1. Warm Up

2. At the end of the class each student should be able to identify and create points, lines, and planes.

3. Why does a four-legged chair sometimes wobble?
Will a three legged chair wobble?

4. A point is simply a location.

5. A line is made up of points and has no thickness or width.

6. Points on the same line are said to be collinear.

7. A plane is a flat surface made up of points.
Points that lie on the same plane are said to be coplanar.

8. Examples of a point.

9. Example of a line.

10. Example of a plane.

11. What is this an example of?

12. Homework: Lesson 1-1, p. 9 #13-28 30-37 56 & 57 (26 problems)