Monthly Archives: September 2009

When Sketchpad is Wrong

Last week we went into the lab to play do an investigation with Sketchpad. The task was to create various polygons, measure the angles in each, and calculate the sum of the interior angles. They were then to formulate a … Continue reading

Posted in General | 5 Comments

Formative Assessment?

We were recently going to do an activity that involved finding the formula for the sum of the interior angles in a polygon. This required that they know that a few terms beforehand. I wanted a quick way to check … Continue reading

Posted in Math, teaching | 9 Comments