Teaching Students to Construct a Circumcenter

In this video, Kelly shows how to use GeoGebra to teach students how to construct a circumcenter, explore its properties, apply it to a common problem of where to sit in the food court, and connect it to future concepts with circles. Teaching Students to Construct a Circumcenter Kelly Castaneda is an instructor and chairperson […]

Challenging Students to Divide a Segment into Three Congruent Segments

In this video, Kelly shows how to use GeoGebra to challenge students to divide a segment into three congruent segments.  The students solved this problem through the traditional method of constructing parallel lines and a less common method of constructing a centroid. Challenging Students to Divide a Segment into Three Congruent Segments Kelly Castaneda is […]