Improvement Of Mathematical Communication Ability Research Articles

ANALISIS KEMAMPUAN KOMUNIKASI MATEMATIS DAN KEAKTIFAN SISWA SMA DENGAN PENDEKATAN PROBLEM POSING

The background of this research problem, starting from the still low ability of mathematical communication and the activity of high school students. The purpose of this research is to describe the improvement of mathematical communication ability and activity of class X students of SMA Muhamadiyah 1 Cimahi. Design Research conducted a classroom study using John Elliot's model. The research flow has two cycles, each cycle consisting of planning, execution, observation and reflection. The result of this research is that there is improvement of mathematical communication ability and activeness by applying problem posing approach on learning mathematics about SPLTV in SMA Muhammadiyah 1 Cimahi class X, for the improvement of mathematical communication ability viewed based on percentage of students whose value is below KKM, equal to KKM, and above the KKM sequentially respectively by 9.68%, 54.84%, and 96.77%. To increase student activeness can be seen based on percentage of students who have active active value and very active in cycle I and cycle II, respectively equal to 35,48% and 93,54%.

The improvement of mathematical communication ability of elementary school students through project-based learning using mind map technique

Mathematical communication is one of the important abilities for students to face the challenges in this era. The fact-based on the preliminary study conducted by researchers on students in elementary school showed that most students find difficulties in communicating mathematical ideas. The present study is aimed to describe whether the improvement of mathematical communication ability of students who learn through project-based learning using mind map technique is better than the improvement of mathematical communication ability of students who learn through project-based learning without mind map technique. This study used a quasi-experiment using a non-equivalent group design. Sixty-three students of one of the elementary schools in Bandung city were taken as subjects of this study. The instrument of this study used mathematical communication test. The data were analyzed using non-parametric statistics. The result showed that the improvement of mathematical communication ability of students who learn through project-based learning using mind map technique is better than the improvement of mathematical communication ability of students who learn through project-based learning without mind map technique.

Discovery Learning Model and Props of Statistical Kenik In Improving The Mathematical Communication Ability of Junior High School Students

The purpose of this study is to examine the achievement and improvement of junior high school students' mathematical communication ability using discovery learning models and props of statistical kenik compared to students who use ordinary learning, and student activities during learning using discovery learning models and props of statistical kenik to take place. This study used a quasi-experimental design. The experimental group obtained learning with discovery learning models and props of statistical kenik and control groups obtained regular learning. The instrument used was a test of mathematical communication ability. The population in this study were all eighth grade students of SMP Negeri 2 Cilamaya Kulon Karawang. With the sample subjects were eighth grade students as many as two classes from the five existing classes randomly selected. The results of this study are: (1) There is achievement and improvement of mathematical communication ability between students whose learning uses discovery learning models and props of statistical kenik compared to students who use ordinary learning; (2) Learning by using discovery learning models and visual aids shows that the learning process is more effective in mathematical problems solving and students can find statistical material concepts.

Meningkatkan Kemampuan Komunikasi Matematis Dan Self Confidence Siswa Menggunakan Pendekatan PBL Berbantuan Geogebra

This study aims to examine the mathematical communication skills of students whose learning using Problem Based Learning approach GeoGebra assisted compared with using ordinary learning. This research is using the experimental method. Population in this research is a student of class X SMAN 1 Parongpong West Bandung academic year 2017/2018 with a sample of research is a student of class X SMAN 1 Parongpong consisting of class X Mia 1 as control class and X Mia 4 as experiment class is taken at random. The instrument used in this research is a test of mathematical communication ability in the form of problem description as much as 8 questions, as well as Self Confidence scale. Data were analyzed using IBM SPSS Statistic 1.7 for windows program. From this research, the following results are obtained: (1) Improvement of mathematical communication ability of students whose mathematical learning using geographic assisted PBL approach is better than using ordinary learning. (2) Increased self-confidence of students using geographic-assisted PBL approach is better than students using conventional learning Keywords: Communication Ability, Self Confidence, Problem Based Learning, Geogebra

Integration of products assessment in mind mapping learning to enhance mathematical communication

Mathematical communication is a fundamental mathematics educational objective. Mathematical communication ability and skills of students in primary school of namely SD 1 Peganjaran Kudus still relatively low because the students has not been given the opportunity to communicate mathematical ideas, orally and written. This study aimed to describe the improvement of mathematical communication ability and skills of 3rd grade students through the application of mind mapping learning that accompanied with product assessment. Classroom action research was conducted on 3rd grade students in SD 1 Peganjaran Bae Kudus. The study lasted for two cycles. Each cycle included planning, action, observation, and reflection. Mathematical communication skill of students was observed based on the observation sheet, whereas mathematical communication ability measured by tests of mathematical communication. The findings are mind mapping learning with product assessment could improve the mathematical communication skills of students from 69.75% in the 1st cycle to 75.52% in 2nd cycle and the average of students’ mathematical communication ability has increased from 73.25 in 1st cycle to 85.75 in 2nd cycle. The teacher can add more mathematics problems type that dig students in communicating mathematical ideas so that written, oral and visual mathematical communication skills can be increased.

PENINGKATAN KEMAMPUAN KOMUNIKASI MATEMATIS SISWA SMP MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAMS ACHIEVEMENT DIVISION DAN BUZZ GROUP (Studi Komparatif pada Kelas VII SMPN 3 Parongpong, Bandung Barat)

This study aims to improve the mathematical communication ability of junior highschool students. Research using cooperative learning model type Student Teams AchievementDivision (STAD) and Buzz Group type. This research uses two classes namely class VII-A andVII-E SMPN 3 Parongpong, West Bandung. The test instrument is a test of mathematicalcommunication ability on the subject of data presentation. Non-test instruments are aquestionnaire of student responses to know their preferences and benefits for mathematicslearning. The test used is t-test at the 0.05 significance level. The results showed that: 1)Student's mathematical communication ability before obtaining cooperative learning typeStudent Teams Achievement Division (STAD) and Buzz Group type are not different and are inlow category. After the treatment of mathematical communication experience Improvement.Increased mathematical communication ability of students who obtained cooperative learningmodel type Student Teams Achievement Division (STAD) and Buzz Group type increased inhigh category, 2) There was no significant difference in the improvement of mathematicalcommunication ability between students who obtained cooperative learning model type StudentTeams Achievement Division (STAD) and Buzz Group type, 3) Student response indicates thatstudents are very fond of cooperative learning model of Student Teams Achievement Division(STAD) type and Buzz Group type.

Development of Learning Devices Based on Metacognition Approach to Improve Mathematical Communication Ability of Students in State SMP 30 of Medan

This study aims to: 1) Describe validity, practicality, and effectiveness of learning devices based on metacognition approach developed on mathematical communication ability of students in State SMP 30 of Medan; 2) Describe the improvement of mathematical communication ability using learning devices based on the metacognition approach developed. Researchers develop learning devices based on a metacognition approach using the Dick & Carey development model. The learning devices produced from this study are the teacher’s book and student’s books. From the results of this study it was found that: 1) the developed learning devices fill the criteria of valid, practical, and effective in terms of their respective criteria; 2) in the first trial there was an increase in mathematical communication ability using learning devices developed in the low category, it’s about 0.28 and in the second trial there was an increase in mathematical communication ability using learning devices developed in the medium category, it’s about 0.56.

The Improving Mathematical Communication Ability and Students’ Self-Regulation Learning through Realistic Mathematical Approach Based on Batak Toba Culture

This purpose of this research to know: (1) The improving of mathematical communication ability and students’ self regulated learning through realistic mathematics approach based on Batak Toba culture is higher than students who are given regular learning, (2) there is interaction between learning approach with initial ability of mathematic (KAM) in improvement of students mathematical communication ability and students’ self regulated learning. This research type is quasi experiment. This research was conducted at SMP N 2 Dolok Panribuan. The population in this study is all students of class VII. Based on the results of the analysis, the research results are obtained: (1) improving of mathematical communication ability and students’ self regulated learning through realistic mathematics approach based on Batak Toba culture is higher than students who are given regular learning, (2) there is no interaction between learning approach with initial ability of mathematic (KAM) in improvement of students mathematical communication ability and students’ self regulated learning. Recommended by the teachers can use realistic mathematics approach based Batak Toba culture by presenting issues related to local culture as an alternative learning.

INCREASING COMMUNICATION AND CAPABILITY MATHEMATIC DISPOSITION OF SMA STUDENTS THROUGH EXPLORATION APPROACH

This study is a quasi experimental research, which aims to examine the achievement and improvement of communication skills and creative thinking and mathematical disposition of high school students through an exploratory approach. The sample consists of 2 classes amounting to 68 students of class XI one high school in West Bandung. Instruments in this study are each set of test description of the ability of mathematical communication, and a set of mathematical disposition scale. The study found that the achievement of mathematical communication ability of high school students who received learning with exploratory approach is better than those who received regular learning reviewed in whole and the students' early mathematical ability. Likewise, the improvement of mathematical communication ability of high school students who received learning with better exploration approach than those who received regular learning reviewed in whole and early mathematical ability of their students. However, there was no interaction between the exploration approach and the students' early mathematical ability that resulted in communication skills and mathematical disposition students. For the achievement of mathematical disposition ability of students whose learning using exploratory approach is better than students with ordinary learning reviewed overall and early mathematical ability, but there is no interaction of exploration approach and KAM that resulted in mathematical disposition of students. Besides, there is also a considerable relation between communication ability and mathematical disposition of students.

APPLICATION OF INDUCTIVE APPROACH TO IMPROVE MATHEMATICAL COMMUNICATION CAPABILITIES AND STUDENT SELF EFFICACY JUNIOR HIGH SCHOOL

Background of this research is still low ability of communication of mathematics and self efficacy of first middle school student. The purpose of this study is to improve the ability of mathematical communication and self efficacy of junior high school students whose learning using inductive approach in comparison with using ordinary learning in review of the student's early mathematical ability. The research method that is taken is quasi experiment. Data collection techniques in this study using quantitative techniques in the form of pretest, postes and n-gain of mathematical communication skills and self efficacy. The result of the research is that there is a difference in the improvement of mathematical communication ability of junior high school students whose learning using inductive approach with the learning using conventional approach and, there is no difference of self efficacy of junior high school students whose learning using inductive approach with the learning using conventional approach. Based on the results obtained then the inductive approach can be used as an alternative to improve the ability of mathematical communication and less suitable for self efficacy.

MENINGKATKAN KEMAMPUAN KOMUNIKASI MATEMATIK SISWA SMP DENGAN PENDEKATAN CONTEXTUAL TEACHING AND LEARNING (CTL)

This research did from the low ability phenomena of mathematical communication of SMP in Purwakarta. The low skill ability of mathematical communication can be seen from the lack of students in completing the test of mathematical communication form to provided in the first research, the purpose of this research was to examined the improvement of CTL (Contextual Teaching and Learning) skill with traditional learning and the methodology of this research using quasi-experimental method which consist of two classes. The first is experiment class treated using CTL and the second is control class treated traditional learning. The population of the research taken was students of SMP Negeri 1 Babakan Cikao and a randomly selected sample of consist of 30 students of class VII A as the experiment. Class and 30 students of class VII D as control class. The instrument of this research used 6 items about mathematical communication description form, that has been tested the validity, reliability and distinguish of power form indexed difficulty. Based on the result of data analysis have concluded that the improvement of mathematical communication ability in SMP Negeri 1 Babakan Cikao by using CTL approach is better than traditional learning.

Penerapan Model Pembelajaran Giving Question and Getting Answer Terhadap Kemampuan Komunikasi Matematis Siswa

The research aims to analyse the students pre-ability, post-ability, and improvement of mathematical communication ability towards Giving Question and Getting Answer technique. The research is conducted in SMP Negeri 1 Cinangka academic year 2017/2018. The research method is quasi-experiment with pretest and posttest control group design. The research sample is 33 students for experimental class and 36 students for control class. The improvement is calculated by using N-Gain. The data analysis uses T-Test. The research result show that the student pre-ability of mathematical communication for experimental and control class is equal. The students post-ability of mathematical communication for experimental class is higher than the students who is applied by conventional technique. Therefor, the implementation of Giving Question and Getting Answer technique can improve the students mathematical communication ability for grade VIII SMP Negeri 1 Cinangka.

THE EFFORTS TO INCREASE STUDENTS MATHEMATICAL COMMUNICATION SKILL TROUGH THE USE OF POWERPOINT AND GUIDED DISCOVERY METHODOLOGYON THE STUDY OF CURVED-FACE-THREE-DIMENSIONAL OBJECT (STUDY CASE ON CLASS IX B MTsN CIMAHI – WEST JAVA, INDONESIA)

The background of this research is due to the low ability of students' mathematical communication in class IX B MTs Negeri Kota Cimahi. The purpose of this study to determine how the implementation of mathematics learning using power point and to determine the improvement of students' mathematical communication skills on the Curved-face-theree-dimensional object after applying the method of guided discovery. The research method used is Classroom Action Research (PTK) with 3 cycles that are packaged in Lesson Study program. Data collection techniques used documentation, observation, and tests. The result of the research shows that the implementation of mathematics learning using power point with guided discovery method runs conductively and shows positive response, and there is improvement of mathematical communication ability on the 3rd cycle. This is proven by tackling the students' formative value seen from the absorptive power of classical cycle 1 65.39% to 72.94% in cycle 2 and to 86.59% in cycle 3. Based on the results obtained is expected that educators can apply powerpoint spinning with good planning and implementation so that the ability of students' mathematical communication can increaseKeywords: PTK, Lesson Study, Guided Discovery, Mathematical Communication, Power Point

Penerapan Model Pembelajaran Kooperatif Tipe Course, Review, Horay (Crh) Terhadap Kemampuan Komunikasi Matematis Dan Self-Efficacy Siswa

The research was distributed by the importance of mathematical communication skills and self-efficacy of students. This research aims to assess the application of the cooperative learning model of the CRH type (Course, Review, Horay) against mathematical communication skills and self-efficacy of MTs students. Design research used are Nonequivalent Control Group Design. The population are grade VIII students of MTs Assalaam. And the sample, consist of 20 students of CRH class (experimental group) and 20 students of conventional class (control group) were selected by purposive sampling technique. Issues that are examined, namely the improvement of mathematical communication ability of students ' self-efficacy, diversity, the relationship between mathematical communication skills and self-efficacy, the influence of self-efficacy after learning, as well as the activity of students against mathematics learning with a model response cooperative type CRH. Quantitative analysis using independent sample t-test, Mann-Whitney test, and Pearson correlation test Correlation, while the qualitative analysis done for descriptive. The results showed an increase in mathematical communication skills students acquire learning cooperative learning model with CRH type better than students who get conventional learning, self-efficacy of students who get the learning model cooperative type CRH is no better than students who get conventional learning, there is a relationship between the mathematical communication and self-efficacy of the students, self-efficacy after learning were in the category of medium, as well as the activity of students against mathematics learning with a model response cooperative type CRH increases.

Penerapan Asesmen Kinerja Untuk Mengukur Kemampuan Komunikasi Matematis Dan Kemandirian Belajar Siswa SMK

This research is intended to study the improvement of mathematical communication ability problems and students’ learning activity independency thorough learning activity with performance assessment and also to gain students activity learning description in learning mathematics. The methodology of this research is the alloyment of qualitative data embedded into quantitative. The population of this research are 14 classes of XI yearstudents of SMK Negeri 1 Cianjur. And the sample are the XI year students of RPL 1 as experimental class and XI year students of TKJ 1 as control one. Its instrument is questions about mathematical communication ability and questionnaire of students’ learning independency scale, activity observation sheet, and students interview sheet. The result of this research is 1)The improvement of students mathematical communication ability which use the performance assessment better than those who learn the material with conventional one; 2) There is some improvement of mathematical communication ability with performance assessment; 3)The students are actively involved in learning process with performance assessment