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Download full textArifin, Sujinal; Zulkardi; Putri, Ratu Ilma Indra; Hartono, Yusuf – Journal on Mathematics Education, 2021
This study aimed to describe and compare the students' fluency, flexibility, and originality in solving non-routine problems in the Palembang context. They were depicted from the student's fluency, flexibility, and originality of solving the horizontal and vertical mathematization forms. This qualitative study employed. The subjects of this study…
Descriptors: Creativity, Problem Solving, Mathematics Instruction, Grade 9
Yuberta, Kurnia Rahmi; Zulkardi; Hartono, Yusuf; van Galen, Frans – Indonesian Mathematical Society Journal on Mathematics Education, 2011
Many researchers found that students have difficulties in understanding area measurement. Students mostly focus on applying formula to find the area of certain shapes without knowing what the area is and why the formula works. It is important for the students to know what attribute being measured and to construct the unit for area measurement.…
Descriptors: Foreign Countries, Measurement, Geometric Concepts, Mathematics Instruction
Pramudiani, Puri; Zulkardi; Hartono, Yusuf; van Amerom, Barbara – Indonesian Mathematical Society Journal on Mathematics Education, 2011
Learning about decimals is an important part in mathematics. However at the same time, decimals are known as the abstract numbers for students. Mostly in Indonesia, decimal is taught only as another notation for fractions or percentages. There are no meaningful references for them such as the use of concrete situations. This study aimed at…
Descriptors: Foreign Countries, Arithmetic, Mathematics Instruction, Teaching Methods
