scholarly journals Improvement of Mathematical Problem Solving Ability of High School Students through Problem Based Learning

2020 ◽  
Vol 4 (3) ◽  
pp. 584 ◽  
Author(s):  
Elmiwati Elmiwati ◽  
Kartini Kartini ◽  
Zulkarnain Zulkarnain

The ability to solve mathematical problems is a very important part that must be owned and developed by students in learning mathematics. However, generally Indonesian students' abilities are very low in understanding complex information and problem solving. Therefore, this article aims to know: 1) the increase in Mathematical Problem Solving Ability (MPSA) of students who get Problem Based Learning (PBL) better than students who get conventional learning with a scientific approach is reviewed overall and based on KAM levels; 2) find out the interaction between PBL and conventional models with KAM level to MPSA; 3) the difference in MPSA increase of students who get PBL learning in terms of KAM level. The research method used was a quasi-experimental research design with a pretest-posttest control group design. The sample of 6 grade students of SMAN 2 Bangkinang Kota class XI totaling 183 students. The instrument in this article is a MPSA test using t-test, two-way ANOVA test and one-way ANOVA test. The results in this study were: 1) the increase in MPSA of students who received PBL learning was better than students who received conventional learning in terms of overall and KAM; 2) there is a significant interaction between PBL and conventional models with KAM level to MPSA; and 3) there is a difference in the increase in MPSA of students who get PBL learning in terms of KAM level significantly.

2018 ◽  
Vol 1 (3) ◽  
pp. 355
Author(s):  
Ibnu Imam Al Ayyubi ◽  
Erwan Nudin ◽  
Martin Bernard

This research is motivated by the low ability of mathematical problem solving of high school students who need a learning approach to overcome the problem. Alternative approach used is problem-based learning approach. This study aims to examine whether the problem-solving ability of mathematical students using problem-based learning is better than using ordinary learning. The research method used is experimental method. At the end of the learning the two classes were given a test. The population in this study were high school students in SMAN 2 Cimalaka class XI, while the sample consisted of two classes chosen at random. The data collection in this research is a test of five questions, then the scores of mathematical problem solving abilities are analyzed by descriptive statistics and inferential statistic using two difference test average. Based on the results of research, both from data analysis and hypothesis testing, the authors conclude that the problem solving ability of mathematical students using problem-based learning is better than using ordinary learning.


2021 ◽  
Vol 5 (2) ◽  
pp. 354
Author(s):  
Nurfadilla Nurfadilla ◽  
Putri Yuanita ◽  
Zulkarnain Zulkarnain

This study aims to determine the effect of using student worksheet (LKPD) based on the Problem Based Learning model on the mathematical problem solving abilities of students of class VIII SMP Negeri 2 Pangean. This type of research was a quasi-experimental study with a pretest – posttest control group design. The population was all students of SMP Negeri 2 Pangean Indonesia in the 2019/2020 school year. Sampling method was using random sampling technique. Based on the results of data analysis, the posttest mean score in the experimental class was 85.45 and the average value in the control class was 54.5, meaning that the average value of the experimental class was higher than the control class. The two-mean difference test using the t test was significant (2-tailed) 0.000 <α = 0.05, which means that the posttest score of students 'mathematical problem solving abilities was different from the average posttest score of students' mathematical problem solving abilities. which uses scientific learning. So it can be concluded that there is an effect of the Problem Based Learning model on students' mathematical problem solving abilities.


2020 ◽  
Vol 7 (02) ◽  
pp. 227-238
Author(s):  
Siswadi Siswadi

This study aims to see how the efforts in improving the mathematical problem solving ability of high school students by learning STAD type cooperative strategies. This research is based on the importance of mathematical problem solving abilities that must be possessed by students, but the reality on the ground that these abilities are still very low. This research is an experiment with a pretest-posttest control group design. This is done in order to find out how much improvement in the ability to solve mathematical problems taught by learning mathematics in STAD type cooperative strategies. For the experimental group, students are taught with STAD type cooperative strategies, while in the control group, students are taught by direct learning. The population of this study was high school students, while the sample was students of class XI IPA of Laksamana Martadinata Medan Private High School. Five classes were randomly selected, class XI IPA 3 class as the experimental class and XI IPA 1 as the control class. The instrument used in the form of problem solving problems. Based on the results of the analysis, it can be concluded that: 1) there is a mean difference between students who are taught with STAD type cooperative strategies and those who are in direct learning. 2) Improvement of students' mathematical problem solving abilities that get cooperative learning type STAD gets direct learning ineffective.


2019 ◽  
Vol 10 (2) ◽  
pp. 146-152
Author(s):  
Indhira Asih Vivi Yandhari ◽  
Trian Pamungkas Alamsyah ◽  
Dede Halimatusadiah

Penelitian ini dilatarbelakangi dengan rendahnya kemampuan pemecahan masalah matematis siswa serta strategi pembelajaran yang masih bertumpu pada guru. Salah satu alternatifnya yakni diterapkalah strategi pembelajaran Problem Based Learning, karena strategi ini diharapakan dapat meningkatkan kemampuan pemecahan masalah matematis siswa. Penelitian ini memiliki tujuan untuk mengetahui pencapaian akhir dan peningkatan kemampuan pemecahan masalah matematis siswa yang menggunakan strategi pembelajaran Problem Based Learning lebih baik dari pada siswa yang menggunakan strategi pembelajaran Inkuiri. Metode penelitian yang digunakan adalah quasi ekperiment dengan desain non-equivalent control group. Teknik sampel menggunakan teknik purposive sampling, dimana kelas IV-A sebagai kelas ekperimen dan kelas IV-B sebagai kelas kontrol. Hasil analisis data menunjukan rata-rata skor posttest kelas ekperimen 75,03 dan kelas kontrol 68,7. Rata-rata data Gain kelas ekperimen 0,59 dan kelas kontrol 0,51. Hasil analisis tersebut memberikan kesimpulan bahwa pencapaian akhir dan peningkatan kemampuan pemecahan masalah matematis siswa kelas ekperimen lebih baik daripada kelas kontrol.The research is motivated by the low mathematical problem solving abilities of students and learning strategies that are still based on the teacher. One of the alternative is to apply the learning strategies of Problem Based Learning, because this strategy is expected to improve students' mathematical problem solving abilities. This study has a goal whether the final achievement and improvement of students' mathematical problem solving abilities using Problem Based Learning learning strategies is better than students who use Inquiry learning strategies. The research method used was a quasi experiment with a non-equivalent control group design. The sample technique used purposive sampling technique, where class IV-A as the experimental class and class IV-B as the control class. The results of data analysis showed an average posttest score of experimental class 75.03 and control class 68.7. The average Gain data of the experimental class is 0.59 and the control class is 0.51. The results of the analysis provide the conclusion that the final achievement and improvement of experimental class mathematical problem solving abilities are better than the control class. 


2020 ◽  
Vol 8 (05) ◽  
pp. 1408-1413
Author(s):  
Cut Masturi ◽  
M. Ikhsan ◽  
Anizar Ahmad

This study aims to determine the improvement of problem solving ability of mathematics and self-efficacy of students through problem-based learning model. This research method used pre-test post-test control group design. The population in this study is all of Year 7 students of SMP Negeri 10 Banda Aceh. Two classes of samples were randomly selected, the experimental and the control classesThe research instrument consisted of a mathematical problem solving test and self-efficacy questionnaire. Data analysis was using t-test statistic. The result of the research showed 1) mathematical problem solving ability of students through problem-based learning model better than students who received conventional learning, 2) Self-efficacy of students who through problem-based learning model better than students who learn conventionally.


2018 ◽  
Vol 1 (2) ◽  
pp. 76
Author(s):  
Teguh Imam Agus Hidayat ◽  
Jozua Sabandar ◽  
Mumun Syaban

This study was a pretest-posttest designed control group experiment, aimed at reviewing the role of inductive-deductive approach on Islamic Junior High School students’ skills in mathematical problem solving and self efficacy. This research involved 56 grade eight students, a set of problem solving ability tests and a set of self efficacy scale. The result found that in the extent of mathematical problem solving skills and self efficacy, students who received problem solving-based learning achieved better quality than students who received conventional learning, either overall or based on the early mathematical ability (EMA). The interaction between learning and EMA in achieving and increasing problem solving skill showed no significant difference. Other than that, we found robust association between mathematical problem solving skills and self efficacy.


2018 ◽  
Vol 1 (3) ◽  
pp. 239
Author(s):  
Derry Nugraha ◽  
Heri Ginanjar ◽  
Rosalina Rolina

The research was caused by the poor of mathematical problem solving ability of students. This research aimed to compare of mathematical problem solving between students who learned through problem based learning and scientific approach. The method was an experimental method with a pretest-posttest control group design involving two groups and random sampling. At the first and end of learning, the two classes are given a test. The population in this research were Madrasah Aliyah students in Cimahi, while the sample consisted of two randomly selected classes. One class  which was given problem based learning and other class was given a scientific approach. The instrument was a set of  5-item mathematical problem solving test description, then those were analyzed with descriptive and inferential statistics using the help of minitab 17 software. Based on the results of the research, the conclusion was  the improvement of  mathematical problem solving  of students using problem based learning was better than students who use a scientific approach. 


2020 ◽  
Vol 4 (2) ◽  
pp. 309
Author(s):  
Muhammad Syafri ◽  
Zulkarnain Zulkarnain ◽  
Maimunah Maimunah

Problem solving ability is a very important ability possessed by students in solving school mathematics problems. The purpose of this study is to determine the mathematical problem solving ability of students who use the Search, Solve, Create and Share (SSCS) learning model and the students who study with conventional learning. This research was a quasi-experimental study with a non equivalent control group design. The subjects in this study were all Kampar Junior High School students. The analysis technique used was the One-Way Anova Test and Two-Way Anova Test. The results showed the mathematical problem solving ability of students who learned to use the SSCS model was better than students who learned to use conventional learning models. However, there is no interaction observed between SSCS learning model and students mathematical problem solving ability (KPMM) level on students' mathematical problem solving abilities in Kampar Regency


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