Geometry flat side material is crucial subject for students in senior high school. As the development of technology that increases very rapidly, it provides a chance to develop Media Interactive Learning (MPI) such as Course Lab MPI 2.4. This study was conducted to create a valid interactive multimedia teaching material, practical, and effective. Since there are correlated between spatial reasoning and student learning achievements, the influence of Course lab on the improvement of spatial reasoning is also seen. Spatial reasoning has three aspects that are mental rotation, spatial orientation, and spatial visualization. This study is a development model consisting plomp as design composed of three phases. The results obtained through this research interactive multimedia teaching material course lab based on geometry flat side were valid, practical, and effective. Students’ test scores average changed at 25 with a standard deviation of 7.07. The test results statistically demonstrated the value which means there were some differences in the average score of the initial test and final test. Course lab also led to improving students’ spatial reasoning. The multimedia developed was effective in improving both student learning achievements and spatial reasoning.
This study aims to analyze the steps for solving mathematical problems by students' understanding of the geometric material in story problems based on the Polya technique. This research was conducted in one of the Islamic elementary schools in Batu City on six students in grade 6. The approach taken is to use a descriptive qualitative approach. The research was carried out using triangulation methods, namely observing the problem-solving process, interviews, and reviewing documents (students' work). Interviews in this study were conducted with several students, namely two high ability people, two low ability people, and two medium ability people. The analysis was carried out by concluding the data obtained based on the observations that have been made. The study results showed that the Polya technique showed different results on the results of solving the problems of each category of students in solving story problems about the area of squares and rectangles. Based on these results, it can be seen that students' understanding of the geometry material on the story problem.
Web merupakan sarana pembagian informasi secara digital. Web merupakan salah satu media yang sangat mendukung kehidupan manusia terutama di era internet saat ini. Terdapat 9 tahapan yang utama dalam pembuatan web, akan tetapi terdapat hal-hal yang perlu diperhatikan. Sebagai salah satu sarana berbagi informasi, web diharuskan dapat memberikan pengalaman tertentu yang disesuaikan dengan kebutuhan pengguna atau konsumen. Web sangat membantu dalam pengenalan maupun pemasaran produk, jasa tertentu. Tujuan dari penulisan artikel ini adalah untuk mengenalkan pentingnya mengembangkan aplikasi web dalam membantu memenuhi kebutuhan manusia di era digital dan internet.
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