Analysis of Mathematical Representation Ability Based on Level of Reading Interest in Geometry Course

Reading literacy activities are currently being held by all levels of education. Literacy activities have a positive effect on students in understanding information. The ability to understand information can be realized through mathematical representation, which is one of the main elements in mathematical understanding. This research can help educators in mapping the mathematical representation ability based on the reading interest of students. The purpose of this research is to identify which indicators can be mastered by students who have reading interests at high, medium, and low levels. This research is qualitative. The research subjects were students of the Mathematics Education Department of Ivet University. The data collection procedures used were scale, test, and interview. The instruments of this study were the reading interest scale, mathematical representation ability test, and interview sheets. The data analysis technique of this study adopted data analysis techniques from Miles and Huberman. The conclusions of this study are (1) students with high and medium reading levels have the ability to represent mathematical representations to model and interpret physical, social, and mathematical phenomena; have the ability of mathematical representations to create and use representations to communicate mathematical ideas or concepts; have the ability of mathematical representations in selecting, applying, and translating mathematical representations to solve problems, (2) students with a low reading level have lacked on the ability of mathematical representations to use representations to model and interpret physical, social, and mathematical phenomena, thus it caused them couldn’t mastering the ability of mathematical representations to create and use representations to communicate mathematical ideas or concepts and the ability of mathematical representations to select, apply, and translate mathematical representations to solve problems. Keywords: mathematical representation ability, reading interest, geometry.

Developing A Learning Media on Limit of Algebraic Functions by Using Google Forms

The objective of the research is to develop a valid and practical learning media using google forms for material on the limit of algebraic functions. The type of research is Research and Development (R & D) using the ADDIE model in the process of developing a learning media. The ADDIE model development procedure is Analysis, Design, Development, Implementation, and Evaluation in validation results of development research involved six students at SMAN 11 Pandeglang and six teachers who are media experts and material experts. The results of this study are (1) Produce mathematics learning media using google forms with good qualifications on the material limit of algebraic functions, (2) Media expert assessments of well-qualified learning media products, and (3) Average results of validation by students on media products with good qualifications. Keywords: learning media, e-learning, google forms, limits of algebraic functions.

Ethnomathematics Exploration of The Masjid Raya Bandung Ornaments in Transformation Geometry Materials

The mosque is the result of acculturation between Islamic culture and local culture. Many mosque ornaments use geometric motifs. This research is an ethnomathematics study that aims to explore the ethnomathematics aspects of mosque ornament, especially the material of geometric transformation Ethnomathematics research is part of qualitative research, so this research uses qualitative research. The purpose of ethnomathematics research is to study the mathematical ideas contained in a culture, so the method used is ethnographic. The research location is Masjid Raya Bandung which was selected by purposive sampling. The researcher acts as an instrument that collects data through observation, documentation, and literature review. The research data were analyzed through data condensation, data display, and concluding. The results showed that there are ethnomathematics aspects of Masjid Raya Bandung ornaments in the material of transformation geometry, namely translation, reflection, rotation, and dilation. The mosque ornaments can be used as an alternative source of learning in mathematics learning, especially transformation geometry material. Keywords: ethnomathematics, transformation geometry, mosque ornament.

Character Education Through Realistic Mathematics Learning Based On Ethnomathematics

Mathematics is a discipline that can improve thinking skills. However, in reality, the mathematics thinking skills of elementary school students are still low. This is because the mathematics learning used is not optimal and still uses conventional learning. In the process of mathematics learning, there is an integration of character values with mathematics material. Character building through mathematics learning has not been done relatively. The current mathematical concept can be related to cultural activities called ethnomathematics. Through ethnomathematics, mathematics learning becomes more realistic. The purpose of this research is to build students’ character and improve student’s mathematic learning achievement through developing student worksheets with a mathematical approach based on ethnomathematics. The methods of the research were research and development by using steps including preliminary study, design, development, and dissemination. The result of the research is student's worksheets fulfill valid, practical, and effective criteria. The result of the validity of teaching media shows that the average number is 96 % with very good criteria. The effectiveness test shows that there is a distinction of student’s achievement before and after the treatment and the student’s achievement on average is increased. Based on the analysis of student's answers on student worksheets, four characters are built through the learning process with a realistic mathematic approach based on ethnomathematics, such as creativity, independence, curiosity, and nationality. Keywords: character building, realistic mathematics learning, ethnomathematics.

Profiling The College Students’ Anxiety in Statistics Lectures

Statistics has been a compulsory subject in many study programs, considering its importance as a provision for university students to conduct research, which is one of the requirements for graduation. However, statistics anxiety, which hurts statistical competence, is a common phenomenon in students. This study, first, aims to describe students' statistics anxiety. It also wants to examine whether gender differences are also a cause of this statistics anxiety. The study took 167 samples of students at a university in Central Java, Indonesia. They were selected by simple random sampling. The statistics anxiety scale has been tested for its validity and reliability and becomes the instrument in this study. This study found that the majority of students' statistics anxiety was on average at a moderate level. It also found no difference in statistics anxiety based on gender, seen either as a whole or in terms of each domain. Further related research is expected to examine statistics anxiety with a qualitative approach or mixed methods to describe its nature and causes in more depth, as well as efforts that can be made to reduce such anxiety. Keywords: statistics anxiety, gender, interpretation

Mathematical Difficulties of 7th Grade MTs Students Analysis in Online Learning Based on The Realm Bloom’s Taxonomy

Online learning is a new alternative for the continuity of learning activities during the Covid-19 period, where learning is carried out online through various media or ICT used. This research aims to see the analyze how difficult students mathematical in working on mathematical problems, especially in quadrilateral and triangular material. The subject of this study were students of class VII at MTs Negeri Kabupaten Bandung Barat. The instrument used were written tests in the form of essays which numbered 5 questions and a student questionnaire via a google form. This research method uses descriptive analysis, to find out the student's mistakes in solving problems. Processing data is calculated in the form of average student scores obtained by analysis used on Taksonomi Bloom cognitive. The results showed that students achievement in the process of solving triangular and quadrilateral problems based on the stage of Taksonomi Bloom is based on the stage of Taksonomi Bloom, namely, at the cognitive stage the most is in stage C5 and C6 there is evaluation and creation, then in C2, C3, and C4 also still less than 60%. Thus it can be seen that the level of student understanding of rectangular and triangular material is still relatively low so that there is difficulty in solving students' problems on rectangular and triangular material based on Taksonomi Bloom stages. Keywords: student difficulties, online learning, quadrilateral, and triangular, taxonomy bloom

The Effect of the ICARE Learning Model in Distance Learning on the Mathematical Problem Solving Ability of SMK Negeri 2 Karawang Students

This study aims to obtain empirical information about the effect of implementing the ICARE learning model (Introduction, Connect, Apply, Reflect, Extend) in distance learning on students’ problem-solving abilities at SMK Negeri 2 Karawang. The research method used was a quasi-experimental with posttest-only control group design. The population in this study were all class X students at SMK Negeri 2 Karawang. Sampling using Cluster Random Sampling to determine the affordable population and Simple Random Sampling to determine the sample. Class X TB 1 was chosen to be the experimental class and class X TB 3 was selected as the control class. The results of the statistical hypothesis testing were then carried out using the the-test of two independent samples with a significant level of 5% concluded that the mean test results of students' mathematical problem-solving abilities in the experimental class were higher than the control class. The large effect test carried out obtained the result of d = 0.8, this shows that the ICARE learning model in distance learning has a significant effect on the mathematical problem-solving abilities of students at SMK Negeri 2 Karawang on the sequence and series material. The influence given is 79% and is included in the large category. Keywords: Learning Model ICARE (Introduction, Connect, Apply, Reflect, Extend), Distance Learning, Mathematical Problem Solving Ability

Etnomathematics: Batik Activities In Tancep Batik

This study aims to examine the ethnomathematics of batik activity in the Batik Tancep Gunungkidul artwork as contextual mathematics learning. This research is a type of qualitative research with an ethnographic approach. The data was obtained in the form of qualitative data, research data sources obtained through observation, interviews, documentation. The instrument in this study was the researcher himself. Data collection is done by participant observation, in-depth interviews, and documentation. The validity of the data is done by triangulation of data collection techniques and then analyzed descriptively qualitatively. Data analysis is reduced based on Bishop's mathematical fundamental activities. The results of data analysis are then explored in mathematical aspects. The results of the study found mathematical aspects of the area of flat wake area, congruence and congruence of flat wake, comparison, translation, multiplication of count numbers, and volume of curved side space. The results of the study show that the batik activity in the Batik Tancep Gunungkidul artwork is one of the real events that can be raised into contextual mathematics learning. Keywords: Ethnomatematics, Tancep Batik, Contextual Mathematics Learning

Development of Realistic Mathematics Education (RME) Model Based on HOTS Problems for the Topic of Ratio

Learning using Realistic Mathematics Education is a breakthrough in mathematics learning. A difficulty in implementation of PMRI on learning is there are no adequate learning resources or learning media which facilitate PMRI Implementation on learning. This research is aim to develop a PMRI learning pack on ratio topic which consist of Model Book, Teacher’s Book, Student’s Book, Lesson Plan, Worksheets and Evaluation sheets. The product was developed using Higher Order Thinking Skills (HOTS) problems to support students ability to solve problems and develop student’s thinking abillity. Development model used was Plomp Model. From research results we find that the product was valid, practice, and effective. Validation results show that the validation score was 4,19. The practically was obtained by the consistency of practically evaluation scores from expert and learning observation results. The effectiveness was obtained by four indicators, namely: 1) 80% of 35 students gain high or very high score, 2) percentage average of students and teachers activities gain ideal tolerance time, 3) 92,5 % of students give a positive response on learning, and 4) Teacher’s capability to manage to learn good category. Keywords: development, Realistic mathematics education, ratio

Development of Mathematics Teaching Materials Based on Realistic Mathematics Education Using Tri-N on Linear Equation System Material

Teaching materials are learning tools that contain materials, learning methods, and ways to evaluate students which are arranged systematically to achieve learning objectives. The teaching materials used during mathematics learning are textbooks that make it difficult for students to understand the material and educators have not developed teaching materials based on a realistic mathematics education using the Tri N teaching. This research aims to determine the validity and responses of students to the development of mathematics teaching materials based on realistic mathematics education using Tri N teaching on the material of linear equation system class X SMK. This type of research is Research and Development (R&D) which aims to produce and test product quality. This research refers to the 4D development model, namely Define, Design, Develop, and Disseminate. However, this research only reached the development stage. Data was collected by using documentation techniques, validation sheets, and student response questionnaires. The test subjects were students of class X TKJ 1 SMK Kesuma Margoyoso. The data analysis technique used is descriptive analysis. This research produces a product of mathematics teaching materials with an average percentage of 85.6% which is included in the very valid category. Student responses to teaching materials are in the very good category with an average percentage of 82.22%. This shows that teaching materials are suitable for use in learning at school. Keywords: teaching materials, realistic mathematics education, tri-n.