Video lesson shows how to compare the whole numbers 394 and 397 using a symbol. [2:04]

Take a look at this tutorial to learn what an inequality is and also learn the symbols that are associated with them. [1:51]

The purpose of this video is introduce and define the less than (<) sign. Students can watch a video tutorial and then take an online quiz.

In this video tutorial, Professor Perez demonstrates inequalities using a number line. [9:43]

This QuickTime movie provides an excellent opportunity to figure out what values different variables should have. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie provides an introduction to graphing and solving inequalities on the number line using several examples. A pdf worksheet is available by clicking on the hyperlink at the bottom of the page. As you watch and listen to...

This QuickTime movie provides an introduction to graphing and solving of inequalities in the first quadrant of the coordinate plane. As you watch and listen to the teacher and student interact it helps clarify the thinking behind...

Oscar shows us how to use greater than (>) and less than (<) symbols as we explore what goes on in the North Control Room.

This lesson demonstrates various uses for the most common math symbols. It is 13 of 16 in the series titled "Common Symbols."There is a short video tutorial in addition to mastery questions.

This QuickTime movie continues introducting to the concept of inequalities by substituting a variety of values for the variables in an inequality. As you watch and listen to the teacher and student interact it helps clarify the thinking...

This QuickTime movie provides an introduction to the concept of inequalities and how to use the inequality symbol. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

Activity provides students the practice they need to master the skill of comparing numbers. [1:49] Immediate feedback is given.