Inequalities
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Lesson Summary:
Inequalities are a way to compare two numbers and determine if one is greater than, less than or equal to the other. By using a number line, students can visually see which number is greater or less than the other. The symbols used in inequalities are > (greater than), < (less than), ≥ (greater than or equal to) and ≤ (less than or equal to). It is important to understand the difference between these symbols and how to determine if a statement is true or false.
Lesson Description:
Introduction to writing inequalities and determining if they are true or false.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
- What are inequalities?
- How do you write and graph inequalities?
- What do the < and > symbols mean?
- How can you tell if a number is less than or greater than another number using a number line?
- How do you know if 0 < -1?
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Staff Review
The terminology, symbols, and ideas about inequalities are explained in this video. The less than, <, and greater than, >, signs are defined and used to determine whether certain statements are true or false. The less than or equal to and greater than or equal to signs are also used. Many example statements are written, and you will learn how to determine if they are true or false.
