
One Paper Cup
A cup-stacking lesson, minus most of the cups
I write about math, teaching, and whatever else I can’t stop thinking about.
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A cup-stacking lesson, minus most of the cups

Going on its third and final (yes!) version

One teacher had nothing for what math is, but no hesitation on school math

I knew about all the other last days—I didn't know about this one

Two problems worth posing to every student in the room

36 Whole Foods® Organic Ginger Root

31 365 Everyday Value® Wild-Caught Sockeye Salmon Fillets

26 Philadelphia® Original Cream Cheese

21 Kraft® Macaroni & Cheese

16 Tropicana® 100% Orange Juice