PENGEMBANGAN BAHAN AJAR MATEMATIKA DENGAN PENDEKATAN SCIENTIFIC UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA SMA NEGERI 1 BANDAR PULAU

Abstract

The purpose of this research is to examine: (1) How the validity of
teaching subject which developed by scientific approaching that used to
improves the sability critical thinking mathematically of student, (2) How
the effectiveness of teaching subject which this developed by scientific
approaching that used to improved the abiliity critical thinking
mathematically of student and (3) How the improvement of the ability
critical thinking mathematically of student by using teaching subject
which developed by approaaching scientific. Teacing subject is A book,
RPP and LKS instrument test result. Population in this research is all of
student class X SMA Negeri 1 Bandar Pulau which is totally there are
141 studdents. Taking samples from 2 class room which totally there are
71 students. This research equal to research improvement use example
Thiagarajan, Semmel and Semmel are modified by 4D model. There are 4
step for development processing: define, design, develop and
disseminate. Data analisist result have gotten shoeing that teaching
subject with approaching scientific at trigonometri clas X SMA Negeri 1
Bandar Pulau are valid and effctive.