median Archives - Mary Kienstra

Volume and Surface Area – with boxes

By: Mary Kienstra on: April 11, 2015  in: math engagement, median, volume

When teaching volume and surface area, there is no better way than to get out the rectangular prisms (a.k.a. boxes) and let the students figure it out.  On days like this, I like to get out of their way and just watch it unfold. Last year I realized that volume and surface area cannot be explored […] Read more

Let Your Students Decide: Mean or Median?

By: Mary Kienstra on: September 24, 2014  in: Discussion, Engagement, Kakooma, Mean, median

Some days, what you plan to teach is not what your students learn.  Friday was one of those days, but in a good way!   Every Friday, math class begins with Kakooma Challenge.  This game has become quite a favorite.  Everyone looks forward to the challenge and hopefully beating the other classes.  (Yes, a little […] Read more