October 15, 2019

Orbit-Stabilizer Theorem

My song on the dance game Pump it Up XX is named after a famous theorem from group theory. Here's an explanation of what it's all about.


August 1, 2019

When Does Nothing Mean Something?

Those deliberately ambiguous order-of-operations problems that plague social media may actually be evidence of a mathematical "language shift."


January 12, 2019

Who Says You Can't Do That? --- Trig Identities

Everyone knows you can't do the same thing to both sides of a trig identity to prove it... right?


January 2, 2019

October 21, 2017

Discreet Discrete Calculus

A presentation I gave at the Georgia Mathematics Conference, about slyly introducing precalculus students to a discrete version of calculus.


September 15, 2017

I'm Done with Two Column Proofs.

Statement: They're terrible.
Reason: They don't help students reason — if anything, they just get in the way.


August 14, 2015

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