What is a square or square root of a number?

Well, talking math, square and square root are two different math terms.

Square: Square can mean to square a number, which means to multiply it by itself. Such as, 6 squared is written as a 6 with a little 2 in the top right corner. So, you multiply 6 of 6 to get 36. You can do that with any number in the world.

Square Root: Square Roots of numbers are very simply to comprehend. If you want to square root 36, you find the number that when multiplied by itself equals that number. So its basically the opposite of Squaring a number.