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Results in Journal Jurnal Tadris Matematika: 56

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Published: 24 May 2018
Jurnal Tadris Matematika, Volume 1; doi:10.21274/jtm.2018.1.1.55-64

Abstract:
The purpose of this study is to describe mind-based discovery learning on complex functions to improve mathematical reasoning abilities. This study used a qualitative approach, with a classroom action research design, which was implemented in two cycles. The research was conducted at Universitas Kanjuruhan Malang with the subject of the study of mathematics education students who took complex functions with the number of 30 students. Data retrieval is: observation, test, documentation, field notes. Data analysis includes data reduction, data presentation, data review and conclusion drawing. Validity of data using triangulation. The results obtained from the data of academic ability, the ability of mathematical reasoning, the ability of student presentation and student response with better sesult. The conclusion of the research is mind map based discovery learning can improve the ability of mathematical reasoning and improve student academic success, so that learning is more qualified.
Siti Fatkun Ni’Mah, Sutopo Sutopo
Published: 24 May 2018
Jurnal Tadris Matematika, Volume 1; doi:10.21274/jtm.2018.1.1.43-54

Abstract:
This research is based on the problems faced by students in solving math problems. Where these problems can hinder the success of students in the learning process. Therefore, researchers take a scaffolding step to overcome the difficulties faced by students in solving the problem of linear equations of one variable. The purpose of this research is to determine the type of the difficulties faced by students in problem solving linear equations one variable in class VII State Islamic Junior High School Pucanglaban and to describe the process of scaffolding students in problem solving linear equations one variable in class VII State Islamic Junior High School Pucanglaban. This study uses a qualitative approach, while based on the discussion techniques included in descriptive research. Methods of data collection using: observation, test, in-depth interviews, and notes field, and documentation as supporting data. Data analysis technique used is qualitative data analysis with steps: data reduction, data presentation and conclusion. The conclusion of this study were: (1) Difficulties faced by students in solving mathematical problems one variable linear equation materials are: (a) in understanding the problem, (b) in making a mathematical model, (c) to operate, and d) in drawing conclusions. (2) Provision of appropriate scaffolding to overcome the difficulties that students face, is as follows: (a) to overcome the difficulties students in understanding the problem, appropriate scaffolding is explaining, reviewing and restructuring. (b) to overcome student difficulties in making mathematical models, appropriate scaffolding is reviewing, and restructuring. (c) to overcome difficulties in operating, appropriate scaffolding is restructuring. (d) to overcome difficulties in drawing conclusions, appropriate scaffolding is developing conceptual thinking.
Lutfianannisak Lutfianannisak, Ummu Sholihah
Published: 24 May 2018
Jurnal Tadris Matematika, Volume 1; doi:10.21274/jtm.2018.1.1.1-8

Abstract:
Mathematical communication is the way students express mathematical ideas either orally, written, drawing/diagrams, presenting in algebraic form, or using mathematical symbols. This research is motivated by field fact that shows that the learning process in school has not given opportunity to students to communicate idea related to their understanding. In this case the authors analyze the mathematical communication skills of X-IPA MA superior students Jabal Noor Trenggalek use the indicators on mathematical communication by selecting the subject by purposive sampling as much as 6 students of X-IPA class academic year 2016/2017 high-ability, average, and low. The purpose of this study is to describe the mathematical communication ability of the X-IPA MA superior students of Jabal Noor Trenggalek in solving the mathematical problems of the composition of functional material in terms of mathematical ability. This research uses qualitative approach with descriptive research type. Data were collected by giving tests and interviews. Data analysis is done through data reduction, data presentation, and conclusion. The results showed that the mathematical communication ability of high, medium, and low-ability students fulfilled the 3 components of communication standards established by NCTM, namely: 1) organizing and consolidating their mathematical thinking through communication; 2) analyzing and evaluating mathematical thinking (mathematical thinking) and strategies used by others, 3) using mathematical language to express mathematical ideas correctly.
Muniri Muniri
Published: 24 May 2018
Jurnal Tadris Matematika, Volume 1; doi:10.21274/jtm.2018.1.1.9-22

Abstract:
Intuition has a big role when the analytic (formal) thinking process does not have the ability to reach it to the problems at hand. The presence of this intuition is spontaneous, immediate and sudden, and sometimes unpredictable. However, its presence is not suddenly but supported by the knowledge and experience, skills and skills possessed, through perceptions and feelings. In this context, intuition serves to facilitate the realm of the mind and makes it easy to understand and solve problems (red mathematical problems) in addition to the role of analytical and formal thinking is also required. Thus, intuition can be a means of opening the gates of ideas or ideas of solution discovery before formal steps are done analytically. The author seeks to illustrate the frameworks of these two forms of thinking (intuitive-analytical) inseparable from one another, but they give benefit from each other in the cycle of mathematical problem-solving.
Novika Rahmawati, Maryono Maryono
Published: 24 May 2018
Jurnal Tadris Matematika, Volume 1; doi:10.21274/jtm.2018.1.1.23-34

Abstract:
One of the goals of mathematics teaching is that students have the ability to solve problems that include the ability to understand the problem, devised a mathematical model, solve the model and interpret the obtained solution. The ability of students to solve word problems needs to get serious attention due to the fact that in daily life, students do not face directly about number or numerals but they face word problem related to topics of mathematics. The purpose of this study was to describe the level of students' ability to solve word problems in the material of Linear Equation System with Two Variables (SPLDV). This research used a qualitative approach with descriptive research. Data collection techniques used were written tests, interviews, observations, and documentations. Data analysis technique used is the analysis of qualitative data with measures of data reduction, data presentation, and conclusion. Checking the validity of the data is done with perseverance observation, triangulation and checking peers. The results showed that: 1) High-ability students had excellent problem solving skills. 2) Medium-ability students had excellent problem solving abilities. 3) Students with moderate-ability problem solving ability is enough.
M. Haris Albadawi, Hariratuz Zulfa, Sumani Sumani
Published: 24 March 2018
Jurnal Tadris Matematika, Volume 1; doi:10.21274/jtm.2018.1.1.77-96

Abstract:
Mathematics is a subject that is considered difficult by students. This assumption is not without reason, because Mathematics is a structured science. If the student does not have a structure, then he will not be able to build a structure on it. Many difficulties are commonly experienced by students in Mathematics subjects. Usually students have difficulties in understanding the concept, application of principle, miscalculation, and less skilled in operation. Researchers chose SMAN I Rejotangan for research. This school is still using the curriculum KTSP when researchers conduct research. This school is easily accessible because it is located on bus lane. In addition, researchers also become educators at this school. Therefore, researchers know very well the atmosphere in this school. When conducting National Exam preparation guidance in class XII, researchers found many mistakes from students when working on root shape issues. While the material of the root form should have been mastered by students since class X. Therefore, there must be something that happens when students are still sitting in the bench class X. For various reasons this researcher want to reveal the reason behind the mistakes of students in working on the form of the root form. Not just to analyze students' mistakes, but also to find out the causes of students making.
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