Instructional Video4:14
Curated OER

How Do You Graph an Inequality on a Number Line?

6th - 12th
The teacher shows how draw a number line and graph an inequality using an open circle. She also shows how to graph a set of numbers on a number line.
Instructional Video3:02
Curated OER

How Do You Write an Inequality from a Number Line Graph?

6th - 12th
The instructor demonstrates how to read a number line graph to write an inequality. There are several steps involved which are explained clearly.
Instructional Video2:40
Curated OER

How Do You Graph the Intersection of Two Inequalities?

8th - 11th
Intersection. Isn't that where paths cross? And so it is in math also. Observe the teacher as she draws a number line and plots two inequalities on it. She then explains how to get the intersection of these two lines. Then she draws...