Real Number
Rational Number
Irrational Number
Real Number: Any number that can be found on the number line, including both rational and irrational numbers.
Rational Number: Any number that can be expressed as a fraction, where the numerator and denominator are integers and the denominator is not zero.
Irrational Number: Any number that cannot be expressed as a fraction, such as the square root of 2 or pi. Irrational numbers have non-repeating, non-terminating decimal representations.