
Lemon Square Math
Besides producing delicious lemon bars, this recipe for Classic Lemon Bars from the Food Network is also a great opportunity to think ...

Math and Economics at the Farmers Market
There's still nothing like experiencing math in the context of of simple cash purchases. I say "still" because of the ...

An exercise in modeling a real life tile pattern
At a recent stop at the Citadel Outlets, I came across a beautifully tiled wall by the water fountain: What ...

Three sisters and their PJ’s
When I saw Grace, Sophie, and Chloe in their mismatched pajamas, a question immediately popped up: if there are 3 ...

A prism of a bathroom sink
A trip to the ladies room of the Arclight Cinemas in the local mall revealed a somewhat unusually shaped sink ...

A Generous Uncle?
When my daughter was 6 years old, her uncle gave her this figurine, a couple of inches tall. She asked ...

Driving by the Embarcadero
Stuck at a traffic light, and, lo and behold, a DODECAHEDRON! A closer look reveals it’s standing on a platform ...

A Teachable Moment At The Top Of Filbert Street
As we huffed and puffed our way up the hill, we saw this sign. I thought this would be a ...