1. Points, Lines, and Planes
Lesson 1-2
Points, Lines, and Planes

2. Ohio Content Standards:

3. Ohio Content Standards:
Formally define geometric figures.

4. Ohio Content Standards:
Formally define geometric figures.
Recognize and explain the necessity for certain terms to remain undefined, such as point, line and plane.

5. Vocabulary:

6. Vocabulary:
Point :

7. Vocabulary:
Point : Has no size
: Named by using capitol letters

8. Vocabulary:
Line :

9. Vocabulary: Line : Made up of an infinite number of points
: Arrows show that the line extend
without end in both directions
: Can be named with a single
lowercase script letter or by
two points on a line

10. Use the figure below:

11. Use the figure below: d A B

12. Use the figure below: d A B
Name two points on the line.

13. Use the figure below: Name two points on the line.d A B
Name two points on the line.
Give three names for the line.

14. Vocabulary:

15. Vocabulary:
Collinear :

16. Vocabulary:
Collinear : Points that lie on the same line

17. Vocabulary:
Noncollinear :

18. Vocabulary:
Noncollinear : Points that DO NOT lie on
the same line

19. Name three points that are collinear and three points that are noncollinear.

20. Name three points that are collinear and three points that are noncollinear.Q

21. Vocabulary:

22. Vocabulary:
Ray :

23. Vocabulary: Ray : Has a starting point and extends
forever in one direction.

24. Vocabulary:
Line segment :

25. Vocabulary: Line segment : Part of a line containing
two endpoints and all
points between them
: Is named using its
endpoints

26. Vocabulary:
Plane :

27. Vocabulary: Plane : A flat surface that extends
without end in all directions

28. Vocabulary:
Coplanar :

29. Vocabulary:
Coplanar : Points that lie in the same
plane

30. Vocabulary:
Noncoplanar :

31. Vocabulary:
Noncoplanar : Points that DO NOT lie
in the same plane

32. Name three line segments and one ray.F G

33. Assignment: Pgs. 16 – 17 2 – 28 evens 34 – 38 evens