What’s In My Brain: H vs Arrow
Two columns. One is an example, one isn’t. Can you figure out the hidden rule before the big reveal?
What’s In My Brain: Pentagon vs Pentagon
We’re looking at regular vs irregular polygons.
Geometry Image: Esplanade Theaters
What odd and interesting shapes can your students find in this geometric image?
Geometry Image: University Ave
What odd and interesting shapes can your students find in this geometric image?
Geometry Image: Victoria Conference Center
What odd and interesting shapes can your students find in this geometric image?
Geometry Image: Skytree
What odd and interesting shapes can your students find in this geometric image?
Geometry Image: Steigerwald
What odd and interesting shapes can your students find in this geometric image?
Intersecting Angles and Streets
There can never be just one angle.
The Angles of a Triangle
Why tell a kid the rules of a triangle when they can discover them!?
Discovering Pi With Sticky Notes
Pi is mysterious and strange! Why not let students discover it on their own?
Exploring Circumference With Famous Circles
Let’s find how the diameter and circumference of famous circles are related.