The purpose of this study was to develop an independent learning mathematics module in flipbook format and to examine the achievement of critical reasoning and the independence of students as a measure of its effectiveness. This study used the development research method with the ADDIE design. The instruments used in this study were validation and practicalization sheets, critical reasoning tes…
This study aims to analyze the problem solving ability of high school students on trigonometry material. The method of this study is a qualitative descriptive method with the research subject of 30 students of class XI in one of the Kab. West Bandung. The data collection instrument used was in the form of a description test consisting of 4 questions with indicators of problem solving abilities.…
The problem discussed in this study is to find and analyze the error factors experienced by students in solving trigonometric problems. The subjects in this study were selected by purposive sampling. Where the subjects sellection based on the student’s ability that divided into 3 levels, high ability, medium ability and low ability. There are 3 subjects in total. The research method used …
The Covid-19 pandemic has led to distance learning (PJJ). This results in a lack of student motivation which leads to a decrease in learning outcomes. This study aims to increase students' learning motivation in the form of providing motivational videos. This study used purposive sampling with 10 students of class VII-B at SMPN 1 Margaasih. The researcher also uses Kemmis and Taggart's resea…
This research aims to analyze and study in depth about the self-confidence-influenced skills of matematiS from middle school students. The methods in this study use correlational methods with quantitative approaches. The population in this study was junior high school students in west Bandung regency and the sample of 30 people was determined by purposive sampling technique at one of the junior…
The purpose of this survey is to examine attainment of student’s mathematical critical thinking skill (MCTS) and mathematical self confidence (MSC) according to its cognitive stage. The survey concerns with 36 eighth grade students’, test of logical thinking (TOLT), an essay MCTS test, and a MSC scale. Analysis data of this survey are computation on percentage and testing existancy of assoc…
This study aims to examine the development of an interactive learning model using Visual Basic Application for Microsoft excel with ethnomathematical content on fractions, to improve primary school students’ mathematical reasoning abilities. The research method used is development through the stages of conducting preliminary studies and literature, designing interactive learning models, condu…
This study aims to examine the misconceptions that often occur in junior high school students on the concept of geometry based on abstraction level. The research method is qualitative with a case study design. Subjects in this study are 27 students of the 3rd grade of junior high school students, who had to learn all the concepts that will be appeared on the test. Material that will be given on…
The problem discussed in this study is to find and analyze the error factors experienced by students in solving trigonometric problems. The subjects in this study were selected by purposive sampling. Where the subjects sellection based on the student’s ability that divided into 3 levels, high ability, medium ability and low ability. There are 3 subjects in total. The research method used in t…