1 Perimeter To calculate the perimeter of any shape, just add up “ each ” line segment of the “ fence ”.

2 Perimeter Triangles have 3 sides…add up each sides length =24 The Perimeter is 24.

3 Perimeter A square has 4 sides for the fence =48 The perimeter is 48.

4 Area Area is the ENTIRE INSIDE of a shape It is always measured in “ squares ” (sq. inch, sq ft)

5 AREA Square units means “ that ” many squares fit inside that shape (if measured in feet…it ’ s feet…if meters…it ’ s meters. In this example the area is 4 square units…note 4 squares fit)