1. Symbols & Terms Write a paragraph using each of the following words: pointlineplane segmentrayangle

2. Identify examples of points, lines, and planes in each of these pictures.

3. Symbols & Terms Explain, in your own words, what point, line and plane mean.

4. Description - a location in space Drawing -- Notation - Real world example point Description - a set of points that extends in two directions without end; it has length but no thickness Drawing -- Notation - Real world example line Description - a flat surface that extends in all directions without end; it has no thickness Drawing -- Notation - Real world example plane

5. Symbols & Terms Description - a location in space Drawing –- Notation - Real world example point

6. Description - a set of points that extends in two directions without end; it has length but no thickness Drawing -- Notation - Real world example line Symbols & Terms

7. Description - a flat surface that extends in all directions without end; it has no thickness Drawing -- Notation - Real world example plane Symbols & Terms

8. Collinear (co-linear) means on the same line. –Any two points are collinear. –More than two points may or may not be collinear.

9. Symbols & Terms Coplanar (co-planar) means on the same plane. –Points and/or lines may be coplanar. –Any three points are coplanar. –More than three points may or may not be coplanar.

10. Symbols & Terms Description - points that are on the same line Drawing –- Notation - Real world example collinear points

11. Symbols & Terms Description - points that are in the same plane Drawing –- Notation - Real world example coplanar points

12. Symbols & Terms Description - lines that are in the same plane Drawing –- Notation - Real world example coplanar lines

13. Name three balls that are collinear. Ball A is in the guy’s pocket. Ball C is on the girl’s racket. All other balls are on the tennis court.

14. Name three balls that are coplanar but not collinear. Ball A is in the guy’s pocket. Ball C is on the girl’s racket. All other balls are on the tennis court.

15. Name four balls that are not coplanar. Ball A is in the guy’s pocket. Ball C is on the girl’s tennis racket. All other balls are on the tennis court.

16. Symbols & Terms Name each line in three different ways. Draw. Don’t forget to use arrowheads to show that it extends indefinitely. mE P A R T

17. Symbols & Terms Intersecting lines are lines that meet. –Lines intersect at a point. Intersecting planes are planes that meet. –When planes intersect, a line is formed.

18. Symbols & Terms Description - lines that meet Drawing –- Notation - Real world example intersecting lines

19. Symbols & Terms Description - planes that meet Drawing –- Notation - Real world example intersecting planes