The purpose of this research is to describe a mathematical problem-solving approach to the matrix material. This type of research is qualitative research using library research methods. Data collection techniques by identifying from books, articles, journals, papers, and various information related to mathematical problem-solving approaches to the matrix material. The results showed: (1) the students' way of understanding the problem of types of matrices, calculation operations on matrices, determinants, and inverses; (2) the way students make plans for solving problems with the types of matrices, calculation operations on matrices, determinants, and inverses; (3) the way students carry out the problem-solving plan types of matrices, count operations on the matrix, determinants, and inverses; and (4) how to recheck the results from solving the matrix types, count operations on the matrix, determinants, and inverse.
This research is motivated by the development of technology as a learning medium that must be applied in schools to facilitate the teaching and learning process during the Covid 19 period. Using e-modules will make it easier for students to learn from home. The research objective is to produce an E-module with a scientific approach using Flip PDF Professional on square and rectangular material. E-module is expected to develop students' higher-order thinking. E-modules can be used with or without the active role of a teacher who provides material explanations. E-module rectangles and squares aim so that students can understand the concept of the properties, perimeter, and area of rectangles and squares and use them in solving problems that occur in everyday life and it is hoped that by using this e-module students quickly understand the material rectangles and squares, and can do lessons without depending on the explanation from the teacher.
In an effort to deal with population growth, it is necessary to have good food security from a country. How can a country have good food security if the agricultural industry sector alone does not have human resources and good use of technology? For this reason, it is necessary to have certain stakeholders who take part in efforts to improve the welfare of farmers in order to improve resources and ensure the sustainability of the agricultural industry sector. PT Bank Mandiri through its Corporate Social Responsibility activitiy, PT. Mitra Desa Pamarican play a role as stakeholders in efforts to improve the welfare of farmers and businesses in Pamarican Village, Ciamis Regency. This article will explain how the PT Mitra Desa Pamarican program has succeeded in improving the welfare of farmers and through increasing village-owned business activities, as well as improving the quality of agricultural products through the use of technology. This article uses a qualitative descriptive method through literature study using secondary data in obtaining the data. The purpose of this article is to explore structurally how the Corporate Social Responsibility program can provide benefits for both the company and the recipient community. Keywords: Welfare of farmers, agricultural industry, corporate social responsibility
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