Every triangle has a 9-point circle. Pretty wild!!! geogebra.org/m/pxc84bGg GeoGebra #MTBoS #ITeachMath #geometry

I'm really enjoying fully implementing outcomes based grading as Peter Liljedahl describes in BTC this year. I've also been on a brainstorm surge re: creating Q types at BASIC, INT, and ADV levels for many concepts. Here, using CG to classify quadrilaterals: drive.google.com/drive/folders/…

inliers

The Building Thinking Classrooms team are excited to unveil the new buildingthinkingclassrooms.com site. You'll find it full of new information on BTC, books, thinking tasks, research, events, consulting, merchandise and more! We hope the site is valuable to the #buildingthinkingclassrooms community. 1/2

How about a 75% chance of winning $25 million? I bet most people would choose that.

All in all, an awesome performance by Emily Banach last night!

Also, NOT EVERY DAY IS AN “INSTRUCTION”DAY!

Sometimes we practice. Sometimes we create. Sometimes we explore. Sometimes we assess. Sometimes we catch up. Sometimes we review.

Often we instruct. And then we follow up.

Why is this such a big deal?