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Download full textNego Linuhung; Purwanto; Sukoriyanto; Sudirman – Mathematics Teaching Research Journal, 2025
The problem solving performed by students in solving mathematical literacy problems shows that at the developmental stage of proportional reasoning students have different strategies, especially at the developmental stage of functional and scalar relationships. The purpose of this study is to identify and explore the developmental stages of…
Descriptors: Problem Solving, Logical Thinking, Mathematics Instruction, Junior High School Students
Pradina Parameswari; Purwanto; Sudirman; Susiswo – Mathematics Teaching Research Journal, 2024
Students' difficulties in differentiating the direct proportion and inverse proportion problems cause interference. Proactive interference is the error that occurs when old information (concept of direct proportion) interferes with new information (concept of inverse proportion). In solving the problem of inverse proportion, students often use the…
Descriptors: Problem Solving, Mathematical Concepts, Mathematics Instruction, Grade 8
Muslim; Toto Nusantara; Sudirman; Santi Irawati – Mathematics Teaching Research Journal, 2023
This study aims to describe students' commognitive in solving algebraic problems. This research is a qualitative research with descriptive approach. The subjects of this research were fifth semester students of the mathematics education study program at the College of Taman Siswa Teacher Training and Education. The research subjects were 9…
Descriptors: Algebra, Mathematics Instruction, Problem Solving, Teacher Education Programs
Hidayah, Indriati Nurul; Irawati, Santi; Agung, Mohammad; Sa'dijah, Cholis; Subanji; Sudirman – Mathematics Teaching Research Journal, 2023
Most students practice abductive reasoning in solving mathematical problems that encourage creativity. This study analyses the process of making conjectures based on abductive reasoning. This study used a qualitative design and involved 106 undergraduate mathematics students enrolled in the mathematics course Introduction to Ring. We analyzed the…
Descriptors: Logical Thinking, Thinking Skills, Mathematics Skills, Concept Formation
Sudirman; Runisah; Yaya Sukjaya Kusumah; Bambang Avip Priatna Martadiputra – Pegem Journal of Education and Instruction, 2023
3D geometry is an essential concept in mathematics because it relates to real-world experiences and numerous mathematical topics. However, some students still have difficulty understanding this geometry. Therefore, this study aims to identify and describe students' epistemological obstacles to the dimensions of representation, spatial structure,…
Descriptors: Geometry, Mathematical Concepts, Teaching Methods, Junior High School Students
Wijaya, Agung Putra; Nusantara, Toto; Sudirman; Hidayanto, Erry – Mathematics Teaching Research Journal, 2022
Analytical questions are the types of questions that can lead students to gain an understanding of a concept and explore reasoning. This research is a descriptive, qualitative study investigating the emergence of analytical questions and their interaction patterns in group discussions facilitated by a scientific approach to learning. The subjects…
Descriptors: Science Education, Science Process Skills, Questioning Techniques, Learning Processes
