A web-based two-tier test (WTTT-NS) which combined the advantages of traditional written tests and interviews in assessing number sense was developed and applied to assess students' answers and reasons for the questions. In addition, students' major misconceptions can be detected. A total of 1,248 sixth graders in Taiwan were selected to…

This article presents results of a case study of a math circle designed for low income, minority students from an inner city middle school. The students were 6th, 7th and 8th grade African American and Hispanic males enrolled in a science, technology, engineering and mathematics focused charter school. The study focused on the impact of…

The purpose of this study was to analyze the newly developed elementary school (grades 1 through 8) mathematics curriculum by considering 5th grade students' and classroom teachers' views. The analysis of the curriculum was realized in three dimensions; (1) Classroom management--classroom physical and emotional environments, teacher and student…