Spatial reasoning is the processing of non-verbal information in the form of images or symbols to solve problems. In this regard, this research aims to describe students' spatial reasoning based on Gestalt law trend to solve geometry problems. The approach of this research is qualitative research. Qualitative research is used to describe students' reasoning based on Gestalt law tendency to solve geometry problems. The subjects in this research were students who had studied geometry lessons. This research describes one categories of students' spatial reasoning based on Gestalt law, namely students' reasoning with the closeness law tendency.
This study aims to produce student worksheets based on geogebra-assisted guided discovery on the material of flat-sided shapes that are valid, practical, and effective. This research is a research on the development of Dick and Carry with 5 stages, namely the stages of Analysis, Design, Development, Implementation, and Evaluation.Valid products are seen from the results of expert validation, practical products are seen from the results of the questionnaire, while effective products are seen from the results of trials. The results of the validation of the experts obtained that the material aspect was declared very valid with a result of 90.59%, while the media aspect was declared very valid with a result of 98.00%. The results of the teacher response questionnaire obtained results of 90.59%, while the results of the student response questionnaires were 93.37% with very practical criteria. The trial results obtained results of 80% with effective criteria where there were 8 students who passed and 2 students who did not complete the minimum passing standard determined by the school was greater than or equal to 70 for mathematics subjects, It can be concluded that geogebra-assisted discovery-based student worksheets are used with very valid criteria, very practical and effective.
Experiences at the educational personnel education institution, Department of Mathematics Education Institute of Teacher Training and Education Pontianak (IKIP) shows that students often had difficulty in proving propositions (theorems in mathe-matics). The alternative offered through this study was to develop students' abilities in proof through mathematical communication. The study method used in this study was qualitive research, case study. The subjects used in this study consisted of two un-dergraduate students who had been taught real analysis introductions and. The data collection tool used was tests and interview. Data analysis techniques used was de-scriptions: data reduction, data display and conclusion. Based on the results of re-search, study of theory and discussion, it could be concluded in this study that the student obstacles in answering mathematical proof questions are the students have difficulty in writing mathematical symbolic and inability in mathematical proof. But after being given didactic anticipation by mathematical communication, the ability of students to answer mathematical proof questions has increased. Thus, mathematical communication can be used as an alternative to overcome obstacles or difficulties for students in solving mathematical proof problems.
Tujuan penelitian ini adalah menganalisa Internalisasi Nilai-Nilai Dalam Sistem Beuma Masyarakat Di Desa Nanga Mahap Dalam Pembelajaran IPS Berbasis Etnopedagogi. Penelitian ini merupakan penelitian kualitatif dengan metode studi kasus. Data dikumpulkan dengan observasi langsung, komunikasi langsung, dan dokumentasi. Analisis yang digunakan adalah deskriptif kualitatif. Hasil penelitian menunjukkan: Penelitian ini berusaha memahami bagaimana internalisasi nilai-nilai sistem beuma masyarakat di desa Nanga Mahap dalam pembelajaran IPS berbasis etnopedagogi dalam kearifan lokal. Dalam kehidupan masyarakat desa Nanga Mahap ini tradisi turun temurun kearifan lokalnya yang perlu di jaga untuk diwariskan kepada generasi penerus yaitu kearifan lokal Beuma atau berladang. Menanam padi dengan sistem pertanian Beuma merupakan cara yang masih di anut oleh sebagian besar masyarakat di Nanga Mahap ini. Masyarakat di Nanga Mahap ini dalam menjalani rutinitas kehidupannya tidak terlepas dari praktek religius tradisonal yang di wariskan oleh para leluhurnya. Dalam pembelajaran IPS melalui Penerapan nilai-nilai kearifan lokal merupakan suatu upaya untuk menanamkan rasa kepedulian terhadap sesama dan lingkungan sekita. pentingnya nilai-nilai adat dan tradisi yang berlaku untuk lingkungan sekitar. Nilai-nilai budaya bisa di jadikan sumber pembelajaran IPS untuk generasi selanjutnya.
This study aims to strengthen students on the material of the Covid-19 Emergency Response Village for Education Literacy in the community of Nanga Mahap Village. The sub-objectives of this study are (1) Material on the Covid-19 virus spread system for the people of Nanga Mahap Village, (2) Implementation of teachers in explaining the material, (3) Strengthening students to the material of the Covid-19 Emergency Response Village for Education Literacy. This study used a descriptive method. Samples were taken by purposive sampling technique. Data is collected by direct observation, direct communication, and documentation. The analysis used is descriptive qualitative. The results showed: (1) The people of Nanga Mahap Village referred to the rice abstinence activity as beuma/beume. This Abstinence tradition is traditional with a system of slashing and burning and then planting rice. (2) Implementation of teachers in delivering material using lectures and assignments. The assignment was in the form of students conducting simple research on the system of spreading the Covid-19 virus around their environment and inviting students to construct with their respective awareness. (3) strengthening the material of the Covid19 Emergency Response Village for Education Literacy in the form of students ' understanding of the material is quite good, which shows the active involvement of students in learning. This material makes students think contextually between the system of spreading the Covid-19 virus.
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