Jurnal Daya Matematis
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Published By Universitas Negeri Makassar

2541-4232, 2354-7146

2021 ◽  
Vol 9 (3) ◽  
pp. 219
Author(s):  
Musdalifa Ibrahim

This study aims to determine whether or not there is an effect of using the blended learning strategy in Math online learning via WhatsApp and zoom. This research method uses a qualitative descriptive method. The data in this study were collected through observation, interviews, and documentation. The results obtained indicate that online learning using the WhatsApp and zoom application with the blended learning strategy during the Covid-19 pandemic can provide more enjoyable learning so as to increase student enthusiasm and activity. The conclusion obtained from this study is that the use of the blended learning strategy affects online math learning via WhatsApp and zoom can be an alternative in online biology learning via Whatsapp in conditions that do not allow face-to-face learning


2021 ◽  
Vol 9 (3) ◽  
pp. 226
Author(s):  
Sonya Liani Nasution ◽  
Siti Salamah Br Ginting

This study aims to examine the cultural links in a local area with mathematical concepts or commonly known as ethnomathematics. This ethnomathematical research raises the topic of discussion about a "Nasi Face-to-face" procession at weddings in the traditional Malay culture of Batubara, North Sumatra. This research will explore what mathematical aspects are contained in a regional culture of the Batubara Malay tribe, especially the “Nasi Face-to-face” procession. Descriptive qualitative research method with ethnographic approach is used in this study. The results showed that in the procession of "Nasi Facing-front" found various mathematical concepts related, namely sets, functions, geometry of flat shapes, and geometry of geometric shapes. With this research, it is hoped that it can be used as a unique medium for learning mathematics as well as getting to know the local culture that is applied in learning mathematics in schools.


2021 ◽  
Vol 9 (3) ◽  
pp. 200
Author(s):  
Aulia Rahman Hasibuan ◽  
Siti Salamah Br Ginting

The purpose of this research is to explore a relationship between applied mathematics and a culture called ethnomathematics. The culture that will be used as the research topic is the performance culture of the Offering Dance (Makan Sirih) from the Deli Malay ethnic group in North Sumatra. This study is a research that uses descriptive qualitative research methods using an ethnographic approach that analyzes and describes a local culture based on facts obtained in the field. From the results of this research, it is revealed that, in the performance of the Offering Dance (Makan Sirih) in the Malay ethnic Deli of North Sumatra, there are various applications of mathematical concepts such as the concept of sets, counting, functions, and flat shapes. This can lead to new breakthroughs that underlie the formation of new mathematics learning designs for educational institutions. Along with this, this research also aims to improve the public's view of mathematics, that mathematics is a science that also has connections with all forms of activities in daily life.


2021 ◽  
Vol 9 (3) ◽  
pp. 186
Author(s):  
Uswatun Hasanah ◽  
Maimunah Maimunah ◽  
Yenita Roza

The purpose of this study was to analyze the ability to understand mathematical concepts of junior high school students during online learning on set material. This type of research uses descriptive qualitative. The subjects of this study were grade VII students with a total of 10 students at SMP Negeri 1 Inuman, Kuantan Singingi Regency in the 2021/2022 academic year. The subject selection technique used is purposive sampling technique because the sample cannot be chosen randomly. The data collection technique used in this study was a written test. The questions given are in the form of 5 description test questions that have been prepared based on indicators of mathematical concept ability. The results obtained from this analysis are the ability to understand students' mathematical concepts when online learning is obtained that the ability of students in the high category is 1 student or 10% of the total number of students tested, categorized as sufficient there are 5 students or 50% of all students tested, and in the low category there are 4 students or 40% of the total students tested.


2021 ◽  
Vol 9 (3) ◽  
pp. 164
Author(s):  
Asmaul Husnah Amri ◽  
Suryanti Suryanti

This research is a qualitative research that aims to determine the profile of creativity in solving mathematical problems in terms of self-efficacy and gender in class X SMKN 4 Bone. The subjects in this study were X students of SMKN 4 Bone Pinrang which consisted of 4 subjects namely one male with high self-efficacy, one female with high self-efficacy, one male with low self-efficacy and one female with high self-efficacy. - low efficacy. The instrument used is the researcher himself as the main instrument assisted by self-efficacy tests, math problem solving tests and interviews designed to suit creativity. Data was collected by means of task analysis and interviews. The collected data were analyzed using qualitative content analysis techniques. The results of the study show that: 1) the profile of creativity in solving math problems of high self-efficacy male students are: a) at the stage of formulating problems, high self-efficacy male students are able to interpret the problem by illustrating what is known in the form of pictures according to their understanding through writing. b) at the stage of planning problem solving, high self-efficacy male students are able to plan appropriate ideas or methods that will be used to answer the given problem, c) at the stage of generating problems, self-efficacy male students students with high self-efficacy are able to do calculations through ideas or previously planned methods. 2) the profile of creativity in solving mathematical problems of female students with high self-efficacy are: a) at the stage of formulating problems, female students with high self-efficacy are able to collect and organize information to understand problems according to their understanding through writing, b) at the stage of planning problem solving, female students with high self-efficacy are able to plan ideas or appropriate methods that will be used to answer problems, c) at the stage of producing, female students with high self-efficacy are able to answer problems through ideas that are planned as before. 3) the profile of creativity in solving mathematical problems of male students with low self-efficacy are: a) at the stage of formulating problems, male students with low self-efficacy are able to collect and organize information to understand the problem, b) at the planning stage, students boys with low self-efficacy are able to plan ideas, c) at the stage of generating, male students with low self-efficacy are able to do the correct calculations through formulas or previously planned methods. 4) the profile of creativity in problem solving in female students with low self-efficacy: a) at the stage of formulating, women with low self-efficacy do not understand the problem as a whole because they only quote the information written in the questions, b) at the planning stage, women with low self-efficacy has not been able to plan the right ideas or methods that will be used to answer the given problems, c) at the generating stage, women with low self-efficacy are not able to do calculations correctly through ideas or methods. pre-planned way.


2021 ◽  
Vol 9 (3) ◽  
pp. 190
Author(s):  
Zharifatul Aqilah ◽  
Yenita Roza ◽  
Maimunah Maimunah

This study aims to determine whether there is an effect of student learning motivation on mathematical communication skills. The respondents in this study were 32 students from MTs Negeri Karimun, Kepulauan Riau. A test of mathematical communication abilities and a student learning motivation questionnaire were used. A quantitative descriptive study was used as the research method in this study. Simple linear regression analysis was utilized to analyze the data, with student learning motivation as the independent variable and mathematical communication abilities as the dependent variable. The results of the analysis demonstrate that student learning motivation has an effect on mathematical communication skills, with a=5%.


2021 ◽  
Vol 9 (3) ◽  
pp. 194
Author(s):  
Irfan Agus Setiawan ◽  
Benny Hendriana

This study is a descriptive qualified study conducted on class VII students at MTsN 1 Pandeglang who are conducting online learning with the aim of knowing the factors that cause math learning difficulties in students. Data collection techniques use questionnaire sheets, interviews, and documentation. The sample in this study was 30 students of class VII. Results from research show that students have difficulty learning mathematics. The results of the analysis found five factors that affect student learning difficulties, namely teacher influence 36.67%, family to children's learning 48.89%, student interest when learning mathematics 34.4%, student concentration when learning mathematics 43.4%, students' confidence when studying mathematics 45.56%. So in conclusion, the cause of the problem of learning mathematics based online in class VII in MTsN 1 Pandeglang is external factors and internal factors. External factors include inattention from parents and inappropriate teacher methods when teaching and learning. Internal factors include lack of interest in learning, weak concentration of students, and lack of self-confidence.


2021 ◽  
Vol 9 (3) ◽  
pp. 178
Author(s):  
Laela Nur Rokhmawati ◽  
Nani Ratnaningsih

This study analyzes the difficulties of students in the distance material in space based on the dimensions of Anderson's knowledge in class XII.IPA SMA Negeri 2 Banjar in the academic year 2021/2022. The purpose of this study was to determine the difficulties of students in the distance material in space based on the dimensions of Anderson's knowledge. The background of the research is that learning on distance material in class XII.IPA SMA Negeri 2 Banjar has not achieved the learning objectives. Students have difficulty understanding the material. The research subjects were 9 students from class XII.IPA SMA Negeri 2 Banjar for the academic year 2021/2022. Subject selection was based on a purposive sampling technique selected based on different academic abilities (high, medium, and low) and able to communicate verbally well. The method used in this research is descriptive qualitative with written test and interview techniques. The result of this research is that there are difficulties in each group of students who have different academic abilities.


2021 ◽  
Vol 9 (3) ◽  
pp. 171
Author(s):  
Alfiah Nurfadhilah AM. Hindi ◽  
Isma Muthahharah

Difficulties in learning mathematics can be experienced by students with any level of ability from any circle or group. With the students' learning difficulties in mathematics, the question arises why this can happen and as educators, what is the teacher's perception of learning difficulties in mathematics. The purpose of this study was to describe Teacher's Perception of Students' Mathematics Learning Difficulties. This research used a descriptive qualitative approach with non-test data collection techniques through questionnaires and interviews. The results showed that: (i) the mathematics teacher's perception of the dominant causes of learning difficulties revealed psychological causes, including low interest or motivation and understanding of basic concepts as the cause of students' mathematics learning difficulties; (ii) the mathematics teacher's perception of the symptoms that are indicators of learning difficulties in mathematics, the most widely disclosed is the low ability of students to complete the tasks given by the teacher; (iii) the teacher's perception of the method used to investigate the existence of difficulties in learning mathematics, the most commonly done is through observation, interviews and documentation by looking at the results of tests or assignments of each student; (iv) the teacher's perception of examples of difficulties experienced by students in learning mathematics, which is widely revealed in the competency standard for understanding the properties of arithmetic operations and their use in problem solving being taught; and (v) teachers' perceptions of the efforts made to overcome students' mathematics learning difficulties vary according to their respective experiences. There are only a few teachers who do group guidance and individual guidance.


2021 ◽  
Vol 9 (3) ◽  
pp. 210
Author(s):  
Bambang Suharjo

Operations Research is a scientific discipline that can be used to help make decisions in all fields. In the military field, the application of operations research is very much so that every officer must be able to apply it in carrying out his duties. Indonesian Navy officers received education about operations research, especially the analytic hierarchy process when they attended the Staff and Command College. A total of 20 student officers were examined to find out the difficulties they faced in solving problem solving for the analytic hierarchy process material through written answers to questions and in-depth interviews using Polya's problem-solving steps. The results obtained are that all officers did not experience problems at the time of problem identification. However, almost half of them experienced problems when planning solutions, carrying out calculations and conducting reviews. The recommendation submitted is to use a software application so that the calculations are correct and fast.


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