Noting that little is known about young children's informal mathematical knowledge and that such knowledge may contribute to national differences in mathematics achievement, this study examined Taiwanese and American preschool children's informal mathematical knowledge and the type of mathematical activities they encounter in everyday life. Data…

The purpose of this paper is to investigate how collaborative problem solving affects individual mathematical problem-solving ability. Quantitative and qualitative evaluations were conducted, focusing on four students in the same fourth grade mathematics class in Taipei, Taiwan, as they participated in two steps of individual problem-solving…