In this 7-minute video grade 4 teacher Todd Hausman explains and demonstrates how his students apply their understanding of elapsed time and the time/rate/distance relationship to follow the progress of mushers in the Iditarod sled dog race in Alaska. Using real-time tracking data, students collaborate to find the mean (average) traveling speed of their chosen Iditarod musher, and predict their arrival time at checkpoints. This resource includes a lesson plan and transcript of the video (downloadable .doc files) and a link to the teacher page of the official Iditarod website.


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