Real Numbers

Type of Number

100

Square root of 7

Irrational

200

-17.6

Rational

300

0, 9, 22, 1

Natural Number

Whole Number

Integer 

Rational 

400

square root of 81

Natural Number

Whole Number

Rational Number

Integer Number

500

4.53896972856581105....

irrational

Definitions

100

Rational 

~ Repeating decimals

~ decimals

~ fractions 

200

Integer 

positive and negative whole numbers

300

Whole Numbers 

~ positive numbers without a fraction and includes 0.  

400

Natural Numbers

~ positive numbers without a fraction does not includes 0.  

500

Irrational Numbers

cannot be represented as a fraction.