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Nowadays, teachers and learners are required to be able to apply mathematics learning interactively. The game as the media can create interactive mathematics learning. This study aimed at examining the feasibility of developed game media related to 1) material experts, 2) media experts, 3) education practitioners, and 4) student responses. The type of research was Research and Development. This research applied evaluative qualitative research. The research was conducted on the students at eighth-grade of Junior High School in MTs Negeri Salatiga. The data were collected using in-depth interviews and expert assessments. The data analysis technique used constant comparative. The results of the research were media assessment, 1) media experts was 97% in the very feasible category, 2) material experts was 77% in the feasible category, 3) education practitioners was 92% in the very feasible category, and 4) student responses was 92% in the very feasible category. Thus, it showed that the educational game media which developed was suitable to use in learning mathematics at school. [ABSTRACT FROM AUTHOR]

Creative thinking ability is a problem-solving skill that produces a lot of answers and solutions, also create new and different things through idea or work. Observing and developing students' creative thinking abilities can be done by providing open-ended-based problems. This research was aimed to: 1) describe students' creative thinking abilities in the aspect of originality, and 2) describe students' creative thinking abilities in the aspect of elaboration. This type of research was qualitative-ethnographic. In collecting the data, the researchers used student learning outcomes documents and interviews. The subjects of this research were teachers of mathematics and students of class X at Madrasah Aliyah. The researchers used triangulation techniques to test the validity of the data. As for the technique of data analysis, this research used an inductive approach through data reduction, displaying data, and drawing conclusions. From the data, the researchers found: 1) student completions met the aspect of originality by producing a different answer than usual, it showed that students completed SPLTV tasks using an unusual method, namely the matrix method which was more simple and practical, and 2) student completions met the aspect of elaboration by answering meticulously, which meant students understood the context of SPLTV task, did the task in detail, concluded it precisely and clearly. [ABSTRACT FROM AUTHOR]

The covid-19 pandemic presents a big challenge for the world of education and the government has decided to enforce online learning. This matter makes teachers need to use the appropriate teaching materials, one of the actions was by developing electronic student worksheets. This research has two objectives, those are: 1) Analyzing the feasibility of the contextual-based electronic student worksheet in mathematics learning in Junior High School, 2) Analyzing the effectiveness of the electronic student worksheet in improving student's mathematics learning outcomes. This research belonged to Research and Development (R & D). This research used quantitative research. Data collection with questionnaires and learning outcomes tests. Data analysis technique with constant comparison and N-Gain test. The results of the research, 1) Contextual-based electronic student worksheets that were developed are suitable to use in learning mathematics. The electronic student worksheet was declared feasible by material experts with an average of 4.17. Media experts rate it very feasible with average of 4.50. The response of education practitioners rated it very feasible with an average of 4.38. Student responses rated very feasible with an average of 4.32. 2) Contextual-based electronic student worksheets that have been developed were effective in improving student's mathematics learning outcomes with an N-Gain test score of 0.56 which was included in the medium category. [ABSTRACT FROM AUTHOR]

Students' mathematical thinking ability is still relatively low since students have not been able to form arguments and draw conclusions from answers. One of the efforts to develop students' reasoning abilities is to construct reasoning topics focusing on TIMSS. This paper aims twofold: 1) analyze the application of TIMSS-oriented thinking questions in junior high school and 2) test the effect of TIMSS-oriented thinking questions on improving students' mathematics learning outcomes. The type of research was Research and Development (R&D). This paper employed quantitative research. The data were collected through questionnaires and learning outcomes tests. Data analysis techniques were carried out with fixed comparison and N-gain test. The research results showed that 1) the development of TIMSS-oriented thinking questions was feasible for learning mathematics. TIMSS-oriented reasoning topics were declared feasible by materials experts, with an average of 91%. Student responses were given an average score of 0.76. 2) The advanced TIMSS-oriented reasoning questions enabled students to improve their mathematical performance by taking the 0.58-point N-Gain test in the intermediate category. [ABSTRACT FROM AUTHOR]

Students with Intellectual disabilities have obstacles in cognitive processing, so the appropriate learning methods are needed to achieve the expected competencies. This study aims (1) to analyze the steps of the mathematics learning process in Special School, (2) to analyze the methods, instructional media, strategy or approach of learning mathematics for students with mild intellectual disabilities, (3) to analyze the ability of students with mild intellectual disabilities in addition and subtraction operations on natural numbers. This study used qualitative research methods. The data collection instrument was developed based on indicators of a good learning process. Furthermore, the research instrument was validated using an expert validator. Data collection techniques in this study are observation, interviews, and documentation. The data was analyzed using the descriptive method. The research subjects are teachers, students, and the learning process in grade 5th Special School Pelita Kasih. Based on the result and discussion, it can be concluded that (1) the learning process consists of preparation, implementation, and evaluation. In preparation, the teacher has prepared syllabus, lesson plans, and worksheets that are adapted to the abilities of students with mild intellectual disabilities. However, the teacher has not made an Individualized Education Program (IEP) based on the analysis of the results of the assessment conducted on students with intellectual disabilities. At the evaluation stage, the teacher prepares an evaluation instrument by adapting the questions from the teacher's handbook. (2) the teacher uses two learning methods, namely lectures and role-playing in delivering material on number operations (addition and subtraction) and recognizing money. (3) students can complete addition operations with a maximum result of 10 but have not been able to perform subtractions with a larger subtraction [ABSTRACT FROM AUTHOR]

This study aims to describe the results of the analysis of the mathematical communication ability test instrument for junior high school students on the material of flat-sided geometry. The questions are made based on indicators of mathematical communication skills, namely drawing, mathematical expressions, and writing. Instrument validation is carried out by expert judgments consisting of lecturers and teachers. The instrument was given to students who have studied flat-sided geometry to calculate the validity, reliability, discriminating power and the level of difficulty. The results of the instrument test show that the mathematical communication ability instrument is appropriate and feasible to be used in the flat-sided geometry for junior high school students. [ABSTRACT FROM AUTHOR]

The problem-solving ability of open-ended mathematics students in Indonesia is still very low. Teachers more often assume students have the same ability, so students are often given training questions with closed problem nature. This needs to be changed by eliminating old habits and providing open-ended based exercises. The purpose of this article is three. Describes students' problem-solving skills in 1) plan problem solving, 2) implement a problem-solving plan, and 3) re-examine the results of problem-solving solutions. Type of qualitative-phenomenological research. Data collection techniques are tests in the form of questions, documentation, and interviews. The analysis technique used is data triangulation. The results of the study, 1) 9 students or 45% of the number of students can solve problems up to the stage of planning problem solving, 2) 10 or 50% of students can solve problems up to implement problem solving planning, and 3) 1 student or 5% of the number of students can solve problems up to the stage of re-checking. [ABSTRACT FROM AUTHOR]

The 2013 curriculum is currently applied in learning activities in Indonesia. This curriculum has several basic foundations, one of which is a philosophical foundation based on culture. One of the subjects that have been integrated into culture is mathematics. Mathematics is universal because it can be used as the basis for the development of science so that it can be associated with culture or called ethnomathematics. Ethnomathematics is the relationship between school mathematics and culture in the surrounding environment. One of the world's cultural heritage in Indonesia is Prambanan Temple. Prambanan Temple is the largest Hindu temple, built in the 9th century AD, and there are elements of mathematics. The research objectives in this article are twofold. Analyzing ethnomathematics in 1) flat shape and 2) spatial structure at Prambanan Temple, Yogyakarta. This type of qualitative research with ethnographic design. Data collection techniques are observation, interviews, and documentation. Test the validity of the data using source triangulation and technical triangulation. Inductive data analysis technique. The results of this study, namely 1) there is the concept of flat geometry in Prambanan Temple. The concepts of flat shapes found include squares, rectangles, trapezoids, and circles. 2) There is a geometric concept of spatial structure in the Prambanan Temple. The concepts of building space found include rectangular blocks and pyramids. [ABSTRACT FROM AUTHOR]

Reasoning is one of the important components that students should have in school. In solving problems can apply reasoning, especially to non-routine problems that can be taken from PISA problems. In fact, the settlement of PISA problems in students in Inonesia is still relatively low. A student's low problem-solving rate can be known in one way, namely, by testing the reasoning he has. The purpose of the research in this article is two. 1) Analyze the feasibility of PISA-based reasoning problems on math learning in junior high, 2) Test the impact of PISA-based reasoning problems in improving students' math learning outcomes. The overall type of research is research and development (R&D). This article uses quantitative research. Data collection with questionnaires and tests of learning results. Data analysis techniques with constant comparison and N-gaim test. The results of the study, 1) PISA-based reasoning problems developed are worth using in mathematical learning. The problem of reasoning is declared feasible by material experts with an average of 4.05. The response of education practitioners rated it as decent with an average of 4.03. The student response was very decent with an average of 4.20. 2) PISA-based reasoning problems that have been developed can improve students' math learning outcomes with an N-Gain test score of 0.46 which falls into the moderate category. [ABSTRACT FROM AUTHOR]

This study aims to describe the results of the analysis of the test instrument for the student's mathematical creative thinking skills in junior high school on polyhedron geometrics. The question is arranged based on indicators of mathematical creative thinking skills, namely fluency, flexibility, originality, and elaboration. The question readability test was carried out on five experts and also students to find out the instrument's theoretical validity. The instrument was tested on junior high school students, who then calculated the value of its validity, reliability, discriminating power, and difficulty level. The results of the instrument test showed that the mathematical creative thinking skill instrument was feasible to use in polyhedron geometric for junior high school students with several revisions. Researchers who are interested in using mathematical creative thinking instruments can use them by adopting and modifying the instrument. [ABSTRACT FROM AUTHOR]

Students' assumptions, about how difficult it is to learn mathematics topics, causes low students' mathematics achievement. This assumption causes students' anxiety. Meanwhile, students' successness depends on how students face difficulties in learning mathematics. Adversity Quotient (AQ) is an intelligence that describes a student's ability to face difficulties. A good AQ is expected to help students overcome obstacles in learning mathematics. This study is quasi-experimental with a post-test-only control design. This research was conducted to students of grade VII. The sampling technique used was purposive random sampling. This research aims to know the effect of POGIL Model on Students' AQ in Mathematics and describe Students' AQ in Mathematics. The data in this study were collected using an AQ scale instrument with a semantic differential scale type. Data analysis technique is two sample independent t-test. Based on the results and discussion, The conclusions in this research were (1) significantly, the adversity quotient of students who get learning with the POGIL model is better than students who get conventional learning, (2) the dimensions of adversity quotient that are most responded positively by students are the dimensions of control, ownership and reach, (3) the POGIL stage that can develop students' AQ is the exploration stage and concept formation. Based on these conclusions, recommendations for readers who will do similar research or are interested in implementing POGIL learning is advanced learning steps in this research that can help students develop the dimensions of origin and endurance. [ABSTRACT FROM AUTHOR]