Hasil Evaluasi Kelompok Kecil Bahan Ajar Mata Kuliah Statistika Matematika Berbasis Pemecahan Masalah Serta Bernuansa Islami

Tadris Mathematics is one of the study programs at UIN IB Padang with the vision "To produce character, professional and competitive mathematics education graduates in 2037". In order for this vision to be realized, of course there must be interesting interactions between lecturers and students in lectures. Meanwhile, the reality that occurs in lectures, there are still many students who are passive and result in many student scores that have not passed after taking the exam. One of the ways that a lecturer can do to overcome this problem is by developing Mathematical Statistics teaching materials based on problem solving and Islamic nuances. The formulation of the problem in this research is how the process and results of the development of Mathematics Statistics Subject Teaching Materials Based on Problem Solving and Practical Islamic Nuances in small group evaluations. This research is a development research with the Plomp development model using Tesmer's formative evaluation. Data collection techniques using practicality questionnaires from the teaching materials developed. From the results of the study, it was obtained a value of 79% with practical criteria that had been developed through a small group trial process.

PENGARUH PENDEKATAN OPEN-ENDED TERHADAP KEMAMPUAN BERPIKIR KREATIF MATEMATIS BERDASARKAN RESILIENSI MATEMATIS SISWA MTS MUHAMMADIYAH 02 PEKANBARU

The ability to think creatively is needed by students in mathematics learning activities, because creativity raises ideas in solving mathematical problems, so that the expected learning objectives are achieved. In addition, the mathematical resilience factor is needed to make students more persistent, never give up, enjoy being challenged, so that students' perspective on mathematics is not something to be afraid of anymore. This study aims to determine the effect of an open-ended approach on the mathematical creative thinking ability based on the mathematical resilience of Madrasah Tsanawiyah (MTs). This type of research is an experimental design that uses a factorial design. The selected population has been subjected to a one-way ANOVA test with the results having an average similarity, so that the sample was taken using the Cluster Random technique with randomly selected samples, namely class VIII-1 which was selected as the experimental class and class VIII-2 was selected as the control class. The results showed: 1) there were differences in mathematical creative thinking skills between students learning with open-ended learning and students learning using conventional learning; 2) there are differences in mathematical creative thinking abilities between students who have high, medium and low mathematical resilience; 3) while for interaction there is no interaction between the open-ended learning approach and students' mathematical resilience to mathematical creative thinking abilities. So the results of this study can be used to improve mathematics learning in class.

ANALISIS PENJUALAN DAN PERSAINGAN AIR MINERAL KEMASAN BOTOL SELAMA PANDEMI COVID-19 DI KOTA MEDAN MENGGUNAKAN RANTAI MARKOV ORDE DUA

Markov chain is a method used to identify variables in the present, which is based on past variables in order to obtain an estimate of the probability of these variables in the future. The CoVid-19 virus outbreak has also had a negative impact on economic problems, because this pandemic resulted in a decrease in sales of mineral water. in bottles that experienced a decline in sales results during the COVID-19 pandemic. The formulation of the problem of how companies compete during Covid-19 which continues to experience a decline in sales? . Based on the results of this study, there is a large chance of a second order transition, namely AQUA products in September, which is 61%, an increase of 0.39% from October, in October it was 61.39, a decline of 0.02% so that in November it was 61.37% while Le Mineral products in September were 39%, decreased 0.39% from October, October was 38.61%, experienced a fix in November so November was 38.61%.

KETERAMPILAN KOMUNIKASI MATEMATIS SISWA PADA MATERI BANGUN RUANG SISI DATAR DITINJAU DARI SELF EFFICACY

Mathematical communication skills are one of the competencies that students must have in the 21st century. This study aims to anylize and describe students’ mathematical communication skills in terms of self efficacy on the polyhedrons material. The research used descriptive qualitative methods. The subjects were 9 grade students of An nashichah private junior high school selected purposively. Data was collected through online test, questionnaires and interviews using WhatsApp. The data analyzed through 3 stages, namely data reduction, data presentation and conclusions. The results showed that the students’ mathematical communication skills were low. When viewed from students’ self efficacy, high self efficacy students have high mathematical communication. Meanwhile, low and moderate self efficacy students have low mathematical communication skills. The use of Whatsapp media is not able to support students mathematical communication skill and self efficacy. The tachers need to design learning media to help students improve their mathematical communication skills and self efiicacy.

IMPLEMENTASI KARAGUL-SAHIN APPROXIMATION METHOD UNTUK MEMINIMALISASI BIAYA PENDISTRIBUSIAN AIR PADA MASALAH TRANSPORTASI

Transportation problems such as transportation activities and allocation to reach consumers is one of the factors that determine the level of satisfaction. To find the level of customer satisfaction, it requires an appropriate and efficient transportation model. One of which is in the Air Minum Mata Air Sikumbang business owned by Mr. Zulfikar, located in Rumbio, Kampar. Based on the results of the study the cost of distributing drinking water is still not efficient because it still uses estimation and there is no separate technique used to allocate water distribution. The solution made in this study using the Karagul-Sahin Approximation Method for the initial basic feasible solution and Stepping Stone for the optimal solution value so as to obtain the distribution of water at a minimum cost. Based on research using the method of Karagul-Sahin Approximation and Stepping Stone, a weekly cost savings of Rp.469.515,00 is obtained.

PENGEMBANGAN MEDIA BELAJAR BARET ARGEO BERBASIS ROLE PLAYING GAME TERHADAP MINAT BELAJAR SISWA

This research aims to establish a valid, practical, and effective media in the form of a game called Baret Argeo for students interest in learning at Senior High School 6 of Purworejo during online learning. This research is a development study that employs the ADDIE method (analysis, design, development, implementation, evaluation).A required analysis is carried out according to pandemic conditions during the analysis stage. The Baret Argeo design and components were produced during the design stage. Validation was carried out by content experts with a value of 3.93 (valid) and media experts with a value of 4.46 at the production level (very valid).which was then put to the test on 18 students in a practicality test with a score of 4.03 (very practical). Then the implementation of the 18 students used the Argeo Beret which was compared with the other 18 students who used the Student Worksheet (LKS) using the t test comparative analysis. The result is with 4.4881> 2.0322 then is rejected or it can be said that students' interest in learning using Beret Argeo is better than students using LKS. At the evaluation stage, the Argeo Beret is reserved to be used in a wider range of mathematics learning. This research has implications for students' interest in learning in the middle of distance learning.

KLASIFIKASI TINGKAT KEPARAHAN KEMISKINAN PROVINSI DI INDONESIA DENGAN ANALISIS DISKRIMINAN

Poverty is one of the main problems of the government that is prioritized in developing the development strategy of every country including Indonesia. The poverty rate in Indonesia is still relatively high, so the government focuses on decreasing the existing poverty level by improving the welfare of the population. Therefore, it is very important for the government to know the severity of poverty in Indonesia so that it can take a policy to reduce the existing poverty level. The purpose of the research was to group the severity of provincial poverty in Indonesia with a Discriminant Analysis. The stages of discriminant analysis include testing of normal multivariate distribution, testing of homogeneity of covariance variants, discriminant analysis by stepwise method, then continued calculation of classification accuracy value. The results of this research show that the large classification rate obtained is only 67.7% which means that not all provinces are able to be classified appropriately based on the variable open unemployment rate (TPT).

Pengaruh Model Pembelajaran Probing-Prompting Berbasis Etnomatematika Terhadap Prestasi Belajar Matematika Siswa

One of the reasons for the low student achievement in mathematics is that the mathematics learning process carried out by the teacher tends to be theoretical and less contextual. Mathematics learning needs to be linked to student culture so that there is no gap between mathematics in everyday life and at school. Thus, it is necessary to apply a mathematics learning model based on ethno-mathematics. This study aims to determine the effect of the ethnomatematic based probing-prompting learning model on students' mathematics learning achievement. This type of research is quantitative research with pre-experimental methods and one-group pretest-posttest design. The sample of this research is class VIII A SMPK St. Yoseph Naikoten Kupang, totaling 24 people. The pretest and posttest values as research data were analyzed using the SPSS version 22 program. Based on the results of data analysis, thitung (39,594)> ttabel (2,069) with an error rate of 0.05, which means accept Ha or the ethnomatematic based probing-prompting learning model has an influence which is significant towards the mathematics learning achievement of students class VIII SMPK St. Yoseph Naikoten Kupang.

ANALISIS KEMAMPUAN CALON GURU MATEMATIKA DALAM MEMBUAT SOAL PEMECAHAN MASALAH MATEMATIKA

Problem solving is the main focus in learning mathematics at the primary and secondary school level. Prospective teachers must be prepared as well as possible as problem solvers and problem solving instructors. The purpose of this study was to describe the prospective teacher's ability to make a problem solving question based on category of good mathematical problem solving questions. The type of research used is descriptive qualitative.The research subjects were students of semester VI of the 2019/2020 academic year of the IAIN Takengon Mathematics Education Study Program. Based on the research results, it shows that the subjects in general already understood the theory of problem solving , but this understanding did not always directly proportional to the ability to make a mathematical problem solving question.

Pengaruh Permainan Konstruktif dan Kecerdasan Visual- Spasial Terhadap Kemampuan Matematika Awal Anak Usia Dini

The purpose of this study was to determine the effect of constructive play and visual-spatial intelligence on early mathematical abilities. The approach used is quantitative through an experimental method with 2x2 treatment by level design. This research was conducted on children in kindergarten group B in the city of Padang. The sampling technique uses Stratified cluster random sampling. The number of samples in this study were 40 children. Data collection in this study used an initial mathematical ability test and a spatial visual intelligence test. The data analysis technique in this study used two-way ANOVA to see the main effects and interactions, then using the Tukey test to see simple effects. The results of this study are as follows: 1) Early mathematical abilities provided with constructive games Lego have a higher influence than constructive games Beams (Fhitung= 5,16 > Ftabe (α=0,05)= 4,04). 2) There is an interaction between constructive play and spatial visual intelligence, in general it has a significant effect on the early math skills of kindergarten children in group B (Fhitung = 13,34 > Ftabel (α=0,05) = 4,04). 3) Early mathematical abilities that have high spatial visual intelligence with given constructive games Lego are higher than the initial mathematical abilities with constructive games (Qhitung = 4,24 > Qtabel (α=0,05) = 3,15). 4) Early mathematical abilities that have low spatial visual intelligence with given constructive games Beams have a higher value than the initial mathematical abilities given by constructive games Lego (Qhitung = -2,30 > Qtabel (α=0,05) = -3,15).