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D Dasari
Departemen Pendidikan Matematika, Universitas Pendidikan Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Mathematics Physics

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Problem solving skill of junior high school students on the solid geometry topic F Rahmadeni; S Prabawanto; D Dasari
International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia Vol 3 (2018): Promoting 21st Century Skills Through Mathematics and Science Education
Publisher : Pascasarjana Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (523.122 KB)

Abstract

This study aims to investigate problem solving skills of junior high school students in solid geometry (cube, cuboid, prism, and pyramid) topic. A descriptive qualitative research study through individual written test (essay) was conducted to described problem solving skill of junior high school students. A test was given to 32 students of ninth grade in one of junior high school in Bengkulu, Indonesia. The result show that almost all student difficult to: 1) make strategy to solve the problem, 2) use the strategy planned before to solve the problem. This result of the study conclude that junior high school students have a low problem solving skills. The result of this study show us the need for developing an efffective learning which can fasilitate students in improving their problem solving skill.
What can we learn from pupils’ dialogues? Second graders’ learning about division A S Maulida; D Dasari; E Mulyana
International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia Vol 3 (2018): Promoting 21st Century Skills Through Mathematics and Science Education
Publisher : Pascasarjana Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (384.082 KB)

Abstract

Setting up lesson to introduce the concept of division by didactical situation for second graders’ student in one of private primary school in Bandung (March 2017). We set the lesson with the theme of ‘Let’s help Mrs Emma’. The lesson design was sharing four packs of chocolate for 5 persons. The situation, Mrs Emma got packages from her friends. The packs contain four packs of chocolate. The chocolates should be share for her family’s member, such as father, Mrs Emma, little sister, little brother, and grandma. Then, Mrs Emma asked pupils to work in group and discuss about how to share the chocolates. The analysis was focus on group discussion, about phenomenology in the classroom then identifying pupils’ ethical orientations and decisions when dividing chocolates. We know that each pupils had their own tacit knowledge. It means that through this lesson design, pupils making dialogues for negotiating their argument to solve this problem. Moreover, pupils learned about collaborating and respecting each other’s tacit.
Co-Authors A S Maulida E Mulyana F Rahmadeni S Prabawanto