ESTIMASI KURVA REGRESI SPLINE PADA DATA LONGITUDINAL DENGAN METODE KUADRAT TERKECIL

This article examines the estimation of spline regression, especially its use in longitudinal data. Longitudinal data is data obtained based on observations made as many as n objects that are independent with each object being repeatedly observed in different time periods and between observations in the same object are dependent besides longitudinal data is data that can distinguish the diversity of responses caused by The regression curve of the spline was estimated using the least squares. It can be seen that the estimation of the spline regression curve for longitudinal data is a class of linear estimation in response observations and is highly dependent on the knots point k1,k2,...,Kn

PENERAPAN SIMBOL OPERASI MATEMATIKA SEDERHANA SEBAGAI DASAR MENGHILANGKAN ESSENSI BUNGA BANK DALAM PERSPEKTIF ISLAM

According to Islam, bank interest on credit activities is included in the category of "usury" which is forbidden for Islam. The problem of bank credit activities is a very important need for people in doing business. The purpose of this paper is to try to use simple mathematical symbols to try to eliminate the essence of usury. Changing the essence of "usury" with the concept of cooperation and using a simple symbol "=" can eliminate the essence of usury, of course everything must be based on good intentions and honesty

PENGGUNAAN BALOK CUISENIARE UNTUK MEDIA PENGENALAN BILANGAN BAGI ANAK USIA DINI

Learning activities carried out in RA Al-Istiqomah still have children who have difficulty to say or list the numbers 1 to 10, children have difficulty in pointing with objects, children have difficulty making sequences of numbers 1 to 10 using objects, children have difficulty showing symbols numbers 1 to 10, children have difficulty in recognizing many objects slightly the same and not the same thing. Children have difficulty showing 2 sets of objects that are equal in number, which are not the same, more and less. Teaching numerals to children requires interesting media for children, the success of early childhood learning is influenced by the media used, one of the stimulations that need to be done to stimulate children's ability to say is to introduce numbers to early childhood. To introduce numbers in early childhood to feel happy and interested, it is necessary to apply the right media, one of which is playing the Cuisenaire beam. The purpose of this study was to describe about 1) Knowing the learning of Cuisenaire beam game tools in spelling on RA Al-Istiqomah group A. 2) Knowing the ability to say at RA Al-Istiqomah group A after being given the actions of the Cuisenaire beam game tool. The method used in this study is classroom action research conducted through two cycles. From the results of evaluations, reflections, and improvements made at the end of the cycle, a description of the use of the Cuisenaire beam props that can improve the ability to say group A follows the steps as follows: a) The teacher prepares the Cuisenauire beam. b) The teacher invites children to play cuiseniare beams with the learning activities that have been determined. c) The teacher guides the child to make two groups, each group consisting of 3 to 4 children. d) The teacher starts the Cuisenaire beam relay game.

PENGEMBANGAN MODUL BERBASIS PENEMUAN TERBIMBING PADA MATA KULIAH GEOMETRI TRANSFORMASI

Based on the results of observations, the learning process still uses conventional methods and the textbooks used in the lecture process have not been able to lead to finding a concept. The aim of the study was to design a guided discovery-based module in the transformation geometry course at STKIP PGRI West Sumatra. This type of research is development research using the Plomp model which consists of 3 phases, namely preliminary research, prototyping phase, and assessment phase (Plomp, 2013: 19). The preliminary research stage consists of interviews with students and teachers, syllabus analysis, and textbook analysis. The prototyping phase is designing systematics and module structures, developing prototypes, and expert reviews. The results obtained at the preliminary research stage were based on interviews with lecturers and students who did not understand the basic concepts of geometry and were less able to prove the proposition. In the analysis of the syllabus and literature that was carried out was that the material taught was in accordance with the syllabus. The results of the module validity from the experts show that the guided discovery-based module is quite valid in the category.

EFEKTIFITAS PEMBELAJARAN ONLINE SELAMA PANDEMI COVID-19, METODE DAN EVALUASI

Learning during the pandemic is carried out online (in a network) by paying attention to the situation and conditions when the Covid-19 outbreak hit the whole world. Online learning began in 2020 to be precise in March so that up to this research it had been exactly one year. However, in its implementation, there are many discrepancies, this is indicated by several problems that occur in the field. From the research results, it was found that the online learning models that were widely used were WAG (Whatsapp Group), Google For Education (Google Form, Google Classroom, Google Drive), Youtube, Zoom Meeting. The obstacles experienced were unstable communication signals, exhausted internet quota, parents' cellphones brought to work, students accompanied by their parents working on assignments at night. Meanwhile, the advantages of online learning are flexible, complete reference sources, and adaptive to technology. Of the student activity level, only 50% are fully active in online learning, 32% are active and the remaining 28% are inactive

PEMANFAATAN ANALISA MATEMATIS DALAM PENYELESAIAN PERMASALAHAN FIKIH

This article intends to clarify the role of mathematics in the study of fiqh. Apart from inheritance, the study of astronomy is in direct contact with the improvement of fiqh worship, especially the prayers and fasting of Ramadan. However, its role is a supporter that must be strengthened by the main fiqh sources. This is evident in the process of determining the initial time of the five daily prayers. Through literature explanations relating to the coordinate system of celestial bodies, a celestial spherical triangle can be formulated in sin, cos and tangent which can be converted into measurements of praying time on earth. So it is not wrong if falak also knows the science of Hisab

TAHAP DEFINISI DALAM FOUR-D MODEL PADA PENELITIAN RESEARCH & DEVELOPMENT (R&D) ALAT PERAGA EDUKASI ULAR TANGGA UNTUK MENINGKATKAN PENGETAHUAN SAINS DAN MATEMATIKA ANAK USIA 5-6 TAHUN

Educational play tools (APE) have become a necessity during AUD learning because they are full of educational materials that can be adapted to their growth. This development research aims to produce a product in the form of a ladder snake APE in improving the cognitive abilities of children aged 5-6 years in the fields of science and mathematics at RA Mafatihul Ulum, Serang City, Banten Province. This type of research involves using a number of methods and types of research and going through various stages of research sessions, so each session is carried out to achieve its respective objectives. The Four-D Model development model suggested by Sivasailam This model consists of 4 development stages, namely; Define (defining), Design (Design), Develop (development) and Disseminate (deployment). The definition stage offered in the 4D model consists of several stages of analysis, namely curriculum analysis, needs analysis, student analysis, concept analysis, task analysis and formulation of learning objectives

PENGARUH PENGGUNAAN MULTIMEDIA INTERAKTIF TERHADAP PEMAHAMAN KONSEP DALAM PEMBELAJARAN MATEMATIKA DI MTs DARUL ULUM MUHAMMADIYAH GALUR

At the time of the Covid-19 pandemic, all learning was carried out online or online learning, while schools and students had to follow the existing curriculum in their schools, which of course not all of their lessons were happy. Mathematics is one of the subjects that is always a scourge for students, regardless of those who enjoy mathematics. The reasons vary, some say the lessons are difficult to understand, students are not interested in learning mathematics, the teachers are boring, and so on. So that many parents of students who provide additional tutoring for their children by hiring math teachers, in the hope that their children are mathematically intelligent. This study aims to examine the effect of using animated interactive multimedia on students' understanding of the concept of understanding mathematical concepts. The population of this study were students of class VII MTs Darul Ulum Muhammadiyah Galur even semester of the 2019/2020 school year. Of the five existing classes, two classes were taken randomly as samples with one class as the experimental class and one class as the control class. This study used the randomized pretest-posttest control group design. The research data were obtained through a test in the form of a description of the rectangular and square material. The results showed that there was a difference in the understanding of mathematical concepts in students who used animated interactive multimedia higher than the understanding of mathematical concepts of students who took conventional learning, and there was a positive and significant effect of the use of animated interactive media on the Mathematical Concept Understanding of Class VII MTs Darul Ulum Muhammadiyah Galur Tahun Students 2019/2020 Teaching

Penerapan Model Pembelajaran Kooperatif Tipe Make A Math untuk Meningkatkan Hasil Belajar Siswa

This study aims to determine whether applying the Make A Math type of cooperative learning model can improve student learning outcomes in mathematics. The type of research used is Classroom Action Research. The sample in this study were all students of class VIIC SMP Negeri 7 Kebumen, totaling 24 students. The instruments used in this study were observation, documentation and tests Based on the results of the study, it was concluded that the application of the Make A Math type of cooperative learning model could improve student learning outcomes in mathematics class VIIC at SMP Negeri 7 Kebumen. The increase in student learning outcomes can be shown in the results of the final cycle test after applying the Make A Math type of cooperative learning model, the class average score was obtained with the results in the pre-cycle of 57.70; cycle I amounted to 67.08 and cycle II amounted to 78.95. With a percentage of completeness in the prasilkus of 33.33%, in the first cycle as many as 11 students completed with a percentage of 45.83% and in the second cycle there were 18 students who completed with a percentage of 75%

PENINGKATAN KEMAMPUAN PENALARAN MATEMATIKA DENGAN PENDEKATAN SCIENTIFIC TERINTEGRASI PADA MODEL PROBLEM SOLVING

The purpose of this study was to determine the application of an integrated scientific approach to the correct problem solving model in order to improve the reasoning abilities of the fifth grade students of SD Negeri Prembulan. The results of this study indicate that: (1) In general, the application of the integrated scientific approach to the correct problem solving model is effective in improving mathematical reasoning skills, (2) Increasing mathematics reasoning of the fifth grade students of SD Prembulan in the pre-cycle by 50.05% in the cycle I amounted to 76.31% in the second cycle of 85.39%