Read Yertle the Turtle to the class. Discuss how Yertle defined region. Brainstorm ways humans define region write list on overhead. Discuss conflict created between Yertle and the other turtles, as Yertle wanted to increase the area he ruled. Have students draw a map divided into regions.
Students having trouble can refer to brainstorm list.
A scoring guide is not necessary for this lesson. Through brainstorming and discussion, the teacher can monitor the students' understanding of the concept of region.