The quadrilaterals problem is a particularly rich task, applicable to in-service teachers as well as to the students they teach. The ways in which students engage in this task, the strategies they use, and the mathematics that results align well with this "MT" Focus Issue on flexible mathematical thinking. The authors offer their observations of…

One sign of a good task is that it will work just as well with Year 7 as with Year 13. The author asks learners to use graph-drawing software to draw a picture with graphs. He uses his imagination to suggest what a particular curve might resemble and helps learners to adjust their drawings to achieve what they are trying to make. Sometimes, one…

The purpose of this study was to investigate the formal mathematics educational training of elementary grade teachers as well as their perceived levels of self-efficacy regarding the Georgia Performance Standards for mathematics. This study investigated 129 first through fifth grade teachers in Northeast Georgia. The researcher administered a…