NUMERICAL (Jurnal Matematika dan Pendidikan Matematika)

Journal Information
ISSN / EISSN : 25803573 / 25802437
Total articles ≅ 24
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DOAJ
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SHERPA/ROMEO
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Latest articles in this journal

Nuraini Nadhifa, Maimunah Maimunah, Yenita Roza
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 63-76; doi:10.25217/numerical.v3i1.477

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Ria Anggraeni Syafnuri, Netriwati Netriwati, Dona Dinda Pratiwi
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 43-62; doi:10.25217/numerical.v3i1.417

Abstract:
This article aimed to find out the development of teaching materials in the form of modules by using Knisley's mathematical learning model on the subject of decent, interesting, and effective linear transformation used in lectures in Linear Algebra. The test subjects in this study were third semester students of Raden Intan Lampung State Islamic University. This research method is Research and Development (R & D) that uses the ADDIE Model (Analysis, Design, Development, Implementation, and Evaluation). The results of the expert assessment are feasible to use with an average score of 3.00 from material experts and 3.08 from media experts. The response of students in small group trials is interesting with an average score of 2.92, whereas in the trial of a large group the criteria are very interesting with an average score of 3.27. The results of the n-gain calculation at the pretest and posttest are 0.70 included in the high effectiveness category. Therefore, it can be concluded that the linear transformation module using Knisley's mathematics learning model is categorized as feasible, interesting, and effective to be used in Linear Algebra lectures
Erik Rinaldi, Ekasatya Aldila Afriansyah
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 9-18; doi:10.25217/numerical.v3i1.326

Abstract:
This article is based on the fact that problem-solving is a basic skill that every student should possess. To improve the student`s mindset through the effort to find problem-solving independently, so the learning activities should be centered on the students. The purpose of this study is to determine the comparison and improvement of students mathematical problem-solving abilities, as well as student attitudes toward the learning model problem-centered learning and problem-based learning. The research method used was a quasi-experiment with purposive sampling. The first experimental class that was class VIII I that got problem-centered learning model as much as 31 students, and the second experimental class that was class VIII H who got the problem-based learning model as many as 31 students. From the research and statistical calculations result, obtained the conclusion that the mathematical problem-solving ability students who got the model centered learning problem was better than students who got the model of learning problem-based learning. Meanwhile, for improvement of problem-solving abilities of mathematical students who got the learning model problem-centered learning and problem based learning each intermediate interpretation. And generally, the students’ attitude to the learning of mathematics by using the learning model problem-centered learning and problem-based learning are well interpreted.
Hanifah Hanifah, Nanang Supriadi, Rany Widyastuti
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 31-42; doi:10.25217/numerical.v3i1.453

Abstract:
Mathematical problem solving is a problem solving that uses mathematical problem solving. Students in the problem solving did not use the polya method so that students succeeded in difficulties. Educators still use conventional learning models so that students become bored, passive and reluctant to ask whether going forward working on the questions given by the educator, so that new learning models need to be applied. The e-learning learning model assisted with Edmodo learning media is an online presentation material on an Edmodo account using the mobile phone of students. PAM is the knowledge learned by students before getting learning material. This study aims to study the interaction of e-learning learning models assisted by Edmodo learning media to solve mathematical problems. This study is quantitative research. Data collection used with tests, interviews, collection and collection. The data analysis technique uses two-way anava test with cells that are not the same. From the results of the analysis, the influence of the e-learning learning model on mathematical problem solving abilities. It is necessary to question the high, medium, and low mathematical initial knowledge of Great mathematical problem solving ability, then there is no difference between assisted e-learning learning models edmodo, mathematical initial knowledge of mathematical problem solving abilities.
Septi Dariyatul Aini, Sri Irawati
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 19-30; doi:10.25217/numerical.v3i1.421

Abstract:
This research aims to determine the increase in student learning activities and outcomes after being taught by using the quick on the draw learning strategy in the interpolation material. This type of research is classroom action research with a qualitative approach. This research was conducted at Madura University and those who were the subjects of the study were fourth semester students of 2017/2018 academic year mathematics education. Data collection techniques used are observation and test methods. From the data analysis it can be concluded that: (1) student activity has increased from 3.20 (good category) in the first cycle to 3.76 (excellent category) in the second cycle, (2) student learning outcomes have increased from 42.86 in the first cycle then increased to 85.71% in the second cycle. From the results of this study it can be concluded that the application of quick on the draw learning strategies can improve student learning activities and outcomes in interpolation material.
Ahmad Dzulfikar
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 1-8; doi:10.25217/numerical.v3i1.452

Abstract:
Student`s self-efficacy in learning mathematics and its resources, such as student`s positive emotional conditions, have been impactful to create a pleasant mathematical learning and the reduction of student`s mathematics anxiety. This study investigated the differences between student`s mathematics anxiety before and after the implementation of mathematics teaching materials based on self-efficacy in statistical learning in mathematics classroom. This study was an experimental study with One Group Pretest-posttest Design. The population of the study was all eight grade students in one of the junior high schools in Pekalongan in the 2017/2018 academic year. The sample of the study involved 28 students taken by cluster sampling technique. After analyzing the data, this study found that mathematics teaching materials based on self-efficacy effectively helped reduce student`s mathematics anxiety, either when they learn in math class or when they face math tests, or both. Even so, the level of student`s anxiety when they face the math test was at a moderate level, both before and after the treatment, i.e. the implementation of mathematics teaching materials based on self-efficacy in the learning. Therefore, further research about the effect of this teaching materials on student`s mathematics anxiety when facing tests is still needed
Ni Komang Vonie Dwianjani, I Made Candiasa
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 153-166; doi:10.25217/numerical.v2i2.276

Abstract:
This research aimed for 1) analyzing the factors which contributed the ability to solve mathematical problems and (2) identifying the domination of the aforementioned factors. This research was conducted to grade 8 in all state junior high schools in the city of Singaraja, academic year of 2017/2018 with 377 participating students which were taken with stratified cluster random sampling technique. This research method was an quantitative ex-post facto research. The data of this research were taken using story math problem about SPLDV, Pythagoras, Lingkaran and were analyzed with factor analysis. The research has found that the factors which contributed the ability to solve mathematical problem are identify problem (identify), define goal (define), explore possible strategies (explore), act on strategies (act) and look back (look). These five factors could be categorized into two components, namely: analytical ability component which consists of identify problem and define goal , and systematical ability component which consists of explore possible strategies, act on strategies and look back. Furthermore, it was also found that the factors which dominated the ability to solve mathematical problem was executing the act on strategies and followed by explore possible strategies, identify problem, define goal, and look back.
R Lestary, Subanji Subanji, Rustanto Rahardi
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 167-174; doi:10.25217/numerical.v2i2.329

Abstract:
This study aims to describe the internal cognitive conflicts that occur to students when they were solving mathematics problems. There were two participants in this research. They were 7th grade students from SMPN 1 Malang. The first participant was a student who has experienced internal cognitive conflicts and has capability to resolve it as well as the mathematics problems. Meanwhile, the second participant was a student who has experienced internal cognitive conflict but cannot resolve that conflict and also the mathematics problems. This research was used descriptive qualitative. The data of this study was gathered from students’ test on cognitive conflict and interview which was adapted from Newman's interview procedure. It was found that, the students who are able to find a relationship between the ratio of the number of workers and the number of chairs produced in a day, have capability to resolve their cognitive conflicts so that it brings them to the right problem solving. Meanwhile, the students that fail to build a relationship between the comparison concepts with mathematics problems and fail to find the relation between the numbers of people with the number of chairs in one day can not resolve the cognitive conflict so that they solve the problems in the wrong ways.
Doni Sabroni, Budi Koestoro, Asmiati Asmiati
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 139-144; doi:10.25217/numerical.v2i2.315

Abstract:
This research has a purpose to know whether there is influence of the use of learning model Example Non Example assisted Poster Comment to the comprehension ability of mathematical concept. This research type is keyexperimental design, this research population is all students of class VII Madrasah Tsanawiyah (MTs) Al-Hidayah Srikuncoro academic year 2016/2017. In this research, the data analysis used is by using variance analysis (anova) one cell road is not same. The result of this research is that there is influence of learning model of Example Non Example with Poster Comment with the ability of understanding mathematical concepts, which the application of learning model Example Non Example with Poster Comment gives better concept of mathematics concept compared with the application of conventional model supported by Poster Comment and also the application of learning model Example Non Example with Poster Comment provides better mathematical concept capability compared to conventional learning model, and conventional teaching model application provides mathematical concept capability similar to conventional modeled learning application with poster comment.
Resty Khairina Vevi Martyas Pratami, Dona Dinda Pratiwi, Mohammad Muhassin
NUMERICAL: Jurnal Matematika dan Pendidikan Matematika pp 125-138; doi:10.25217/numerical.v2i2.293

Abstract:
This research was conducted to determine the appropriateness of learning media and to know the response of the learners to the mathematics learning media assisted by Adobe Flash through ethnomathematics on Lampung Traditional House for eight grade of junior high school on polyhedron subject. This research type was research and development (R&D). The research and development steps were based on the Bord and Gall model. The instrument of data collecting was questionnaire with Likert scale. The data analysis technique used in this research was quantitative descriptive data analysis. The result of the research of mathematics learning media assisted by Adobe Flash through Ethnomathematics at Lampung Traditional House obtained the average value of material experts 3.62, media experts 3.47, linguists 3.67, and cultural experts 3.50 with "Valid" criterion and worth to use. The students’ response to learning media in small group trials obtained the "interesting" criterion with an average score 3.24 and in large group trials obtained a "very interesting" criterion with an average score 3.47. The teacher's response to learning media earned the "excellent" criterion with an average score 3.45.
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