A. Prabowo, Asih, Jumardi
The purpose of this research is to find the most appropriate learning media of multiplication and division for the 2nd graders of elementary school. The study used the steps in the lesson study, Plan-Do-See. Data were taken using observation instruments, video documentation, and learning evaluation tools. Initially, teachers used gravel as media of multiplication and division. Students can solve numeracy problems when they learn by those media. In test, 80% of students were failure when the teacher evaluates them. By involving experts and partner teachers at school, classroom teachers can solve problems by discover multiplication and division media with the drawing media created by the students themselves. At the end of the lesson, 100% of students have mastered multiplication and division with the media. © Published under licence by IOP Publishing Ltd.
Department of Mathematics, Universitas Negeri Semarang, Indonesia; Teacher of State Elementary School 1 Rempek, Lombok Utara, Indonesia
