On a 10x10-Geoboard, a square is spanned with red rubber bands - its [br]area is highlighted in blue. By moving the yellow point you can change [br]the side length of the square.

(1) Move the yellow point and observe the representation. What do you observe? [br](2) Describe how the perimeter of the square changes as you increase or decrease the side length Examine how the area of the square changes when you change the side length Determine perimeter and area for following side lengths a: 0 cm, 1 cm , 2 cm, 5 cm, 8 cm, and 10 cm!