Analisis kepercayaan diri mahasiswa pendidikan matematika dalam pembelajaran daring di era pandemi covid-19

Self-confidence is one of the affective aspects that must be considered and developed, especially in building student readiness in undergoing online learning in the current pandemic era. This study aims to analyze the confidence of mathematics education students in online learning in the era of the covid-19 pandemic. This research use descriptive qualitative approach. The subjects of this study were first semester students who took the Differential Calculus course in the Mathematics Education study program at the Universitas Muhammadiyah Tapanuli Selatan for the 2021/2022 academic year. The instrument used in this research is a questionnaire. The data obtained in this study were analyzed descriptively. Based on the results of the study, it shows that the indicators of student self-confidence in online learning in the era of the covid-19 pandemic have not fully achieved, but most of the indicators have mostly achieved self-confidence, namely the first indicator of believing in self-ability, most of them have achieved self-confidence. Students also have not fully met the second indicator, namely being able to act independently in making decisions. In the third indicator having a positive self-concept, most students have achieved this indicator. In the fourth indicator, namely daring to express opinions, almost some students have the courage to express opinions. To further increase student confidence, it is necessary to provide innovation in the implementation of online learning.

Kemampuan penalaran matematis mahasiswa berdasarkan variasi gender dan self-efficacy matematis

The purpose of this study was to determine the differences in mathematical reasoning ability (KPM) based on gender variation (VG) and mathematical self-efficacy (SEM). Quantitative research was chosen to answer the research question. The research design used comparative causality on 75 students at a State University in Mataram City. Data collection was based on gender variance in the selected sample (51 women and 24 men, KPM test scores consisting of 5 items, and a 20-point SEM questionnaire, which were further categorized into 3 levels (low, medium and high). Analysis The data used two-way ANOVA with a 3 x 2 factorial design. The post-anava follow-up test used the turkey test. The results showed that male KPM was better than female KPM. Based on SEM category, student KPM at high SEM was better than student KPM at low SEM This finding emphasizes the importance of instructors being able to observe the characteristics of self-efficacy and gender variations that have an impact on the mathematics learning process.

Implementasi pendekatan pendidikan matematika realistik ditinjau dari pemahaman konsep, aktivitas, dan respons siswa

This study aims to describe the ability to understand mathematical concepts, activities and student responses in learning mathematics with realistic mathematics education approach. To achieve this goal, a quasi-experimental study was conducted with one group pretest posttest design. The population of the study was the eighth grade students of SMP Negeri 4 Angkola Timur, sampling by purposive sampling, namely class 8-2, totaling 26 students. Research activities include the stages of giving the Pre-test followed by learning for 3 meetings which then ends with a final test. Through research conducted using the Paired Samples Test, a significance of 0.00 < 0.05 was obtained, which gave the decision that the initial hypothesis was accepted. Of the 9 aspects of learning activities studied in the application of realistic mathematics education, the overall average value of the percentage of all activities met the active criteria. Furthermore, the average overall student response to being happy, new, interested and understanding/interested in the implementation of realistic mathematics education is 91.11% ≥ 85%. Thus it is concluded that: 1) The implementation of a realistic mathematics education approach has a significant positive influence in learning students' ability to understand mathematical concepts; 2) Student activities in learning mathematics with realistic mathematics education approach are effective; 3) Student responses to learning activities with realistic mathematics education are in the positive category.

Desain soal-soal kemampuan literasi matematis untuk siswa SMP

This research aimed to produce questions of mathematical literacy ability of Mathematical literacy ability on Triangular material for Class VII Junior High School students that are valid and practical and have a good level of difficulty and discriminatory index. This research used the Tessmer development model. Tessmer's development stages include preliminary, self-evaluation, expert review, one-to-one, and small group. The test subjects of this study were class VII students of SMP Negeri 02 Kepahiang, totaling 30 students. The selection of test subjects includes high, medium and low abilities. The data analysis technique of this study used qualitative analysis at the expert review and one to one stage and quantitative analysis at the small group stage by analyzing items based on the level of difficulty and discriminating power index. The results of the research show that the 10 questions developed, 10 questions with indicators of mathematical literacy ability on triangular material are valid and practical, 7 questions are said to be good based on the level of difficulty and discriminatory index, so that they can be used by all students of SMPN 02 Kepahiang.

Pengembangan perangkat pembelajaran matematika dengan pendekatan CTL materi segi empat kelas VII MTs Negeri 3 Siak

The purpose of this research to describe the level validity of mathematics lesson plan by using the Contextual Teaching and Learning (CTL) Approach on Quadrangle Substance at Grade VII MTs Negeri 3 Siak which was valid test. The development model in this research used an R&D model with six stages were the researcher have modified depends on the needs and conditions with current situation now it’s covid-19 pandemic. These six stages arepotential and problems, data collection, product design, design validation, design revision and final product. The data collection technique used in this research was the validation of lesson plan, the kind of data collection instrument was the form of a validation sheet. While the data analysis technique used in the form of descriptive analysis by describing the validity of the lesson plan which was developed by the researcher. The results of this research, the RPP validation were 85.86% with very valid criteria. While the results of LKPD validation were 89.81% with very valid criteria. Based on the results of this research, it can be concluded that the development of mathematics lesson plan with a Contextual Teaching and Learning (CTL) approach on quadrangle substance at grade VII MTs Negeri 3 Siak has been suitable for the validity.

Analisis kemampuan berpikir kritis matematis ditinjau dari resiliensi matematis mahasiswa pendidikan teknik informatika dan komputer

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%.

Model pembelajaran auditory intellectually repetition terhadap peningkatan kemampuan berpikir kritis matematis siswa

The purpose of this study was to determine the mathematical critical thinking ability of students who were taught using the Auditory Intellectually Repetition learning model was better than the mathematical critical thinking skills of students who were taught through a scientific learning approach. This study uses a quantitative approach and the type of research used is quasi-experimental research. The population in this study were 11th grade students of SMA Negeri 5 Simeulue Barat, the samples in this study were two classes selected using a nonprobability sampling technique of purposive sampling type, namely class 11 IPA-1 as an experimental class using the Auditory Intellectually Repetition model and class 11 IPA-2 as a control class using a scientific approach. The data processing technique uses SPSS version 25 with the results of the study showing that: the value of Sig (p-value) > 0.05), it is accepted that it is 0.629 in the experimental class and 0.273 in the control class so that the data has a normal distribution. The t-test analysis of students' mathematical critical thinking skills was obtained 0.001 < 0.05, then Ho was rejected and Ha was accepted. This means that the mathematical critical thinking ability of students who are taught with the Auditory Intellectually Repetition learning model is better than the mathematical critical thinking skills of students who are taught with a scientific learning approach.

Representasi verbal siswa sekolah menengah pertama dalam mengkomunikasikan faktor prima

The purpose of this study was to describe students' communication in solving prime factors using written and oral communication. This study uses a qualitative and descriptive approach. The subjects of this study were 46 seventh grade students of Simanjaya Lamongan, East Java, Indonesia, Middle School who had obtained prime factor material. Data analysis was obtained by using a test of prime factors and interviews. Based on the results of data analysis, it was concluded that: 1) Written communication, as many as 40 students were able to communicate in writing with a percentage of 87% and 6 students were unable to communicate in writing with a percentage of 13%; 2) Oral communication, at this stage interviews were conducted by taking the subject as many as two students taken from one student who is able to communicate in writing and one student who is not able to communicate in writing, the results obtained that students are able to communicate in writing are also able to communicate verbally. verbally, while students who are not able to communicate in writing, it turns out that students are able to communicate orally. From the explanation above, it can be concluded that students are able to explain concepts into mathematical language, students are able to explain mathematical arithmetic operations, students are able to explain mathematical solutions and students are able to convey ideas or opinions. Thus, students can communicate in writing and orally well in solving prime factors.

Using 6 questions cognitive method and polya’s model to helps students solve mathematical problem

The ability to solve the mathematical equation problem is very important for the thinking development of middle school students. “How to solve it” of George Polya is famous in the world. 6 questions cognitive model proposed by Professor Zhou are monitored through metacognition, and the 6 questions are coherent, complete and sequential. This paper found that the 6 questions cognitive model can help implement “How to solve it” of George Polya and reduce students' cognitive load. At the same time, this study found that 6 questions cognitive model can help students solve the mathematical equation problem better.