03:26
Signed Numbers: Absolute Value
Using a number line as a frame of reference, this clip explains that "Â…the absolute value of a number is its distance from the origin" So, negative 3 and positive 3 both have the same absolute value of 3. "We think of absolute value as an ordinary ...
03:57
Number Line, The: Introduction to the Number Line
This clip explains the concept of the number line, a kind of road map on which every whole number has a corresponding point. The points are in order, just like the numbers, and the distances between them are equal.