1. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes 1-1 Understanding Points, Lines, and Planes Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation Holt McDougal Geometry

2. 1-1 Understanding Points, Lines, and Planes Warm up- 8/25- On your Warm-Up Sheet, answer the following two questions. 1.Simplify this expression 65x + 3 + -4x 2.Evaluate this equation for z 9z - 2z + 11 when z=2

3. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes

4. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes Identify, name, and draw points, lines, segments, rays, and planes. Apply basic facts about points, lines, and planes. Objectives

5. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes point line plane collinear noncollinear Coplanar Noncoplanar Vocabulary

6. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes TermNameDiagram Point Line Plane

7. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes TermNameDiagram Collinear Noncollinear Coplanar Noncoplanar

8. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes Collinear, noncollinear, coplanar and noncoplanar M K L N

9. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes Example: Naming Points, Lines, and Planes A. Name four coplanar points. B. Name three lines. A, B, C, D Possible answer: AE, BE, CE

10. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes Name two points that determine line AC Name a point that is noncollinear with point A and C Name the points that determine plane ABC

11. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes Two cyclists start at the same point, but travel along two straight streets in different directions. If they continue, how many times will their paths cross again? Explain. Complete the following problem solving question. Work with your table partner and be ready to explain your answer.

12. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes Practice 1-1 Complete this practice sheet with your table partner. What you do not finish will be homework.

13. Holt McDougal Geometry 1-1 Understanding Points, Lines, and Planes Homework! Finish Pre-Assessment and Modules on my.hrw.com Finish Practice 1-1 if not finished in class Login information is on my webpage!