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Andhika Ayu Wulandari
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Pendidikan Matematika Universitas Veteran Bangun Nusantara Sukoharjo Jl. Letjend S. Humardani No. 1 Sukoharjo, Jawa Tengah, Indonesia
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ABSIS : Mathematics Education Journal
Published by Universitas Veteran Bangun Nusantara
ISSN : 26860104     EISSN : 26860090     DOI : http://dx.doi.org/10.32585/absis.v1i2.433
Core Subject : Education,
Mathematics
ABSIS adalah jurnal pendidikan matematika berskala nasional yang diterbitkan oleh Program Studi Pendidikan Matematika Universitas Veteran Bangun Nusantara Sukoharjo. ABSIS terbit 2 kali dalam setahun yaitu pada bulan Mei dan November. ABSIS mewadahi hasil riset maupun kajian ilmiah di bidang pendidikan matematika dari para peneliti, akademisi, praktisi, pelajar dan pemerhati pendidikan matematika yang belum pernah dipublikasikan ke jurnal atau konferensi lainnya. Focus dan scope dari ABSIS (Mathematics Education Journal meliputi Realistic) Mathematics, Ethnomathematics, Lesson Study, Design/Development Research in Mathematics Education.
Arjuna Subject : Seni dan Humaniora - Seni dan Humaniora (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 4, No 2 (2022): November 2022" : 6 Documents clear
Pengaruh Penggunaan Lembar Kegiatan Peserta Didik Berbasis Model APOS Berbantuan Geogebra Terhadap Keterampilan Berpikir Kritis Matematika Istikomar Istikomar; Hanifah Hanifah; Hari Sumardi
Absis: Mathematics Education Journal Vol 4, No 2 (2022): November 2022
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v4i2.2500

Abstract

The purpose of this research is to determine the effect of using student activity sheets based on the Geogebra-assisted APOS model on mathematical critical thinking skills in quadrilateral material in class VII SMP Negeri 1 Bengkulu Selatan. The research design used is a quasi-experimental design with a population of all seventh-grade students at SMP Negeri 1 Bengkulu Selatan. The sample technique research used is a random sampling technique, to obtain a sample group in the activity of 2 classes, namely the experimental class and the control class. This study uses an instrument in the form of a pretest and a posttest in the form of an essay that has been tested. After doing the research, the average obtained from the post-test results for the experimental class was 82.17 and the average post-test results for the control class was 70.74. These results were obtained from the results of hypothesis testing with the ANCOVA test using SPSS21 software with = 0.05. From this test, sig(0.000) < 0.05 was obtained so that there was a significant effect of using the APOS model-based student activity sheet which was assisted by Geogebra on the ability to think critically in mathematics.
Tingkatkan Hasil Belajar Matematika Pokok Bahasan Operasi Hitung Penjumlahan dan Pengurangan Bilangan Bulat Melalui Alat Peraga Kartu Berwarna “Kabe” Abdul Razak; Rumainur Rumainur
Absis: Mathematics Education Journal Vol 4, No 2 (2022): November 2022
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v4i2.2531

Abstract

The purpose of this study was to improve the mathematics learning outcomes of the subject of arithmetic operations, addition and subtraction of integers through the “Kabe”colored card props. This type of research is classroom action research with a qualitative approach. The procedure of this research includes planning, implementation, observation, and reflection. The data collection techniques used are tests, observations, documentation, and field notes. The data were analyzed quantitatively and qualitatively with the target indicator of success reaching 65% classically with the minimum score obtained by each student being 70. The results of the pre-cycle study showed that the average percentage of completeness was 0% then started to increase to 21.05% (4 students) in the first cycle and 68.42% (13 students) in the second cycle. These results indicate that there has been an increase in students' mathematics learning outcomes on the subject of integers through the use of KaBe teaching aids. So it can be concluded that the KaBe teaching aids can improve students' mathematics learning outcomes.
Morndumath Application Against HOTS in Building Materials for Middle School Students Utin Desy Susiaty; Nurul Fitria; Marhadi Saputro
Absis: Mathematics Education Journal Vol 4, No 2 (2022): November 2022
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v4i2.2476

Abstract

This study aims to produce Morndumath application learning media on Higher Order Thinking Skills (HOTS) in building materials for class VIII SMP Negeri 1 Sungai Kakap students who reach the level of validity, practicality, and effectiveness. This study uses the ADDIE development design model, which consists of five main stages, namely analysis, design, development, implementation, and evaluation. The subjects in this study were eighth grade students of SMP Negeri 1 Sungai Kakap. The instruments used in this study were validation sheets, questionnaires, and pretest posttest questions. Based on the results of the first study, the validation of the Morndumath application against HOTS was with the average value of the three experts of 85.25% in the very valid criteria with the very good category. The second is the value of practicality, seen from the value of the questionnaire filled out by the teacher and all students who were accumulated so that a percentage of 87.61% was obtained with very practical criteria. Furthermore, the effectiveness, seen from the results of statistical tests using the pretest and posttest scores of students with t-test results, namely – t-count < - t-table significant = 5% (???? = 0.05). This means that there is an increase in the value of student learning outcomes in high-level abilities, so the Morndumath application is categorized as effective.
Desain Video Pembelajaran Matematika dalam Menghadapi Pandemi Lisa Ririn Handayani; Anggun Badu Kusuma
Absis: Mathematics Education Journal Vol 4, No 2 (2022): November 2022
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v4i2.2508

Abstract

During a pandemic like now, learning is done online. One of the media that is often used in online learning is learning videos. The purpose of writing this article is to examine the design of mathematics learning videos with Problem-solving, Problem Based Learning, and Brain-Based Learning models to deal with the pandemic. This article is the result of a literature review with the source of the study in the form of a journal article that discusses the design of mathematics learning videos. The results of this study include (1) problem-solving-based learning videos developed and designed to suit the characteristics of students to make it easier for students to understand the material presented in the video; (2) Problem Based Learning-based learning videos in their presentation using moving images and choosing the right colors can increase students' enthusiasm for learning; (3) Brain-Based Learning-based learning videos are designed by providing related facts/daily events related to learning materials.
Pembelajaran Teorema Limit Pusat Melalui Simulasi Joko Sungkono; Andhika Ayu Wulandari
Absis: Mathematics Education Journal Vol 4, No 2 (2022): November 2022
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v4i2.2520

Abstract

The mathematical learning of the central limit theorem has been widely discussed in scientific writings by researchers through various versions of proofs. The discussion of the central limit theorem in case application has also been carried out with many different cases. However, students need to be given an overview of the truth of the central limit theorem through a general application. The truth and accuracy of the central limit theorem can be studied through a simulation study. Through simulation with R software, students can perform parameter variations such as variations in the population distribution, variations in the sample size used, as well as the number of repetitions or replications in studying the central limit theorem. The accuracy of the central limit theorem through simulation is determined by looking at the trend of the sampling distribution of the mean sample in the form of a histogram. The simulation results state that, in general, the larger the sample size used, the closer the sampling distribution to the mean sample is to the normal distribution. For samples taken from a population that has a distribution that is closer to symmetrical, then for a sample size that is not too large, the distribution of the mean sample is closer to a normal distribution. However, for samples originating from an asymmetric distribution, a larger sample size is required to obtain a sample mean that is close to the normal distribution
Tingkat Kecemasan Mahasiswa pada Mata Kuliah Microteaching Berbasis Lesson Study Krisdianto Hadiprasetyo; Annisa Prima Exacta; Dewi Susilowati
Absis: Mathematics Education Journal Vol 4, No 2 (2022): November 2022
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/absis.v4i2.2510

Abstract

The objective of this study is to determine the students’ anxiety level during a microteaching lesson based on the Lesson study and determine the faktors. This study is conducted in Mathematics education Universitas Veteran Bangun Nusantara Sukoharjo. The subjects are the students of 6 semesters. This is a qualitative method with the data on anxiety from the questionary of HARS. interview results. Subjects are drawn using purposive sampling. Data validation is done by triangulation of the data. Data analysis was performed at the stages of data reduction, data presentation, and conclusion. From the analysis 2 students with no anxiety, 3 students with light anxiety, and 3 students with moderate anxiety. Based on the results of data analysis on the degree of student anxiety during a microteaching lesson based on the Lesson study, i.e., the degree of anxiety is not anxiety, light, and moderate anxiety. Data from eight subjects that influence a student's level of anxiety: external faktors are influenced by friends and observers. Internal faktors that influence are lack of preparation for practice, lack of material preparation, lack of adaptability, and gender.

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