What is a square number?
Q: What is a square number?
A: A square number is the result of an integer multiplied by itself.
Q: Can you give some examples of square numbers?
A: Yes, 1, 4, 9, 16, and 25 are the first five square numbers.
Q: How do you represent the square of a number in a formula?
A: The square of a number n is denoted n2 (exponentiation), usually pronounced as "n squared".
Q: Why are they called square numbers?
A: Square numbers are named after the shape they make when represented in the form of a square.
Q: Are square numbers always positive?
A: Yes, square numbers are always non-negative.
Q: How can you tell if a number is a square number?
A: A (non-negative) number is a square number if its square root is again an integer.
Q: Can you give an example of how to tell if a number is a square number?
A: For example, the square root of 9 is 3, so 9 is a square number.
