Definition:
A "real number" is a type of number that includes both rational numbers (like integers and fractions) and irrational numbers (like the square root of 2 or pi). In simpler terms, real numbers can be any number you can find on a number line.
A "real number" is a number that can be either rational or irrational, which means it can be a simple whole number, a fraction, or a decimal that goes on forever without repeating.