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

2. 2 Perimeter Triangles have 3 sides…add up each sides length. 8 8 8 8+8+8=24 The Perimeter is 24.

3. 3 Perimeter A square has 4 sides for the fence. 12 12+12+12+12=48 The perimeter is 48.

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

5. 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) 2 3 4 1