Pop Tac Toe
Please join us for a short Math Circle session where we will play a game called Pop Tac Toe. Math Circle OnlineSunday April 12 2026 7:00pm Look to email for login instructions.
Pirate Democracy 2
This Sunday, we will turn to a new topic, called Pirate Democracy. Math Circle OnlineSunday March 29 2026 7pm Look to email for login instructions
Pirate Democracy
This Sunday, we continue our investigation we will continue our investigation of More Heads than Tails. If we have time, we will turn to a new topic, called Pirate Democracy. Math Circle OnlineSunday March 22 2026 7pm Look to email for login instructions
More Heads than Tails
Tonight we will have a short Math Circle session, which is appropriate for this time of year. It’s called More Heads than Tails. What happens when you flip a fair coin, and the number of heads exceeds the number of tails? Please bring an actual coin (e.g. a quarter) to the session. Math Circle OnlineSunday …
Magic Forest
Tonight we visit a mathematical magic forest, where there dwell unicorns, elves, and trolls. Math Circle OnlineSunday March 8 2026 7pm Look to email for login instructions.
Triangles on a Lattice
Having investigated squares on a lattice, we’ll now turn our attention to triangles on a lattice. Math Circle OnlineSunday March 1 2026 7pm Look to email for login instructions.
Squares on a Lattice Continued
We continue our investigation which area squares can be created on a lattice. If we have time, we’ll look at triangles as well. Math Circle OnlineSunday February 22 2026 2026 7pm Look to email for login instructions.
HMMT
The Harvard-MIT Math Tournament is tomorrow. Here is some practical info about the event. We will meet 7:15am in Lobby 7 of MIT. Please be sure to depart home early enough to park and walk to MIT by 7:15am. FWIW I am parking here. The competition runs from 8:15am to 4:45pm, with the awards ceremony …
More Squares on a Lattice
This Sunday, we continue our investigation which area squares can be created on a lattice, and look for some general results. Math Circle OnlineSunday February 15 2026 7pm Look to email for login instructions.
HMMT Practice
HMMT is coming up this Saturday 14 Feb. Let’s have a short HMMT practice: I’d like to work a few problems, so we get an idea of the structure of the competition. We also need to discuss logistics – how we are going to get there. HMMT PracticeThursday 12 Feb 7:00-7:45pm Look to email for …