Tanya Khovanova's Math Blog

Here is the famous Sleeping Beauty problem.

I have a vague memory from a long time ago.

In 2016, I posted a cute puzzle, An Asteroid Walk, on my blog.

I used to write a review and list math-related puzzles for each MIT Mystery Hunt.

I have finally become a queen — though only in a research paper.

Here is an old puzzle that I have used in my classes for years.

Here is another puzzle from Konstantin Knop.

I’ve been throwing away my old math books: the information is easily accessible online.

Vouchers are supposed to make shopping cheaper, right?

I have always liked the following idea for education.

Here is a famous riddle.

AI is changing mathematics very fast.

I like pets, but, for various reasons, I can’t have one.

Let me begin with labeled chip-firing on an infinite directed binary tree, where the root is at the top.

For the last homework of the year, I gave my students a killer puzzle—literally.

Here is another puzzle posted on Facebook by Konstantin Knop.

I asked ChatGPT to tell me some jokes about itself.

Konstantin Knop wrote to me about a weighing puzzle.

I gave the following problem as part of the entrance test for my STEP program.

Here is a new puzzle by Nikolai Chernyatiev.

Alexander Karabegov sends me new puzzles from time to time.

I’ve been staring at my icosahedron, trying to solve the following puzzle by Konstantin Knop.