What are square numbers?
Square numbers are the product of an integer multiplied by itself.
They're called square numbers because they can form a square.
What are square roots?
Square roots are the number that were multiplied to get a squared number.
Real life uses for square numbers
If you need to replace your floor tiles and your room is a square, measure a side of the room and times the measurement by itself and the result is how many floor tiles you need.