Virtual Nerd: How Do You Graph an Inequality or an Infinite Set on a Number Line

Using a number line can provide students with a concrete representation of the value various numbers hold. Sal plots 6 different numbers on a number line. He includes whole, decimal, and negative numbers.

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.

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.

This tutorial will teach you how to graph the union of two inequalities using a number line. [2:06]

The intersection of two inequalities is what they have in common. This tutorial shows you how to graph two inequalities on the same number line and then find the intersection. [2:40]

To graph a function, you first need a table of values to fit your equation. This video will demonstrate how to make a table and then plot those values to make a graph. [3:23]

Probability is the likelihood that a given event will take place. So how do you determine the probability of a simple event? Watch this example using marbles for an explanation. [4:36]

Given a number line, how do you write the corresponding inequality? Watch this video for an explanation and example. [2:20]

Learn how to solve an inequality using the subtraction property. This video will demonstrate the process using a number line. [3:49]

Graph a set of numbers on a number line by placing a dot on the number line to represent each number in the given set.