Perfect square means when two numbers that are the same are multiplied.
For example, 4 is a perfect square because it can be broken down to: 2 x 2
When 2 numbers that are the same are multiplied to form a third number, that number is the perfect square.
Some other perfect squares are: 9, 16, 25, 36, 49, 64, 81, 100
When broken down, it is
respectively.