Kreie blog - Reflections of a HS Mathematics Teacher

As part of a first semester project for Algebra 1 this year, students completed a two-day activity called "All Knotted Up".  I fir...

First official day of school starts today.  Here is a quick glimpse around my classroom. Computer + Smart Board + Document Camera I d...

Two years ago, I was a member of cohort 2 of the Desmos Fellowship.   On my way home from Fellowship weekend, I wrote a blog post about m...

As recently as 2017, I was a firm believer that it was fine for students to have cell phones in the classroom.  Part of my philosophy center...

For the past four years, I have had my geometry students complete a project as part of their semester 1 final exam.  The task is for student...

Confession #1: I love the National Basketball Association (NBA).  Those who know me well know that I love just about anything related to ba...

{NOTE: This post will appear in the Winter 2018 edition of Wahpe Woyaka, SDCTM's quarterly newsletter .} In Dan Meyer’s 2010 Ted T...