This study aims to determine the relationship and the extent of influence between mathematical resilience and students' mathematical problem-solving abilities in basic mathematics courses. This research is motivated by the perception of students who tend to be negative towards mathematics as well as an attitude of lack of confidence and easily give up in solving the given questions. In addition, students' mathematical solving abilities are also classified as low, even though this ability is very important because it is the basis and general goal of learning mathematics. The method used in this research is quantitative descriptive method. The population in this study were all Semester I students of the Computer and Informatics Engineering study program at STKIP AL Maksum Langkat which consisted of 5 classes and took basic mathematics courses, while the research sample was taken using purposive sampling technique, which is a technique of determining and taking the specified sample. by researchers with certain considerations. The sample consisted of 35 students. The instruments in this study were test questions in the form of mathematical problem-solving abilities and non-test questions in the form of a mathematical resilience scale. Then the data is processed using hypothesis testing techniques, correlation analysis and simple regression assisted by SPSS and Microsoft Excel. The results showed that there was a positive relationship between mathematical resilience and students 'mathematical problem-solving abilities with the effect of mathematical resilience by 41.3% on students' mathematical problem-solving abilities.
The purpose of this study is to improve the mathematical problem-solving ability of students in class VII-1 MTs Islamiyah Medan through the STAD type cooperative learning model. This research is a Class Action Research (CAR). The subjects of this study were 40 students of grade VII-1 MTs Islamiyah Medan. The object in this study is to improve students' mathematical problem-solving abilities through the STAD Type Cooperative learning model on the subject of rectangular flat shapes. This research instrument uses tests of mathematical problem-solving abilities, observation, and interviews. Based on the preliminary results of the interviews conducted with the mathematics teacher, it was obtained that the mathematical problem-solving ability of students in class VII-1 MTs Islamiyah Medan was still not optimal. From the data obtained only 17.5% of students met the mathematical problem-solving ability criteria. This research was conducted in two cycles by providing treatment using STAD learning. Based on the results of data analysis students' mathematical problem-solving abilities in the first cycle obtained that 70% of students meet the criteria. But because it has not reached 85% completeness then continued with the second cycle. In the second cycle, 90% of students who met the criteria of mathematical problem-solving ability were obtained. The conclusion of this study is an increase in students' mathematical problem-solving abilities from cycle I to cycle II.
Abstract. The purpose of this study is to produce quality student activity sheets. To achieve this, this research uses development research. The development model used in this study is a 4-D development model consisting of the Define, Design, Development and Disseminate stages. The subject of this research is the tenth grade students of SMK 1 Percut Sei Tuan Deli Serdang Regency and the object of this research is the mathematics student activity sheet of trigonometry material using the Differentiated Instruction (DI) approach. Developed in this study is the student activity sheet (LAS). The results of the study show that: (1) the level of mastery learning in classical is 83.33%; (2) the level of student activity during the learning process takes place on the ideal time tolerance criteria; (3) the level of the teacher's ability to manage learning is good, because the average has reached the minimum criteria; (4) student responses to the components of the device and the learning process are positive; (5) Mathematical problem solving abilities of students have increased with an average value of 1.457 at pretest and 3.103 in postes with an average increase (N Gain) included in the medium category with an average of 0.521. The researcher suggested that the Differentiated Instruction approach be an alternative for teachers to improve students' mathematical problem solving abilities.Keywords: Student Activity Sheet, Differentiated Instruction Approach, mathematical problem solving ability
This study aims to determine the students' mathematical critical thinking abilities in terms of their mathematical resilience. The subjects of this study were students of Informatics and Computer Engineering Education STKIP Al Maksum in discrete mathematics courses, totaling 37 students. The research instrument used in the form of mathematical critical thinking ability test questions and student mathematical resilience questionnaires. The research method used is a correlational method with a quantitative approach. Then the data were analyzed using simple linear regression. The results showed that the mathematical critical thinking ability based on the mathematical resilience of the students of the Computer Informatics Engineering Education Study Program, STKIP Al Maksum, had a positive effect of 79.9%.
This research is a Classroom Action Research which aims to improve the mathematical reasoning ability of students of class VIII Mts Islamiyah Medan through the Open-Ended approach. The subjects in this study were all students of class VIII-1 MTs Islamiyah Medan, totaling 24 students. This research was conducted in 2 cycles, namely cycle I and II, each of which consisted of two meetings. The instruments used in this study were observation guidelines for implementing learning with the Open-Ended approach, cycle tests to measure students' mathematical reasoning abilities towards learning mathematics with the Open-Ended approach, interview guidelines and documentation. Data from observations, tests, and questionnaires were analyzed quantitatively which was strengthened by the results of interviews and descriptive qualitative documentation. The results showed that the mathematical reasoning ability of students in class VIII-1 MTs Islamiyah Medan increased from cycle I to cycle II after learning was carried out with the Open-Ended approach. This is shown by as many as 20 students or 83.3% experienced an increase in mathematical reasoning ability based on the total score of aspects of mathematical reasoning ability. The average percentage of test scores increased from 66.6% in the first cycle to 83.3% in the second cycle and in the high category. Based on observations of the implementation of learning with the Open-Ended approach is good and in accordance with the characteristics of the Open-Ended Approach. Based on the results of interviews and questionnaire results data student responses to mathematics learning in relation to mathematical reasoning abilities, increased from cycle I to cycle II.Abstrak. Penelitian ini merupakan Penelitian Tindakan Kelas yang bertujuan untuk meningkatkan kemampuan penalaran matematis siswa kelas VIII Mts Islamiyah Medan melalui pendekatan Open-Ended. Subjek dalam penelitian ini adalah seluruh siswa kelas VIII-1 MTs Islamiyah Medan yang berjumlah 24 siswa. Penelitian ini dilaksanakan dalam 2 siklus, yaitu siklus I dan II yang masing-masing terdiri dari dua pertemuan. Instrumen yang digunakan dalam penelitian ini adalah pedoman observasi pelaksanaan pembelajaran dengan pendekatan Open-Ended, tes siklus untuk mengukur kemampuan penalaran matematis siswa terhadap pembelajaran matematika dengan pendekatan Open-Ended, pedoman wawancara dan dokumentasi. Data dari hasil observasi, tes dan angket dianalisis secara kuantitatif yang diperkuat dengan hasil wawancara dan dokumentasi secara deskriptif kualitatif. Hasil penelitian menunjukkan bahwa kemampuan penalaran matematis siswa kelas VIII-1 MTs Islamiyah Medan mengalami peningkatan dari siklus I ke siklus II setelah dilaksanakan pembelajaran dengan pendekatan Open-Ended. Hal ini ditunjukkan oleh sebanyak 20 siswa atau 83,3% mengalami peningkatan kemampuan penalaran matematis berdasarkan skor total aspek kemampuan penalaran matematis. Persentase rata-rata nilai tes mengalami peningkatan dari 66,6% pada siklus I menjadi 83,3% pada siklus II dan da...
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