OR
1² , 2² and 3² are Perfect Squares

Any number can be a square.
Example: 20
You have to find out the square root of 20.
You can use your calculator and punch in √(square root) 20, or 20 √ if there is an error.
√20=4.472135955. OR 4.47.
HOMEWORK: Tell me what you know about squares.
Find out what you know about these squares: [1] [2] [3] [4] [5] [6] [7] [8] [9]