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Category Archives: Common Core
Iteration in the Complex Plane
The cover story of the April 2014 issue of Mathematics Teacher is on “Iteration in the Complex Plane”, by Robin S. O’Dell. It sounds like pretty advanced mathematics, but is surprisingly accessible with The Geometer’s Sketchpad. It’s all based on … Continue reading
Discovery by Dragging
A few days ago I led a webinar on the Common Core and Sketchpad for Sketchpad beginners, and I showed four Sketchpad activities aligned with both the Content Standards and the Standards for Mathematical Practice. I mixed it up a … Continue reading
What Does Rowing Have to Do with Teaching Mathematics?
Harry congratulates a rower after sweeping Yale for his last time. Harry Parker died this summer, two weeks after coaching the Harvard rowing team to yet another sweep of all four races (varsity, JV, freshmen, and spares) against Yale and … Continue reading
Starting with Sketchpad Activities on Day One in High School
In my previous two posts, I listed some of the new Dynamic Number project activities (for grades 25 and grades 58) that engage students in manipulating and investigating dynamic mathematical objects from day one. In this post I’ll list several … Continue reading
Starting with Sketchpad Activities on Day One in Grades 58
In the Dynamic Number project, one of our goals has been to create activities in which students actually experience mathematical objects by creating them, manipulating them, and investigating them. (George Lakoff and Rafael Núñez describe, in Where Mathematics Comes From, … Continue reading
Standards for (Mathematical) Practice
Today I present Dr. Donna S. Leak, Superintendent of Rich Township High School District in Illinois, and her talk at the Key Ignite event during NCSM in April. In her presentation, “The Will to Transform—The Action to Succeed,” Donna describes … Continue reading
Modeling: A Challenge or a Mind Shift?
I’ve been developing a workshop on modeling as it is envisioned in the Common Core State Standards. A couple of ideas that I have gotten from my research are presenting quite a challenge: • Modeling is not a recipe of … Continue reading
Difficult Questions. Keep ‘em coming.
I was recently reminded of how important it is to evaluate student interaction when determining the professional development needs of a school or teacher. I’ve written about this in prior posts and included a reference to a useful tool for … Continue reading
Modeling: A Mathematical Practice and a Content Standard?
Have you ever thought about the fact that “modeling” in the Common Core is not only in the Standards for Mathematical Practice, but also is a content standard? I have to admit that I hadn’t really thought much about it … Continue reading
Posted in Common Core
Tagged Common Core State Standards, Modeling, Standards for Mathematical Practice
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Stay Out of the Crosswalk!
That advice may seem contradictory to what our parents told us, and what we tell our students and children. But, in this case, context means everything. States, districts, and schools that are now planning for the implementation of the Common … Continue reading