Search

Mathematics is very closely related to the habits that exist in society. The habits that exist in society can be called a culture. The concept or aspect of mathematics related to culture is called ethnomathematics. Ethnomathematics can also be used as teaching materials that can attract students' interest in mathematics, because students will find it easier to learn science that is directly related to real life. Thus, ethnomathematics is very important in mathematics learning activities so students can learn between mathematics and culture, and know the cultural activities that exist in the surrounding community. In this study, the ethnomathematics of the tumpeng and the Tumpeng Sewu Banyuwangi ritual, which is one of the cultures in Indonesia, will be described as well as utilizing the results of their research into ethnomathematic Students’ Worksheets (LKS). Ethnomathematics obtained are activities of counting, counting, and measuring, as well as some mathematical concepts such as algebra, arithmetic, and geometry.

Ethnomathematics is the study of the relationship between mathematics and culture that found in society. This research was conducted at the GESIBU Blambangan Banyuwangi gate. The purpose of this study was to describe ethnomatematics form at the Blambangan GESIBU Gate and arrange it into the research product in the form of ethnomatematic-based student worksheets (LKS). This research is a qualitative research with descriptive data analysis. There are three data collecting technique being used, those are observation, interview, and documentation The subject of this research were four people, namely cultural observers, archaeologists, builders, and carvers. The results showed that there were an ethnomatematics in the arrangement of shapes and sizes for each component of the gate from its roof, body, foot and the carving. The shape and size from each gate component contain ethnomatatics, such as two-dimensional figure, solid figure/geometry, geometric transformation (reflection, dilation, and rotation), and arithmetic sequence patterns

Higher Order Thinking Skills (HOTS) is an ability that can create students into critical and creative individuals. The ways that can be used to reveal students' high-level thinking skills by using contextual problems in learning. The purpose of this study was to discribe the profile of high order thinking of 8th grade students in solving contextual problems regarding slerek boat. This research is a type of descriptive research with a qualitative approach. The research subjects were 8thH grade students of SMPN 1 Muncar, which amounted to 28 students. Data retrieval using test questions and interview activities. From the results of data collection, the results show that the ability of 8thH grade students tends to be able to solve questions at the evaluation level. This can be seen from the results of the test questions where there are 1 student who can solve the question of creation level (C6), 22 students can solve the question of the level of evaluation (C5) and 5 students can solve the level of analysis (C4). Based on the results of interviews, students who can solve the question level C5 have good ability in analyzing problems, can explain the settlement process both orally and in writing, besides that it’s also able to make a hypothesis and test the hypothesis made previously