scholarly journals Building of the Students Capability on the Problem Solving and Mathematical Communication through Realistic Mathematics Indonesia Approach (PMRI)

2019 ◽  
Author(s):  
Wawan

This study aimed to describe the learning process of using Realistic Mathematics Indonesia Approach as the solution to buildthe students ability on problem solving and mathematical communication and to know the result of application of thisapproach. The type of this research was Classroom Action Research. The procedure of this study wasdone twocycles; eachcycle consists of four steeps: planning, action, observation, and reflection. The subject of this study was the fourth grade ofelementary school at I Kaligesing, which are 17 students. The research instrument includes sheets observation and tests.Sheet Observation was used to obtain data on religiosity and social students during the students‘ learning, while the test wasused to measure the ability of mathematical problem solving and communication students. The core of these activitiesinclude: delivery of realistic problems, group discussions, presentations and conclusions. The rate of spiritual aspects ofstudents in the first cycle was obtained average 5.96, and the second cycle was obtained average 6.83. For the assessment ofthe social aspect, the liveliness indicator increased by 6% from the first cycle to the second cycle, the indicator ofcooperation obtained 10% increase and the tolerance indicator obtained an increase of 10% from the first cycle to the secondcycle. The results of the measurement of problem-solving skills in the initial conditions obtained an average of 50.15, in thefirst cycle obtained a mean of 64.12, and then at the second cycle were obtained average of 74.41. As for the measurement ofthe results mathematical communication skills, in the initial conditions only gained an average of 48.6, after the first cycleobtained average of 65.71, and the second cycle was obtained 75.23. From these results it can be concluded that theapplication of PMRI can increase student‘s ability on the problem solving and mathematical communication

2021 ◽  
Vol 15 (4) ◽  
pp. 511-518
Author(s):  
Lutfi Putri Nugraheni ◽  
Marsigit Marsigit

Mathematical problem solving was an crucial skill to be mastered by primary school student so that will help student to unravel their problems encountered in everyday life. By using the realistic mathematics approach, stundents learn mathematical concept based on reality or scope around students. This study aimed to develop an eligible learning materials and test the effectiveness of learning materials based on realistic mathematics education to enhance the problem solving skill of primary school students. This research and development study was conducted in Sawangan Subdistrict, Magelang Regency, Central Java, Indonesia. The testing subjects consisted of 12 students in the the preliminary field, there were 42 students in the main field, and 90 students in the operational field that divided into experiment dan control class. The data were collected by interviews, observation, and tests. The analyzing N-gain score and t-test with a significant level of 0.05 done to find out th effectiveness of the teaching materials. The developed of realistic mathematics eduation learning materials is feasible and effective in improving problem solving skill with significance value of 0.000 (p≤0.05). It can enhance the problem solving skills of 4th grade elementary school.


Author(s):  
Puri Nur Aisyah ◽  
Anik Yuliani ◽  
Euis Eti Rohaeti

This study aims to describe the ability of communication and problem solving of mathematical students in the material quadrilateral and triangle in class VII in one district of MTs Bandung. This type of research is qualitative research with phenomenology model which aims to interpret communication ability and ability to solve the mathematical problem of students. The subjects of this study were 24 students for communication skills and 25 students for math problem-solving skills. The result of data analysis shows that the mathematical communication ability of grade VII students in one MTs in Kabupaten Bandung is still relatively low with the highest percentage being in the low communication ability qualification which is 37.5%, while for students who have ability is get percentage equal to 29,2% and for students with high communication skills get a percentage of 33.3%, while for problem-solving skills in class VII is quite good with the highest percentage in qualification students with high problem-solving ability with a percentage of 44%, while for qualified students who ability is getting percentage by 40%, and for low qualifications only got a percentage of 16%.. Keywords: mathematical communication ability, mathematical problem-solving ability


2020 ◽  
Vol 4 (1) ◽  
pp. 01
Author(s):  
Ahmad Fauzan ◽  
Yerizon Yerizon ◽  
Fridgo Tasman ◽  
Rendy Novri Yolanda

This research aimed to develop local instruction theory that is valid, practical, and effective to help elementary school students developing their mathematical problem-solving skills. Therefore a sequential activityis design on dailybasis to encourage students to develop their ability to solve mathematical problems, especially on the topic division. To achieve the goal, realistic mathematics approach was implemented to grade three elementary students in the learning process. The designed activities were validated by experts on the aspects of mathematical contents, language, didactical process based on realistic mathematical approach. Data were analyzed with descriptive statistics and parametric statistics. The validation results show that the local instruction theory was valid, and the implementation shows that the local instruction theory is practical and effective in improving students' mathematical problem-solving skills.


2021 ◽  
Vol 8 (3) ◽  
pp. 338
Author(s):  
Untung Teguh Budianto

The purpose of this study is to analyze whether the application of PBL learning model to improve problem -solving skills and motivation on line and series material for students of class XI MIPA 1 SMA Negeri 1 Moga Pemalang Regency 2019/2020 school year. This class of action research consists of two cycles with stages of planning, action, observation, and reflection. Data collection was done by observation techniques, tests, and documentation. This research data analysis technique uses descriptive analysis technique. The results showed that students' problem -solving abilities improved both in cycle I and in cycle II when compared to the initial conditions. The average problem -solving ability in the initial condition is 46.36 increased to 69.88 in cycle I increased again in cycle II to 76.03. Similarly, students' learning motivation increases from cycle I to cycle II.


2019 ◽  
Vol 4 (1) ◽  
pp. 41
Author(s):  
Masdelima Azizah Sormin ◽  
Nursahara Nurasahara

This research is a development research using a modification between the 4-D development model developed by Thiagarajan. The stages of this research are define, design, develop and disseminate . The development of problem-based mathematical modules at the disseminate (dissemination) was   carried out in a limited manner in schools that are the subject of research.   The   subjects   in   this   study   were   class   X   students   of   SMA   Negeri   4Padangsidimpuan. From the results of the development test: (1) problem-based mathematics modules fulfiill validity criteria with valid predicates, (2) the problem-based mathematics modules was practical based on revised and interview results from the expert teams, and (3) this  problem-based  mathematics modules was effective to used based on observations the time ideal of percentage achievemen , the results of the mathematical problem solving ability test fulfill classical completeness, that was 80% of the test subjects, and (4) the improvement of students' mathematical problem solving skills by using the module from test I to trial II and fulfill the classical completeness. Keywords:  Development,  Problem  Based  Mathematics  Module,  Mathematical  ProblemSolving Ability 


2019 ◽  
Vol 5 (2) ◽  
pp. 112
Author(s):  
Ngganiyatur Rochmah ◽  
RR. Ettie Rukmigarsari ◽  
Siti Nurul Hasana

Pembelajaran matematika merupakan proses interaksi atau komunikasi antara guru dan peserta didik serta lingkungan belajar agar peserta didik memperoleh kompetensi dalam bidang matematika. Kompetensi di bidang matematika yang harus dimiliki oleh peserta didik salah satunya adalah kemampuan pemecahan masalah matematis dan kemampuan komunikasi matematis, karena pada dasarnya kemampuan tersebut merupakan suatu kemampuan yang penting dan perlu dikuasai oleh peserta didik yang belajar matematika. Khususnya peserta didik sekolah menengah (SM). Metode yang digunanakan dalam penelitian ini adalah mix method research, (metode campuran) dengan jenis sequential explanatory. Desain penelitian kuantitatif menggunakan true experimental. Sedangkan desain penelitian kualitatif menggunakan deskriptif-kualitatif yang digunakan untuk melengkapi penelitian kuantitatif. Pada artikel ini dijelaskan bahwa perlakuan dengan model kooperatif tipe STAD dapat mempengaruhi kemampuan pemecahan masalah matematis dan kemampuan komunikasi matematis peserta didik. Hal tersebut dapat dilihat dalam hasil analisis data kuantitatif maupun kualitatif yang menunjukkan adanya perbedaan kemampuan pemecahan masalah matematis dan kemampuan komunikasi matematis antara peserta didik kelas eksperimen yang diberi perlakuan dengan model kooperatif tipe STAD dengan peserta didik kelas kontrol yang diberi perlakuan dengan model konvensional. Mathematical learning is a process of interaction or communication between teachers and students and the learning environment so that students gain competence in the field of mathematics. One of the competencies in the field of mathematics that must be possessed by students is mathematical problem solving skills and mathematical communication skills, because basically these abilities are an ability that is important and needs to be mastered by students who learn mathematics. Especially middle school students. The method used in this research is a mix method with sequential explanatory methods. Quantitative research design uses true experimental. While the qualitative research design uses descriptive-qualitative research that is used to complement quantitative research. In this article, it is explained that the treatment with the cooperative type STAD model can affect students' mathematical problem solving abilities and mathematical communication skills. This can be seen in the results of quantitative and qualitative data analysis which shows a difference in mathematical problem solving abilities and mathematical communication skills between experimental class students who were treated with the cooperative type STAD model and control class students who were treated with conventional models.


Author(s):  
Norlenda Mohd Noor ◽  
Hanifah Sulaiman ◽  
Zuraida Alwadood ◽  
Suhaila Abd Halim ◽  
Nurul Filzah Syamimi Wahid ◽  
...  

<p>Mathematics is one of the basic and core subject for engineering students. Learning mathematics helps in developing problem solving skills as the subject requires critical thinking. However, many students perceive mathematics as a difficult subject and eventually get poor result for the subject. In the institution under study, there were increases in failure rate for the subject for the past few semesters. Based on a preliminary study, it was found that 55 percent of engineering student claimed that they encountered difficulties in visualizing functions in 3-dimensional space, which is the main content for engineering calculus subject. This fact is very unsatisfactory as engineering students are expected to possess strong mathematical problem solving skills. In light of this, the objective of this research is to develop an interactive teaching and learning tools, so as to assist students in visualizing 3-dimensional space functions. The tool is intended to be used in teaching and learning process in classrooms and it is expected that the students’ understanding in the subject could be improved.</p>


2019 ◽  
Vol 4 (2) ◽  
pp. 287
Author(s):  
Syaiful Rohim ◽  
Khoerul Umam

The main purpose of this study was to compare and examine the effectiveness of problem-posing and think-pair-share cooperatives' learning models on mathematical problem-solving skills and mathematical communication skills. This study was experimental research with a quasi-experimental design. The samples of the study were 41 students for classroom experiments and 40 students for classroom control. The instruments employed in this study were pre-test and post-test. The instruments were made in essay forms which design to measure students’ mathematical problem-solving skills. The result of the study showed that problem-posing and think-pair-share are very effective to improve students’ mathematical achievements. However, between the problem-posing and think-pair-share, the think-pair-share is more effective than problem-posing, view from the standards of mathematical problem-solving skills and mathematical communication skills of Junior High School students.


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