scholarly journals PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA KELAS VIII B SMP NEGERI 5 SINGARAJA MELALUI PENERAPAN MODEL PEMBELAJARAN CORE BERBANTUAN GRAPHIC ORGANIZER

2019 ◽  
Vol 8 (1) ◽  
pp. 49-60
Author(s):  
K. D Damayanti ◽  
I. W. P Astawa ◽  
I. G. N. Y Hartawan
Keyword(s):  
Problem Solving ◽  
Lesson Plan ◽  
Mathematics Learning ◽  
Mathematical Problem ◽  
Graphic Organizer ◽  
Mathematical Problem Solving ◽  
Ability Test ◽  
Class Viii ◽  
Core Graphic ◽  
Academic Year

Penelitian ini bertujuan untuk mendeskripsikan : (1) peningkatan kemampuan pemecahan masalah matematika siswa kelas VIII B SMP Negeri 5 Singaraja, dan (2) tanggapan siswa kelas VIII B SMP Negeri 5 Singaraja terhadap pembelajaran matematika melalui penerapan model pembelajaran CORE berbantuan Graphic Organizer. Jenis penelitian ini adalah penelitian tindakan kelas yang dilaksanakan dalam tiga siklus. Subjek penelitian adalah siswa kelas VIII B SMP Negeri 5 Singaraja pada semester genap Tahun Ajaran 2017/2018 sebanyak 30 orang. Data kemampuan pemecahan masalah matematika siswa dikumpulkan menggunakan tes kemampuan pemecahan masalah matematika dan tanggapan siswa dikumpulkan menggunakan angket. Selanjutnya, data yang telah terkumpul dianalisis secara deskriptif. Hasil penelitian menunjukkan bahwa nilai rata-rata kemampuan pemecahan masalah matematika siswa kelas VIII B SMP Negeri 5 Singaraja meningkat dari siklus I, siklus II, hingga siklus III, yaitu 59,29 pada siklus I, 74,55 pada siklus II, dan 78,89 pada siklus III, ketuntasan belajar siswa juga mengalami peningkatan dari siklus I, siklus II, hingga siklus III, yaitu 26,67% pada siklus I, 63,33% pada siklus II, dan 80 % pada siklus III. Peningkatan optimal kemampuan pemecahan masalah matematika siswa pada siklus III terjadi karena guru lebih menekankan pada: 1) pertanyaan-pertanyaan pancingan dalam mengidentifikasi permasalahan, 2) menyelesaikan rencana penyelesaian sesuai strategi yang telah disusun dengan benar, 3) pemberian bimbingan dan motivasi kepada siswa, serta 4) pemberian masalah yang dapat memberikan pengalaman belajar lebih  banyak. Selain itu, tanggapan siswa terhadap penerapan model pembelajaran CORE berbantuan graphic organizer tergolong sangat positif dengan skor rata-rata tanggapan siswa 49,03. Kata kunci: model pembelajaran CORE, graphic organizer, kemampuan pemecahan masalah matematika, tanggapanAbstractThis study was aimed to describe: (1) the improvement of students’ mathematical problem solving ability in class VIII B SMP Negeri 5 Singaraja through the application of CORE assisted graphic organizer, and (2) the response of students in class VIII B SMP Negeri 5 Singaraja toward mathematics learning through the implementation of CORE assisted graphic organizer. The type of this research was classroom action research conducted in three cycles. The subjects of research were students in class VIII B SMP Negeri 5 Singaraja on the second semester of academic year 2017/2018 consisted of 30 students. Data of students’ mathematical problem solving ability were collected using mathematical problem solving ability test and students’ response were collected using questionnaire. Furthermore, the collected data were analyzed descriptively. The result showed their score was slightly increased in 1st cycle, 2nd cycle, until 3rd cycle, such as 59,29 on the 1st cycles, 74,55 on the 2nd cycle, and 78,89 on the 3rd cycle. Their achievements also reached high percentage, they were 26,67% on the 1st cycles, 63,33%  on the 2nd cycle, and 80%  on the 3rd cycle. The ultimate score occurred on the 3rd cycle because the teacher focused on : 1) giving stimulated questions in problem identification, 2) executing lesson plan correctly, 3) motivating the students, and 4) giving the case studies for sustainable learning. Moreover, the response of students towards CORE  assisted graphic organizer was positive within score 49,03. Keywords: CORE learning model, graphic organizer, mathematical problem solving ability, response

scholarly journals Efektivitas Pembelajaran Matematika Realistik Terhadap Kemampuan Pemecahan Masalah Matematik Siswa Kelas VII SMP

2018 ◽  
pp. 1-9
Author(s):  
Ananda Ria Pertiwi Sinaga
Keyword(s):  
Problem Solving ◽  
Junior High School ◽  
Mathematics Learning ◽  
Mathematical Problem ◽  
Mathematical Problem Solving ◽  
Learning Approaches ◽  
Learning Attitudes ◽  
Realistic Mathematics ◽  
Quasi Experimental ◽  
Academic Year

This study aims to (1) find out whether the mathematical problem-solving abilities of students who are taught by realistic mathematics learning were higher than those students who were taught using conventional learning; (2) knowing students' learning attitudes towards realistic mathematics learning approaches. This research is a quasi-experimental study with a quantitative approach. This research was conducted in class VII of the Junior High School 28 Medan 2017/2018 Academic Year where the population of this study was all class VII. Samples from this study were class VII-G as the experimental class and class VII-F as the control class. Based on the results of the analysis of calculations, the following data are obtained: (1) the results of analysis of realistic mathematical learning on students' mathematical problem-solving abilities using the t-test found that ttable = 1.68 and tcount = 3.6821 so tcount> ttable then concluded that H0 is rejected and Ha be accepted. The mathematical problem-solving abilities of students who are taught by realistic mathematics learning was higher than conventional learning. (2) student responses were very positive towards realistic mathematics learning with an average of ≥ 86.03.

scholarly journals HUBUNGAN ADVERSITY QUOTIENT DENGAN KEMAMPUAN PEMECAHAN MASALAH SISWA SMP PADA PEMBELAJARAN MATEMATIKA

2018 ◽  
Vol 7 (2) ◽  
Author(s):  
Lisa Dwi Afri
Keyword(s):  
High School ◽  
High School Students ◽  
Problem Solving ◽  
Mathematics Learning ◽  
Mathematical Problem ◽  
Coefficient Of Determination ◽  
Mathematical Problem Solving ◽  
Problem Solver ◽  
Ability Test ◽  
Problem Solving Skills

Problem solving must be developed and internalized in mathematics<br />learning, so students have problem solving skills that students can<br />transfer to their daily lives when facing problems or difficulties.<br />There is a mental attitude that affects a person's success to become a<br />successful problem solver, namely adversity quotient. This mental<br />attitude affects the mindset and emotions so it is not easy to give up<br />in solving problems. This study aims to measure the relationship<br />between adversity quotient and problem solving abilities of junior<br />high school students in mathematics learning. This research is a<br />correlation study. The population was students of SMPN 1 Padang<br />Panjang 2014/2015 academic year, while 32 samples were selected<br />by purposive sampling. The data was collected using an adversity<br />quotient scale and a mathematical problem solving ability test. Data<br />were analyzed by regression correlation techniques. The results of<br />data analysis showed a correlation coefficient between adversity<br />quotient variables with mathematical problem solving abilities of r =<br />0.756&gt; rtable (0.297), meaning that there was a significant positive<br />relationship between adversity quotient and mathematical problem<br />solving abilities. The coefficient of determination obtained is r2 =<br />0.572 indicating that adversity quotient has an effect of 57.2% on<br />mathematical problem solving abilities of junior high school<br />students, while 42.8% is influenced by other factors

scholarly journals The Effect of Problem Based Learning and Learning Motivation of Mathematical Problem Solving Skills of Class 5 Students at SDN 0407 Mondang

2020 ◽  
Vol 3 (1) ◽  
pp. 531-539
Author(s):  
Arif Mahmuda Pohan ◽  
Asmin Asmin ◽  
Asih Menanti
Keyword(s):  
Problem Solving ◽  
Student Learning ◽  
Mathematics Learning ◽  
Mathematical Problem ◽  
Problem Based Learning ◽  
Learning Motivation ◽  
Mathematical Problem Solving ◽  
Learning Methods ◽  
Class V ◽  
Academic Year

This study aims to: 1) find out whether students' mathematical problem solving abilities that are taught with problem based learning are better than students who are taught by direct learning. 2) find out whether the mathematical problem solving ability of students who have high learning motivation is better than students who have low learning motivation. 3) find out whether there is an interaction between learning and student learning motivation towards students' mathematical problem solving abilities. This study uses a quasi-experimental method with a 2x2 factorial design. The study population was fifth grade students (five) in the odd semester of the 2017/2018 Academic Year at SDN 0407 Mondang which consisted of two classes with a sample of 50 students. The class used as the sample of the experimental group is class V A with 25 students and the control class is class V B with 25 students. Thus the sample selection is done by total sampling technique. Data was collected by student achievement test and student motivation instrument. The collected data was processed statistically using a two-way variance (anava) analysis technique with a significance level of 0.05. The results showed that (1) There was an influence of problem-based learning methods on the mathematical problem solving ability of Class V students of SD Negeri 0407 Mondang 2017/2018 Academic Year; (2) There is an influence of student learning motivation on the mathematical problem solving ability of fifth grade students of SD Negeri 0407 Mondang for the Academic Year 2017/2018; and (3) There is an interaction between problem-based learning methods and students' motivation to the mathematical problem solving ability of students of Class V of SD Negeri 0407 Mondang 2017/2018 Academic Year. Practically, this study recommends that teachers use problem-based learning methods in mathematics learning and pay attention to the level of student motivation so that the learning design is adjusted to that motivation level. Theoretically, this study contributes to adding knowledge related to problem-based mathematics learning in elementary schools. Further studies can deepen studies related to the suitability of student characteristics with the selected learning method because these aspects are indicated as one of the key factors for student learning success.

scholarly journals The Effect of REACT Model Assisted Fable-Math Book Media on Mathematical Problem Solving Of Elementary School Students

2020 ◽  
Vol 4 (2) ◽  
Author(s):  
Destiana Dian Arfiani ◽  
Himmatul Ulya ◽  
Savitri Wanabuliandari
Keyword(s):  
Problem Solving ◽  
Quantitative Research ◽  
Mathematical Problem ◽  
T Test ◽  
Average Score ◽  
Mathematical Problem Solving ◽  
School Students ◽  
Ability Test ◽  
Before And After ◽  
Academic Year

This study aims to analyze (1) the average mathematical problem solving ability of students who can achieve the KKM, (2) the proportion of students who can complete classical completeness of 75%, (3) differences in students' mathematical problem solving abilities before and after the REACT model assisted by fable-math book media is applied, (4) increasing mathematical problem solving abilities. The research method used is quantitative research with a pre-experimental design trial design in the form of one group pretest posttest. Sampling was done by means of purposive sample. The sample in this study were IV grade students in academic year 2019/2020. Collecting data using interview techniques, documentation, and tests. The data that has been collected is then analyzed using statistical analysis in the form of one sample t-test, z-proportion test, paired sample t-test, and n-gain test. After applying the REACT model assisted by the fable-math book media the results of the study showed that the average score of the student's problem-solving ability test got more than 70, the proportion of students who completed the test could achieve classical completeness above 75%, there were significant differences in the pretest and posttest results, and there is an increase in students' mathematical problem solving abilities with the medium category.

scholarly journals EFFORTS TO IMPROVE STUDENTS’ MATHEMATICAL PROBLEM SOLVING ABILITY THROUGH CONTEXTUAL TEACHING AND LEARNING AT SMP NEGERI 1 BINJAI

2017 ◽  
Vol 3 (3) ◽  
Author(s):  
Desy Agustina Situngkir ◽  
E Elvis Napitupulu
Keyword(s):  
Problem Solving ◽  
Teaching And Learning ◽  
Mathematical Problem ◽  
Eighth Grade ◽  
Average Score ◽  
Mathematical Problem Solving ◽  
Class Viii ◽  
The Subject ◽  
Contextual Teaching ◽  
Academic Year

 ABSTRACT The purpose of this research was to know whether contextual teaching and learning (CTL) approach could improve students’ mathematical problem solving ability (SMPSA) in eighth grade of SMP Negeri 1 Binjai. The type of this research was Classroom Action Research. The subject of this research was students in class VIII-9 which consisted of 20 students. The object was SMPSA on cube and cuboid topic in eighth grade of SMP Negeri 1 Binjai Academic Year 2015/2016.This study consisted of two cycles.  Each cycle had two meetings. SMPSA was tested in the end of cycle. Instrument used to collect data in this research were test and observation sheet. After giving a treatment to students, in the first cycle, the average score of their mathematical problem solving ability was 2.30. Ten of  20 students (50%) obtained score ³ 2.67. The average score of teacher’s activities in observation sheet was 2.66, which classified as good category. The average score of students’ activities in observation sheet was 2.55, which classified as good category. In the second cycle, the average score of mathematical problem solving ability was increased became 3.05 with 18 students (90%) obtained score ³ 2.67. The average score of teacher’s activities in observation sheet was 3.44, which classified as very good category. The average score of students’ activities in observation sheet was 3.22, which classified as very good category. From the result of research, it can be concluded that the implementation of contextual teaching and learning (CTL) approach can improve students’ problem solving ability. The suggestion that given for teachers is to be able to implement contextual teaching and learning (CTL) approach as an alternative in learning process that can improve problem solving ability.Keywords : Contextual Learning, Mathematical Problem solving Ability

scholarly journals DEVELOPMENT OF LEARNING INSTRUMENTS OF PROBLEM BASED LEARNING INVOLVING MATHEMATICAL PROBLEM SOLVING ABILITY OF STUDENTS IN 8TH GRADE SMP/MTs FOR LINEAR SYSTEMS WITH TWO VARIABLES MATTER

2020 ◽  
Vol 2 (2) ◽  
pp. 68-78
Author(s):  
Eva Novita Nurhasanah ◽  
Yenita Roza ◽  
Sehatta Saragih
Keyword(s):  
Data Analysis ◽  
Problem Solving ◽  
Linear Systems ◽  
Lesson Plan ◽  
Mathematics Learning ◽  
Mathematical Problem ◽  
Problem Based Learning ◽  
Mathematical Problem Solving ◽  
Validation Data ◽  
Average Value

Learning in the class must be well planned, one of which to create learning instruments that refer to the curriculum implementation. This research aims to produce mathematics learning instruments (Syllabus, Lesson Plan, and Student workshet) using the problem based learning model in the linear systems with two variables matter. This research is a research and development (R&D) using the 4-D model. The research instrument were an instrument of validity in the form of a validation sheet to assess the validity (syllabus, RPP and LKPD) and practical instruments in the form of a questionnaire for students' responses to LKPD. Validation data analysis results obtained an average value for the syllabus is 3.36 in the category of very valid,  value for the RPP is 3.23 in the category of valid, value for the LKPD is 3.32 in the category very valid. Validation result facts state the syllabus, RPP and LKPD are feasible use.  The results of practicality data analysis of LKPD in small group was 87.01% in the very practical category and the result of practicality data analysis in large group trials was 86.10% in the very practical category. Which means the mathematics learning instruments can improve students’ mathematical problem solving ability and feasible used for students in learning.

scholarly journals PENGARUH PENGGUNAAN MODEL LEARNING STARTS WITH A QUESTION TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA

2020 ◽  
Vol 1 (2) ◽  
pp. 70-77
Author(s):  
Mustika Helma ◽  
Gigin Saipul Rahma
Keyword(s):  
Problem Solving ◽  
Research Design ◽  
Experimental Research ◽  
Hypothesis Test ◽  
Mathematical Problem ◽  
T Test ◽  
Mathematical Problem Solving ◽  
Model Learning ◽  
Ability Test ◽  
Class Viii

The study began with observations at VIII Rengat Barat Middle School students of class VIII. This study aims to determine students' mathematical problem solving abilities using the Learnig Starts With A Question model. This type of research is experimental research (experimental research) with a quasi-experimental design research design. The research design used was The Randomized posttest-only control design. The sampling technique uses Simple Random Sampling. In this study the instrument used was a test of students' mathematical problem solving abilities. Data obtained on the problem-solving ability test were analyzed using the Independent Samples T-Test based on the results of the hypothesis test, the value of tcount = 2.014 and ttable = -1.999 with (df) n-2 and significance <0.05 (0.048 <0.05). As for the Independent Samples T-Test testing criteria, reject H0 if t> t table. Based on that, H0 is rejected because tcount = 2,014> ttable = -1,999. So it can be concluded that the students 'mathematical problem solving ability using the Learning Starts With A Question learning model is better than the students' mathematical problem solving ability using the conventional model in class VIII of SMP Negeri 4 Rengat Barat. Keywords: Problem Solving, Learnig Starts With A Question

scholarly journals PROSPECTIVE TEACHERS’ ABILITY IN MATHEMATICAL PROBLEM-SOLVING THROUGH REFLECTIVE LEARNING

2016 ◽  
Vol 5 (2) ◽  
pp. 75
Author(s):  
Yunika Lestaria Ningsih ◽  
Rohana Rohana
Keyword(s):  
Problem Solving ◽  
Prospective Teachers ◽  
Mathematical Problem ◽  
Reflective Learning ◽  
Mathematical Ability ◽  
Mathematical Problem Solving ◽  
Ability Test ◽  
Interview Guide ◽  
The Subject ◽  
Academic Year

The research aims to determine the mathematical problem-solving ability of prospective teachers’  through  reflective learning.  Reflective learning is a learning process that provides students the opportunity to examine and investigate the problems that is triggered by experience, analyzing of individual the experiences, and facilitate the learning of  the experiences. These lessons are identified to improve mathematical ability students. By using a descriptive qualitative research. The subject of this study were students of Mathematics Education Program in one of private universities in Palembang, consisting of 34 students. This study was conducted in odd semester academic year of 2015/2016. The instruments in this study were mathematical problem-solving ability test, observation sheet, and interview guide. The data were analyzed descriptively. Based on analysis of the data are found that the average mathematical problem-solving ability of students’  through  reflective learning in good categories.

scholarly journals Intuisi Siswa SMK dalam Memecahkan Masalah Matematika Ditinjau dari Kemampuan Matematika dan Perbedaan Gender

2017 ◽  
Vol 4 (1) ◽  
pp. 35-52 ◽  
Author(s):  
Nazariah Nazariah ◽  
Marwan Marwan ◽  
Zainal Abidin
Keyword(s):  
Problem Solving ◽  
Mathematics Learning ◽  
Mathematical Problem ◽  
Mathematical Ability ◽  
Mathematical Problem Solving ◽  
Ability Test ◽  
Mathematical Problems ◽  
Gender Factor ◽  
High Level ◽  
The Way

Mathematics learning activities would not be separated from the problem of mathematics. The  mathematical will be a problems if  in solving  problem  students does not immediately know the answer, but it takes time to think what steps should be taken to resolve the issue. In fact, many students are good at solving mathematical problems often use smart ways beyond of expectations and habits, thereby providing a short and accurate answer. in contrast to the students who have moderate or low mathematical ability, the way that used to solve the problem tend to give answers  lengthy and sometimes less accurate, although many low of  students math skills who have difficulties to find a way to solve mathematical problems. It showed that, there is a correlation between mathematical abilities of the students with intuition that students use in solving mathematical problems. On the other hand, the gender factor influencing the way to gain knowledge of mathematics. The influence of the gender factor in the process of conceptualization showed that gender may affect the use of intuition in understanding mathematical concepts. The aims of this study is to determine the differences between women's and men’s intuition on vocational students who have a high level of mathematical ability, medium and low in mathematical problem solving. This study used a qualitative approach with descriptive research  without the use of statistical analysis. the population is a whole class X SMK 1 Banda Aceh by taking six subjects consisted of 3  male and 3 female subjects at various levels, through learning achievement tests and consultation with subject teachers. Data collected by using a test instrument covering mathematical problem solving ability test and an interview. Based on this research, note that: 1) The differences characteristic between women and men on the subjects intuition  in solving mathematical problems by using  solving Polya; 2) the differences intuition subjects  between men and and women in solving mathematical problems by solving Polya; 3) There are differences intuition on various materials.

scholarly journals PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAMS ACHIEVEMENT DIVISION (STAD) UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH DAN PENALARAN MATEMATIS

2020 ◽  
Vol 2 (1) ◽  
pp. 16-20
Author(s):  
Chyntia Pasalbessy ◽  
Wilmintjie Mataheru ◽  
Carolina Selfisina Ayal
Keyword(s):  
Problem Solving ◽  
Cooperative Learning ◽  
Mathematics Learning ◽  
Mathematical Problem ◽  
Mathematical Problem Solving ◽  
Ability Test ◽  
First Semester ◽  
Eighth Grade Students ◽  
Direct Teaching ◽  
The Difference

The mathematical problem solving ability is important for students to solve problems in mathematics learning. The purpose of this study was analyzed the difference in improvement of mathematical problem solving ability between students who use STAD type of cooperative learning model and direct teaching. This type research is experimental research with a quantitative appoarch. The subjects in this study were eighth-grade students of the SMP Kalam Kudus Ambon in the first semester of the 2019/2020 academic calendar, which consisted of two classes. Methods of data collection through an Initial Ability Mathematics test and a mathematical problem solving ability test. The result showed that there was a difference increase in ability of problem solving between students who obtain learning by using the STAD type cooperative learning models and direct teaching

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