Logical riddles about a real-life pair of brothers. No hockey knowledge required.
The Puzzle of the Prankster Twins
A math teacher’s advice for parents.
A tale of know-how and want-to.
Why did you round 3560 to 3500 instead of 3600?
A 9-year-old calls me out on a sneaky act of rounding.
A riddle about jigsaw puzzles.
When you're sorting edges from middles, will the piles ever be equal in size?
The Battlestar Galactica Theory of Math Education
A thought on how to break the cycle.
Should math class be hard?
The answer may not surprise you -- but it surprised me.
Data Science Contest: Which U.S. Cities are the True Twins?
Prize: a signed book.
What I’ve Been Reading
A few favorites.
Mathematicians Play “Set”
Spoilers: they are not good at it.
A Brief Collection of Math Metaphors in Literature
Are these teaching us about people, or about math? (Both.)