Maintenance Notification: Please note that web services requiring account login will be unavailable on Sunday, September 25 from approximately 7:00 a.m. until 2:00 p.m. ET for scheduled maintenance. Impacted services that will be unavailable during that time include My NCTM, creating an NCTM online account, conference registration, conference proposal submission, joining or renewing membership, commenting on blog posts and content, and purchasing articles and products. We apologize for the inconvenience.

You Had to Be There!

  • You Had to Be There!

    Donna Kotsopoulos, Duane Heide
    Engaging in dialogue about the implications of mathematics demonstration classrooms becomes a form of professional development for teachers in communities of practice.

    Add Comment

    Text Only 2000 character limit

    Page 1 of 1