04:23
Number Line, The: Inequalities on the Number Line
This clip demonstrates how "less than" and "greater than" look on the number line. We learn that with any two whole numbers that are not equal, the greater number will always appear on the right, and the smaller number always appears on the left.
02:17
Multiplying and Dividing Both Sides of an Inequality by a Negative Number
It is necessary to reverse the inequality symbol whenever you multiply or divide by a negative number.
01:59
Writing Compound Inequalities
Step-by-step demonstration of combining inequalities.