IDENTIFIKASI PERSEPSI LITERASI MATEMATIKA GURU SMP DI YOGYAKARTA: TANTANGAN DAN PELUANG

Hasil PISA menunjukkan bahwa skor literasi matematika siswa Indonesia secara konsisten berada di bawah rata-rata negara peserta OECD, sehingga perlu perhatian lebih dari guru dan siswa. Tujuan dari penelitian ini untuk mendeskripsikan persepsi guru terhadap literasi matematika. Penelitian ini menggunakan metode survei dengan melibatkan 181 guru matematika SMP di Yogyakarta, dengan teknik voluntary sampling. Instrumen angket digunakan untuk mengetahui pemahaman guru dan pentingnya literasi matematika, serta kualitas literasi matematika siswa. Kesimpulan penelitian ini yaitu 1) sebanyak 71% guru telah mengenal konsep literasi matematika, namun 39% guru masih merasa ragu-ragu atau belum mengenal; 95% guru setuju bahwa literasi matematika penting dikembangkan di sekolah; hanya 38% guru yang mengetahui kualitas literasi matematika siswa. 2) Tantangan dalam pengembangan literasi matematika dari faktor guru adalah pemahaman dan pentingnya pengembangan literasi matematika, serta banyak guru belum mengetahui kualitas literasi matematika siswa, kesulitan dalam mengklasifikasikan konten literasi matematika. Peluang untuk mengatasinya melalui upaya pemberian contoh pembelajaran literasi dari pemerintah, penggunaan soal diagnostik seperti AKM, integrasi literasi matematika dalam berbagai mata pelajaran, penerapan pembelajaran berbasis masalah dan proyek, lingkungan belajar yang mendukung, pemodelan pemecahan masalah, pembelajaran kontekstual, inkuiri, soal berbasis budaya, dan pemanfaatan media pembelajaran interaktif

Analisis Pengaruh Metode Mathemagic In Joyful Learning Terhadap Hasil Belajar Kognitif Siswa Berbasis Soal HOTS: Analisis Pengaruh Metode Mathemagic In Joyful Learning Terhadap Hasil Belajar Kognitif Siswa Berbasis Soal HOTS

This study aims to analyze the effect of applying the mathemagic in the joyful learning method on the cognitive learning outcomes of junior high school students based on higher-order thinking skills (HOTS). The research design used a pre-experimental One-Group Pretest-Posttest with a sample of 30 students of class VII G of SMPN 1 Situbondo. The Sample was selected by purposive sampling from a population of 155 students. The research instrument was a HOTS-based test with 10 essay questions that had been validated using Pearson's product-moment correlation and tested for reliability with Cronbach's alpha. Data were analyzed using descriptive statistics and inferential statistics in the form of Pearson product-moment correlation, simple linear regression, and t-test. The results showed a very strong relationship between the mathemagic method and students' cognitive learning outcomes (R = 0.974). The relationship between the two variables is a causal relationship with a contribution of 94.8%. The t-test proves that the contribution of the influence is significant, with a t-count value = 22.707 > t-table = 1.701, and a sig.t value of 0.000 < 0.05. Thus, it is proven that the application of mathemagic in the joyful learning method has a significant effect on the cognitive learning outcomes of junior high school students based on HOTS questions Keywords: Mathemagic Method, Joyful Learning, Cognitive Learning Outcomes, HOTS&nbsp

PERAMALAN HARGA SAHAM PT. BANK RAKYAT INDONESIA (PERSERO) TBK MENGGUNAKAN METODE AUTO REGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA)

The stock price movements are important in the stock market because they provide information about company performance, market sentiment and other economic factors. This makes stock price movements important to monitored by investors, analysts and other market participants to make the right investment decisions when to buy or sell these stocks. The aims of the  research is to predict the stock price of PT. Bank Rakyat Indonesia (Persero) Tbk using the Auto Regressive Integrated Moving Average (ARIMA) method. The ARIMA method is used to predict future values based on historical data. The data used is the stock price of PT. Bank Rakyat Indonesia (Persero) Tbk from 3 July 2023 to 28 March 2024 that obtained from the Yahoo Finance website. There are four steps that will be used. First, explore the data to get a general description of the used data. Second, identify data stationarity. Third, identify the ARIMA model that will be used. Fourth, predict the stock price of PT. Bank Rakyat Indonesia (Persero) for April 2024 period. The result is the most optimal model for predicting stoke prices of PT. Bank Rakyat Indonesia (Persero) in the April 2024 period is ARIMA (1,1,1)

ANALISIS KOMUNIKASI MATEMATIS SISWA KATEGORI RENDAH DITINJAU DARI TIPE KEPRIBADIAN ISTJ

The aim of this research is to describe mathematical communication based on the ISTJ personality type. This type of research uses descriptive qualitative. The subjects in this research were two students who had high mathematics abilities, two students with moderate mathematics abilities, and two students with low mathematics abilities. On the ISTJ personality type as a research subject. ISTJ personality type students are in the low category of mathematical ability, where both have equivalent mathematical communication abilities. Both of them only fulfill 3 indicators of mathematical communication, namely being able to express mathematical ideas, understand mathematical problems, and use mathematical symbols. Furthermore, students with the ISTJ personality type are in the moderate category of mathematical ability, where subject 1 meets 3 indicators of mathematical communication, while subject 2 meets 4 indicators of mathematical communication in each question. Furthermore, students with the ISTJ personality type are in the high category of mathematical ability, where both have equivalent mathematical communication abilities. It is good to fulfill all mathematical communication indicator

Kemampuan Pemecahan Masalah Mahasiswa Dalam Menyelesaikan Masalah Aljabar Linier Ditinjau Dari Gaya Kognitif

Tujuan penelitian ini adalah untuk mendeskripsikan kemampuan pemecahan masalah mahasiswa dalam menyelesaikan masalah aljabar linier ditinjau dari gaya kognitif. Gaya kognitif yang dimaksud pada penelitian ini adalah gaya kognitif field dependent (FD) dan field independent (FI). Langkah yang digunakan dalam menyelesaikan masalah ini yaitu dengan menggunakan Langkah Polya dengan melalui empat tahap, yaitu memahami masalah, merencanakan penyelesaian masalah, melaksanakan perencanaan penyelesaian masalah, dan memeriksa kembali. Jenis penelitian ini adalah penelitian deskriptif kualitatif. Penentuan subjek dalam penelitian ini yaitu berdasarkan skor hasil tes Group Embedded Figures Test (GEFT) untuk mengetahui gaya kognitif mahasiswa dan hasil tes pemecahan masalah untuk melihat kemampuan pemecahan masalah mahasiswa. Subjek penelitian ini adalah satu subjek memiliki gaya kognitif field dependent (SFD) dan satu subjek memiliki gaya kognitif field independent (SFI). Hasil penelitian ini adalah SFI dapat memenuhi keempat langkah pemecahan masalah yaitu dengan memahami masalah, merencanakan penyelesaian masalah, melaksanakan penyelesaian masalah, dan memeriksa kembali hasil jawaban yang diperoleh dari masalah yang diberikan dengan baik. Sedangkan untuk SFD masih kurang lengkap dalam memahami masalah dan merencanakan penyelesaian masalah sehingga mengakibatkan kurang lengkap pula penyelesaian masalah yang diberikan. SFD juga tidak memeriksa kembali hasil akhir yang diperoleh

UTILIZATION OF LINGO APPLICATION IN OPTIMIZING SNACKS USING LINEAR PROGRAM: PEMANFAATAN APLIKASI LINGO DALAM OPTIMALISASI MAKANAN RINGAN MENGGUNAKAN PROGRAM LINEAR

Micro-enterprises in the snack food sector often face various challenges, including limited raw materials, high production costs, and fluctuating market demand. This study aims to optimize the production of snack foods such as sausage corndogs, cheese corndogs, and chocolate banana rolls (piscok) through the application of linear programming using the LINGO software. The research employs a quantitative descriptive approach with field observations conducted on the researcher’s own business located in Bulang Village, Probolinggo Regency. A mathematical model was developed by taking into account real-world constraints such as production capacity and raw material availability, with the goal of maximizing profit. The analysis using LINGO indicates that the optimal production combination consists of 20 sausage corndogs, 5 cheese corndogs, and 20 piscok per day, resulting in a maximum daily profit of IDR 75,000. These findings suggest that the use of LINGO software can significantly assist micro-entrepreneurs in managing resources more efficiently and enhancing the profitability of snack food businesses

Hubungan Antara Konsep Diri Dengan Disiplin Belajar Siswa Pada Mata Pelajaran Matematika Di Kelas VIII SMP N 3Tigo Nagari Kabupaten Pasaman.

The background of the problem is the lack of self-concept and discipline of student learning. The purpose of this study is to find out if there is a significant relationship between self-concept and student learning discipline in math subjects in class VIII of SMPN 3 Tigo Nagari, Pasaman Regency Year lesson 2022/20233. This type of research is the study of correlation with quantitative methods. Research results show that students' self-concept and discipline in mathematics subjects are correlated by 0.612 with strong categories, processed using a real-time t-test α=0.05, thus obtaining a t_count>t_table value of 4.092>1.701 and from the calculation of SPSS software sig = 0.000<0.05 so H_0 is rejected and H_a is accepted. So, it can be concluded that there is a significant relationship between self-concept and student learning discipline in math subjects in class VIII of SMPN 3 Tigo Nagari, Pasaman Regency in the 2022/2023 Academic Year. Keyword : Relationship, Self-concept, Student Learning Disciplin

PENGEMBANGAN VIDEO INTERAKTIF MATERI TEOREMA PYTHAGORAS UNTUK MEMFASILITASI NUMERASI SISWA SMPN 1 DEPOK YOGYAKARTA

The purpose of this study was to develop interactive videos to facilitate numeracy and produce quality interactive video-based learning media products in terms of validity, practicality, and effectiveness. This research is a research and development study using the ADDIE model (Analyze, Design, Development, Implementation, Evaluation). The subjects of this research were 31 students of class VIII F Junior High School 1 Depok Yogyakarta. Data collection techniques using validity questionnaires, numeracy tests, and teacher and student practicality questionnaires. Data from validation questionnaires, tests, and practicality questionnaires were analyzed quantitatively by calculating the average value. The results of this study are 1) The development of interactive videos using the ADDIE model. In the analysis stage, based on teacher interviews, students have difficulty understanding numeracy questions, the Pythagorean theorem material is a difficult topic, and teachers never used interactive videos in learning. At the design stage, researchers designed three videos using the Edpuzzle application. At the development stage, the learning product results were validated by three experts and revised according to the expert's suggestions. At the implementation stage, researchers conducted a trial of four meetings using the guided discovery model. In the evaluation stage, the product was valid, practical, and effective. 2) The product gets very valid results, in terms of media getting 91.25% and material getting 93%. Products get effective results from the numeracy test results as many as 29 students (93.5%) completed the minimum criteria (75). The practical product is seen from the results of the student response questionnaire to the media getting 85.8% and the teacher response questionnaire to the product getting 80%

INTEGRASI NILAI BUDAYA LOKAL DALAM PEMBELAJARAN MATEMATIKA: STUDI KASUS PENERAPAN ETNOMATEMATIKA

Penelitian ini bertujuan untuk menganalisis penerapan etnomatematika dalam pembelajaran matematika di sekolah dasar dengan mengintegrasikan nilai-nilai budaya lokal, khususnya budaya Aceh, guna meningkatkan pemahaman konsep matematika dan melestarikan warisan budaya. Pendekatan ini memanfaatkan elemen budaya lokal seperti motif kain songket, desain rumah adat, dan seni tradisional sebagai media pembelajaran matematika. Metode penelitian yang digunakan adalah deskriptif kualitatif dengan teknik pengumpulan data melalui observasi, wawancara, dan studi dokumentasi. Hasil penelitian menunjukkan bahwa etnomatematika mampu meningkatkan motivasi dan pemahaman siswa terhadap konsep matematika abstrak melalui konteks budaya yang familiar. Siswa merasa lebih terhubung dengan pembelajaran, sehingga mampu memahami konsep seperti simetri, pola, dan geometri secara lebih konkret. Selain itu, pendekatan ini berkontribusi terhadap pelestarian budaya lokal dengan mengenalkan siswa pada elemen-elemen budaya yang mulai jarang ditemui dalam kehidupan sehari-hari. Namun, tantangan yang dihadapi meliputi keterbatasan sumber belajar berbasis budaya lokal, minimnya pelatihan guru dalam memahami dan mengintegrasikan budaya ke dalam pembelajaran, serta kendala waktu dalam penerapan di kelas. Solusi yang disarankan meliputi pengembangan bahan ajar berbasis etnomatematika, pelatihan guru secara berkala, dan dukungan kebijakan dari pemerintah untuk memperkuat integrasi budaya dalam pendidikan. Penelitian ini menunjukkan bahwa etnomatematika tidak hanya berperan dalam meningkatkan kualitas pembelajaran matematika tetapi juga dalam membentuk karakter siswa yang mencintai dan bangga terhadap budaya lokal, sekaligus mendukung prinsip Kurikulum Merdeka.   Kata Kunci: budaya lokal, pembelajaran matematika, Etnomatematika &nbsp

The Effect of Lecture Timing on Learning Outcomes in Multivariable Calculus Using One-Way ANOVA

This study aims to investigate the effect of lecture timing on learning outcomes in Multivariable Calculus using One-Way ANOVA. The type of research is quantitative. The subjects of this study are students of the Mathematics Education program at Jember University from class of 2023, for the Academic Year 2024-2025, enrolled in the regular Multivariable Calculus course. The samples were purposively selected: Class A (morning class) with 35 students, Class B (afternoon class) with 37 students, and Class E (evening class) with 30 students. The sample data were free of outliers, normally distributed, and homogeneous. The results show that  and p-value < 0.05, indicating that at a 95% confidence level, there is at least one pair of treatments with significantly different average learning outcomes. Based on the Post Hoc test, significant differences in average learning outcomes were found between Class A and Class B, and between Class A and Class E, while betweet Class B and Class E did not show significant differences in average learning outcomes.   Keywords: learning outcomes, lecture timing, One-Way ANOV