This research has been conducted to examine the relationship between primary school 8th grade students' levels of assertiveness and a) family function b) socio-demographic variables. In the research with the family assessment scale, rathus assertiveness and socio-demographic properties inventory has been used. The personal information form has…

Lego has been a popular toy since 1932. "LEGO" is an abbreviation of two Danish words "leg godt" which means "play well." In today's LEGO-based learning and teaching environments, it has been revealed in studies that students working to solve problems presented to them were often unaware of how much time has passed.…

Justification is a core mathematics practice. Although the purposes of justification in the mathematician community have been studied extensively, we know relatively little about its role in K-12 classrooms. This paper documents the range of purposes identified by 12 middle grades teachers who were working actively to incorporate justification…