A negative number is a number less than zero.
Negative numbers are indicated by using a minus symbol (-) in front of the number.
If no symbol is shown the number is assumed to be positive.
On a number line, negative numbers are numbers to the left of zero.
Negative integers: -10, -15
Negative rational numbers expressed in decimal form: -0.46, -12.5, -0.7, -15.55, -34.0, -55.0, -15, -12
Negative rational numbers expressed as fractions (or mixed numbers):