Winter 2021 Math Contest

Our INTEGIRLS STL/Missouri Winter Math Contest has concluded. The scoreboard and test solutions are below.

Join us for our winter 2021 math contest and compete against other teams of high school or middle school female students! No experience is necessary. There will be fun games & prizes (estimathon, trivia, guest speakers, and more!)

Date: December 4, 2021

Time: 12:00 - 3:30 PM CT

Location: Online. The Zoom link will be sent to registrants closer to the competition date.

We will also be hosting a game and math review session on Wednesday, December 1st at 8 PM CT. You will have the opportunity to play fun games with your team, review math concepts for the contest, and meet others all over the country! Sign up for the session by registering for the contest.

Contest Information

Who can participate?

This competition is for female-identifying students in Missouri and the surrounding areas. There will be a middle school and high school division.


The winter math competition consists of both individual and team rounds. No experience in competition math is required!


Teams will consist of 1-4 members. If you want, we can pair you up with other interested students!


Prizes will be awarded to the top scoring teams provided by our sponsors.

Past inteGIRLS Math Competitions

Check out the spring 2021 inteGIRLS STL/MO contest here. The fall 2020 contest is here. Past problems from the DC 2019 contest are here.


Are you a parent, teacher, or high school junior/senior? You can sign up to volunteer at our winter math competition here!


St. Louis Scoreboard INTEGIRLS Winter 2021