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Ikhsan, Fahrudin; Pramudya, Ikrar; Subanti, Sri – International Online Journal of Education and Teaching, 2020
The study aims at (1) describing the mathematical communication at class VII junior high school in solving problems of the system of equations and linear inequalities of one variable, (2) analyzing the factors that cause students to correct problems in system material and linear inequalities of one variable. The data were collected in the form of…
Descriptors: Foreign Countries, Junior High School Students, Grade 7, Mathematics Skills
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Andika, Fajar; Pramudya, Ikrar; Subanti, Sri – International Online Journal of Education and Teaching, 2020
Geometry subject that prosecute students to comprehend abstracts things is one of the causes of students' difficulties in mathematics learning. This study aims to determine the effect of Problem Posing and Problem Solving learning models with the Scientific Approach to students' adaptive reasoning on plane figure materials. It was conducted at the…
Descriptors: Geometry, Mathematics Instruction, Teaching Methods, Problem Solving