Math Day: High School Math Event at Colorado State University – Department of Mathematics

$Green background with mathematic equations and circular designs. Text reads: math Day. Est. 1977. November 5, 2026$

Save the Date

Math Day 2026 is Thursday, November 5th, at Colorado State University, Fort Collins, Colorado.

Doors open for registration check-in and the Math Fair at 7:30-8:30 am, and main events run from 9:00 am – 4:00 pm. Guest lecture is at 9 am, Trevor Hyde, Assistant Professor in the Department of Mathematics and Statistics at Vassar College.

About Math Day

Since 1977, the Department of Mathematics has hosted Math Day, which is a full day of exploration in Mathematics for High School students. This event brings in around 500 High school mathematics students in Colorado and the surrounding states every year.

Purpose of Math Day

Broaden students’ interest, excitement and opportunities within mathematics
Build connections and knowledge sharing among educators
Extend our resources, as the Mathematics Department at CSU, to our community

Main Events

Math Day offers something to connect every student with mathematics:

Guest Lecture: Trevor Hyde, Assistant Professor in the Department of Mathematics and Statistics at Vassar College: 9 am
Team Competition: A quiz-bowl style tournament involving three-member teams for both small and large schools: All day/times vary
Student Project Math Fair: 9 am – 1 pm. Students can bring projects and be awarded prizes from these five categories:
- Expository: History, Biography & Theory of Mathematics
- Artistic and Recreational Mathematics
- Data Visualization or Mathematics
- Original Mathematical Research
- Mathematics in Education/Teaching
Open house for mathematical-themed activities: 7:30 am – 2 pm and scheduled workshops (Times: TBD)

Registration

Web registration will open September 1st, 2026. We ask that you register once per school and appoint one sponsor as a contact who will accompany students at the Math Day Event.