This article presents a part of the Inter-Tetra project. This study firstly reviews the literature on conceptions of experiments in didactics of math and didactics of physics to design questionnaires to survey the conceptions of experiments in teaching physics and teaching math in Vietnam. Thereafter, the survey has been conducted among the math…

Based on Confucius' saying "A word may change your mind, an emotion may change your life and a person may change you", our emotions affect our learning if we take life as a process of learning. Some of our learning on which we are successful and unsuccessful are student characteristics. Effective properties are one of the characteristics…

In this study a survey instrument was developed to test elementary teachers' attitudes towards incorporating manipulatives in their math lessons frequently. Though the benefits of using math manipulatives has been reported, there seems to be a disconnect between the benefits of manipulative use and the number of teachers integrating them in their…