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Math Festival at the International Congress of Mathematicians

Fri, Jul 24 · 2:00pm–6:00pm

Center City·indoor·Free

A free, hands-on math festival that only lands here because the world congress is in town.

At a glance

Price
Free
Ages
4+ years
Location
Center City
Setting
indoor
Time
~1h 30m
Effort
Easy
Signup
Drop-in

Just show up · free Eventbrite ticket, indoors and air conditioned, and you can stay 30 minutes or three hours

What to know

  • Take SEPTA to Jefferson Station and you come up half a block away.
  • Convention Center garage parking is expensive on a weekend.

Our experience

The International Congress of Mathematicians meets once every four years, and it has not been in the United States since 1986. It is at the Convention Center this weekend, and two afternoons of it are open to the public for free. The Math Festival is run by the Julia Robinson Mathematics Festival crew, which means tables of hands-on puzzles and games rather than lectures. Kids sit down, get handed something to fiddle with, and a mathematician wanders over when they get stuck. Grab a free ticket on Eventbrite. It is indoors and air conditioned.

More details

Two free afternoons of hands-on math puzzles and games, open to the public

The International Congress of Mathematicians is the largest gathering in the mathematical world. It is held once every four years, and the 2026 congress in Philadelphia is the first time it has come to the United States since 1986. Most of the congress is for researchers, but the Math Festival is the part built for everyone else. Run by the Julia Robinson Mathematics Festival, it fills Hall E of the Pennsylvania Convention Center with tables of hands-on puzzles, games, and math art. There are no lectures and no competition. Kids sit down at a table, get handed something to work on, and a mathematician comes by to nudge them along when they get stuck. It runs Friday and Saturday afternoons, both days from 2 to 6 PM, and it is free. Tickets are released through Eventbrite and registration closes an hour before each session starts.

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