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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
Darmawan, Puguh; Purwanto; Parta, I. Nengah; Susiswo – International Journal of Instruction, 2020
This research aimed to describe the levels of feeling of rightness (FOR) of students. This research used a qualitative method with an explorative type. The subjects of this research were 3 students of 5th grade selected from 77 other students in Indonesia. In uncovering FOR subject of this research, instruments were used in the form of problems…
Descriptors: Foreign Countries, Problem Solving, Mathematical Concepts, Grade 5
Santia, Ika; Purwanto; Sutawidjadja, Akbar; Sudirman; Subanji – Journal on Mathematics Education, 2019
Mathematical representation has an essential role in solving mathematical problems. However, there are still many mathematics education students who have difficulty in representing ill-structured problems. Even though the ill-structured-problem-solving tasks designed to help mathematics education students understand the relevance and…
Descriptors: Mathematics Instruction, Problem Solving, Mathematical Concepts, College Students
Kurniati, Dian; Purwanto; As'ari, Abdur Rahman; Dwiyana, – Journal on Mathematics Education, 2018
The Mathematics students who perform truth-seeking process upon solving mathematical problems were unique. Therefore, the study deems it necessary to know students' mental structure and mechanism so that they can make the right decision by performing truth-seeking. However, no research has delved into the mental structures and mechanisms of…
Descriptors: Mathematics Instruction, Problem Solving, Cognitive Structures, Cognitive Processes
Setiawan, Yayan Eryk; Purwanto; Parta, I. Nengah; Sisworo – Journal on Mathematics Education, 2020
Linear pattern is the primary material in learning number patterns in junior high schools, but there are still many students who fail to generalize the linear pattern. The students' failure in generalizing the pattern occurred when the students ended to view the problems globally without breaking them into the constructors' components such as the…
Descriptors: Cognitive Style, Mathematical Concepts, Thinking Skills, Concept Formation
