Development of remedial mathematics learning based on lesson study for learning community against students' problem solving analysis capabilities

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Abstract

This study aims to develop remedial mathematics learning tools based on Lesson Study for Learning Community (LSLC). This research uses a mixed method that combines two previous forms of research, namely research and development and experimental research. The subjects of the research were grade VII students. This type of research is a step of research by combining two forms of research that have been there before, namely the development of research and experimental research. The learning instruments developed in this study were on the material for the addition and subtraction of integer in grade VII SMP including Learning Implementation Plan, Student Worksheet, and Learning Outcomes Test. After obtaining a valid, practical, and effective device, the device is then tested in the experimental class to find out whether there is an effect on students problem solving abilities. homogeneity test shows the value of sigh. 0.671 on the pre test and 0.450 in the post test so that it can be concluded that the assumption of homogeneity of variance is fulfilled. Based on the results of the validity, effectiveness, and practicality test, the researcher concluded that the learning platform through bridge games and Lesson Study for Learning Community (LSLC) is a valid, effective, and practical device. At the time of the field trial research was also carried out. From the results of the test differences in problem solving in the two classes using the Mann Whitney Test shows the value of sighing. 0,000 (p<0.05), so it can be concluded that there are differences in problem solving between the control class using conventional instruction and the experimental class using Lesson Study for Learning Community (LSLC) based remedial learning with significant results so that when compared with conventional methods this device gets higher results than in students who use conventional methods.

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Purwandi, D., Susanto, & Hobri. (2020). Development of remedial mathematics learning based on lesson study for learning community against students’ problem solving analysis capabilities. In Journal of Physics: Conference Series (Vol. 1563). Institute of Physics Publishing. https://doi.org/10.1088/1742-6596/1563/1/012038

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