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Contents
Introduction
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Inequalities
What is an inequality? Let say there are y students at a funfair: If there are 200 students, we write y=200. This is an equation. It has only one answer, i.e. y has only one value If there are more than 200 students, we write y>200. This is an inequality. It has many answers, i.e. y can have any numerical value ranging from 0 to 199. 
What are
the inequality signs?
There are 4
inequalities sign you need to know. They are ">",
"<", "
 "
& " "
> means
greater than
< means less
than
means greater than or equal to
means less than or equal to
Why learn
Inequalities?
Inequalities are
used in traffic signs all over the world. For example, a sign with the number
90 written on it tells you that your driving speed must be
90km/h. Thus you can see that inequalities are used in daily lives.
Inequalities are also used to help solve other types of math problem like
equations.
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