Peningkatan Pemahaman Konsep Bangun Datar dengan Menggunakan Media Realia pada Pembelajaran Matematika pada Siswa Sekolah Dasar

Abstract

The purpose of this research is to improve the concept understanding of twodimentional
figure by using Media Realiaof the student in Grade IIIB of state Primary School
of Bratan 1 in Academic Year 2016/2017.This research used the classroom action research
with two cycles. Each cycle consisted of four phases, namely:planning, implementation,
observation, and reflection. The subjects of the research were the students as many 34 students
in Grade IIIB of the school. Data analysis techniques that use data collection, data reduction,
data presentation, and withdrawal of conclusions. Data validity using technique triangulation
and source triangulation.The results showed that by using Media Realia can improve the
understanding of two-dimentional figure on IIIB students SD Negeri Bratan 1 academic year
2016/2017. Before using Media Realia is seen, the students who reach the KKM consist of
only 11 students or 32,35% in pre-action data. In the first cycle by using Media Realia students
mastery increased to 67,65%. In the second cycle by using Media Realia students mastery rose
to 85,3%. From the results of my research can be concluded that by using Media Realiacan
improve understanding of two-dimentional figure state in the students of grade IIIB SD Negeri
Bratan 1 academic year 2016/2017.