“…So, one important line of research in problem posing has been to explore what problems teachers and students are able to pose (Cai, 1998;Cai & Hwang, 2002;English, 1997aEnglish, , 1997bSilver & Cai, 1996;Silver, Mamona-Downs, Leung, & Kenney, 1996;Stoyanova & Ellerton, 1996). In this line of inquiry, researchers usually design a problem situation and ask subjects to pose problems that can be solved using the information given in the situation.…”