SUPPORTING THE STUDENTS’ UNDERSTANDING OF PERCENT BY USING GRID 10 X 10

SISKA NINGSIH, RATU ILMA INDRA PUTRI, ELY SUSANTI

Abstract


Percent is often used in a variety of media in everyday life. Percent begins to be studied at the
elementary level. Students are more or less know about percent, but they are often difficulties in
percent problems. This study aims to support students’ understanding in learning percent using a grid
10 x 10 and Indonesian Realistic Mathematics Education (PMRI) approach. The method used is
design research of type validation studies. Design research consisted of three stages: preliminary,
design experiments and retrospective analysis. This research was conducted in SD Negeri 23 OKU by
involving students of class V. The data were collected through video recordings, students’ work,
interviews and then analyzed the data mostly in qualitative ways. The results of this study are learning
trajectory that consists of 3 activities and shows that the grid of 10 x 10 with PMRI approach can help
students understand the learning percent.


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