Professional Development for Secondary School Mathematics Teacher to Promote Students’ Algebraic Thinking Skills at Bogor Area
The aim of this research is explaining the teachers’ professional development program that promote the algebraic thinking skills. The research starts by conducting the teachers’ development program for junior high school teacher that is appropriate with the teachers’ development program theory. The program consists of one-day workshop “Workshop teaching and learning algebraic thinking skills for junior high school teachers at Bogor”, teachers practice in the classroom, and report and reflection through the online platform. The data gather by analyzing the teacher’s reflection towards the platform, their report, and evaluation of the teaching practice. The analysis shows that the teachers development does promote the algebraic thinking skills by 1) re-learn or building the concept of the algebra such us the meaning of algebra especially the generalization, the difference with arithmetic, and others 2) know new methods and media to teach algebra, 3) link and community to learn the teaching learning algebra together. The teaching practice of the implementation success in provoke active learning, students’ thinking skills such as generalization, students score, mindset, and develop teachers’ skills in explaining the algebra to students.
Keywords: teachers’ development, junior high school teacher, algebraic thinking skills, descriptive research, qualitative research, content knowledge, teachers’ community