PENGARUH MODEL INVESTIGASI KELOMPOK BERDASARKAN KESANGGUPAN PENYELESAIAN SOAL MATEMATIKA SD NEGERI 15 RIANIATE SAMOSIR

Abstract

Investigation is the process of searching for the real facts. Sometimes the information available is not the actual facts. Logical reasoning is needed to uncover the true facts from the available information. At the elementary level, math is a subject that forms concepts in solving problems. Improving mathematics subjects can increase the ability to solve math problems by building knowledge, and with the idea of mathematics as the only class-based should be abandoned and it should be emphasized that mathematics is a tool for real life. This study is to determine whether there is an effect of the group investigation model based on the ability to solve math problems SD Negeri 15 Rianiate Samosir district ?.The implementation of the research was carried out by giving post test and pre test questions to students and the problems solved were the distance material that had been studied previously.  The purpose of the study was to determine whether there is an effect of the group investigation model based on the ability to solve math problems at SD Negeri 15 Samosir district from the results of paired sample t test, data normality test, simple linear regression test, homogeneous test, coefficient of determination test, t test.