A square is a quadrilateral (4-sided) figure
that has all sides equal length, opposite sides parallel
and adjacent sides
perpendicular to each other.
Here is a square with sides 5 inches long:
Most floor tiles are squares. Can you find other squares around you?
Now, here's a problem for you:
How many squares are in this figure?
No. squares = ____
(careful! the answer is not 9!)