
Mathematical literacy is a person's ability to formulate, use, and interpret mathematics in various contexts, including mathematical reasoning and using mathematical concepts, procedures, facts, and tools to illustrate, explain, and predict events. This study aims to describe the literacy skills of junior high school students using the Kodular application in the context of “aesan gede” clot…
Motivated by the low numeracy skills of students, this study aims to describe the numeracy skills of eighth-grade students in the Pythagorean Theorem material through the Realistic Mathematics Education (RME) approach with an origami context. A total of 30 eighth-grade students from SMP Negeri 3 Prabumulih, South Sumatra, were the subjects of this study. The research method used was descriptive…