RATIONAL+NUMBERS

Numbers that can be written 1) in the form of a/b where a and b are integers and b not equals to 0. They don't have to be fractions but can be decimals 0.125 or 1.24 or decimals with a recurring last digit, like 0.111111111111....., 0.3333333333, 2.66666666666........

OR

2) as a ratio of two numbers, x and y where y is not zero.

Watch these useful videos to understand rational numbers:


 * 1) Middle School Youtube video on rational numbers - VIdeo also show the non-examples.
 * 2) Plettski I like the way he expressed the rational numbers in points along the number line, and learn how to do comparison between the various rational numbers.