This QuickTime movie provides more information about the basic concept of integers, positive and negative numbers, using the number line. As you watch and listen to the teacher and student interact it helps clarify the thinking behind...

This QuickTime movie provides an introduction to the concept of integers - positive and negative numbers. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie teaches three different ways to understand opposite integers - positive and negative numbers. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.