Students find the perimeter of a rectangle by adding the lengths of the sides. They simplify the expression into two additions using the associative property, then solve
A. Identify the perimeter of a polygon
B. Measure and add to find the perimeter of a polygon
C. Find the perimeter of a triangle
E. Find the perimeter of a polygon
F. Find the perimeter of a pentagon
G. Find the length of an unknown side of a triangle
H. Find the length of an unknown side of a quadrilateral
I. Find the perimeter of a equal-sided polygon using multiplication