Recently media that is used on mathematic study is just board and printed book. Usually teacher uses, modelling tool to visualize study objects like geometry, but students must be in alternatively to fulfill that demand requires application which can deliver 3-dimension geometry to emphasize students understanding of volume and surface area. This research will implement based tracking marker method on textbook and develop geometry study application based on augmented reality, it is called "Magic Boosed". The existence of AR combination technology, then geometry which will be taught by teacher to elementary school student will be more interesting and make students are easier to learn shape and geometry formulas, this is evident from data analysis test on student learning improvement using kolmogorov-smirnov testing.

During the COVID-19 pandemic, the government was requiring to be able to implement a learning system by the applicable health protocol. Based on this, the government must change the learning system from face-to-face meetings to online learning. Technology that is rapidly growing can be advantaged to fully support the online learning process so that the Ministry of Religion Affairs makes an innovation, namely e-learning madrasah media for simplifying the online learning process for all madrasah in Indonesia. This study aims to make readers know the level of effectiveness of online learning using madrasah e-learning to optimize the student understanding of mathematics. This study used a survey method that was conducted online with a quantitative descriptive research type. The results are that online mathematics learning activities using e-learning madrasah are quite efficient, considering that there are still constraints on the ownership of students' equipment and inadequate internet networks, and students are not maximal in absorbing the material provided. However, the advantages we found were the full support provided by the school, teachers, and parents for ongoing learning. Also, learning mathematics using madrasah e-learning is efficient and flexible so that students can carry out learning well.

This research aimed to describe the profile of the visualizer and verbalizer students to think analytically in solving mathematical problems. The subjects were 3 visualizer students and 3 verbalizer students obtained by VVQ questionnaire. The research data are the form of analytical thinking tests and interviews were then analyzed based on the indicators of analytical thinking in solving mathematical problems based on the stage Polya. The results obtained by the visualizer students mention known and asked by picture, modelize problem by picture, use any different strategies, and conclude by picture. In other hand, verbalizer students mention known and asked by words, modelize problem by word (symbol or alphabet), use same strategy, and conclude by words. In the final result, there is no difference ability between the visualizer and verbalizer students' cognitive style to think analytically in solving the problem because both are quite good.

Penelitian ini bertujuan untuk menganalisis tingkat efektivitas model pembelajaran PjBL (Project Based Learning) dalam meningkatkan kemampuan literasi numerasi dan literasi digital pada peserta didik madrasah ibtidaiyah. Pendekatan yang digunakan adalah kuantitatif dengan metode eksperimen dan desain penelitian yang digunakan adalah control group pretest-posttest design. Dengan menggunakan teknik random sampling, diperoleh sampel untuk kelas eksperimen dan kontrol. Pada kelas eksperimen diberikan perlakuan dengan model pembelajaran PjBL (Project Based Learning) dan pembelajaran konvensional dengan metode ceramah pada kelas kontrol. Data kemampuan literasi numerasi dan literasi digital tersebut diperoleh menggunakan tes tulis berupa angket yang didukung oleh pemberian soal pilihan ganda dan benar-salah pada peserta didik. Hasil dari penelitian yaitu penggunaaan model pembelajaran PjBL (project-based learning) efektif digunakan dalam meningkatkan kemampuan literasi numerasi dan literasi digital pada peserta didik kelas V MI Al-Fithrah Surabaya. Dengan perolehan nilai signifikansi sebesar 0,107 < 0,05 menunjukkan hasil bahwa terdapat pengaruh yang signifikan dari variabel independent (X) terhadap semua variabel dependen (Y1 dan Y2). Hal ini terlihat pada pengaruh yang terjadi di kelas eksperimen yang diberikan perlakuan model pembelajaran PjBL (project-based learning) lebih unggul dibandingkan dengan kelas kontrol yang menggunakan model pembelajaran konvensional.

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It is widely assumed that anxieties tend to lead to low mathematics performance. The purpose of this study was to describe the levels of students’ mathematics anxieties and the impacts on mathematics learning achievement in online mathematics learning. The study was a quantitative survey. The research instrument was questionnaire consisting of four elements of physiological, cognitive, affective, and behavioral aspects. The subjects were 109 mathematics education students who were willing to be the research participants. The data were collected using mathematics anxiety questionnaires and documentation of students’ mathematics learning achievement. The data analyses used descriptive statistics and confirmatory factor analysis with structural equation modeling of the Lisrel program. The findings show that the levels of all aspects of students’ mathematics anxieties in online mathematics learning were at the moderate level. The anxiety aspects that affect students’ mathematics learning achievement in online mathematics learning were of the affective and cognitive categories, while the physiological and behavioral aspects do not affect mathematics learning achievement. A research implication is for the teacher to pay attention to the cognitive and affective aspects of the students’ mathematics anxieties.

The inability of students to absorb the knowledge conveyed by the teacher is'nt caused by the inability of understanding and by the teacher which isn't able to teach too, but because of the mismatch of learning styles between students and teachers, so that students feel uncomfortable in learning to a particular teacher. It also happens in senior high school (SHS/SMAN) 1 Anggana, so it is necessary to do this research, to analyze cluster (group) of student learning style by applying data mining method that is k-Means and Fuzzy C-Means. The purpose was to know the effectiveness of this learning style cluster on the development of absorptive power and improving student achievement. The method used to cluster the learning style with data mining process starts from the data cleaning stage, data selection, data transformation, data mining, pattern evolution, and knowledge development.