Investigation process is crucial in learning mathematics.In other words,mathematical investigation skill is important to support obtaining the objectives of mathematics learning.In this case,this study aimed at discovering the effectivity of MURRDERR(metaphor,understanding,recalling,recognizing,detecting,elaborating,reviewing,and respecting)strategy in developing investigative thinking skills of elementary school pre-service teacher.This study employed quasi-experiment that involved 119 elementary school pre-service teachers,which was divided into three groups.The data was obtained from pre-tests and post-tests.It was found that MURRDERR strategy was more effective in developing mathematical investigative thinking skill.Moreover,it would be more effective if the teaching materials have been prepared through several didactic design steps that would minimalize the barriers faced by pre-service teacher to learning.According to the findings,it could be concluded that MURRDERR strategy could be adopted as an alternative in developing mathematical investigative thinking skills.
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