Winter Break Math Challenge Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: December 22, 2023 – January 7, 2024 all-day 2023-12-22T00:00:00-05:00 2024-01-08T00:00:00-05:00 Winter Break 2023 Math Challenge Flyer