NCTM is conducting a series of one hundred, 60-minute webinars presented by selected speakers who would have presented at the NCTM Centennial Annual Meeting & Exposition in Chicago. Each webinar will be held at 5:00 pm mountain time on 100 selected days from April 1 leading up the October 2020 Annual Meeting & Exposition in St. Louis. Webinars will be recorded and made available at www.nctm.org/100 up to the St. Louis Annual Meeting.