This QuickTime movie provides an opportunity to identify square numbers with a literature connection to "Sea Squares" by Joy N. Hulme. Then the data is organized in a table and graphed. As you watch and listen to the teacher and student...

This QuickTime movie provides a great literature connection to introduce the concept of time zones. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie provides a great checklist for students who might like to write a time zone book. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.