1. Identify and model points, lines, and planes.
Identify intersecting lines and planes.
Splash Screen

2. Mathematical Practices 4 Model with mathematics.
Content Standards
G.CO.1 Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.
Mathematical Practices
4 Model with mathematics.
6 Attend to precision.
CCSS

3. undefined term definition defined term space point line plane
collinear
coplanar
intersection
Vocabulary

4. Concept

5. Concept

6. A. Use the figure to name a line containing point K.
Name Lines and Planes
A. Use the figure to name a line containing point K.
Example 1

7. B. Use the figure to name a plane containing point L.
Name Lines and Planes
B. Use the figure to name a plane containing point L.
Example 1

8. A. Use the figure to name a line containing the point X.
B. Use the figure to name a plane containing point Z.
Example 1a

9. A. Name the geometric shape modeled by a 10  12 patio.
Model Points, Lines, and Planes
A. Name the geometric shape modeled by a 10  12 patio.
B. Name the geometric shape modeled by a button on a table.
C. Name the geometric shape modeled by a colored dot on a map used to mark the location of a city.
D. Name the geometric shape modeled by the ceiling of your classroom.
Example 2

10. Draw a surface to represent plane R and label it.
Draw Geometric Figures
Draw a surface to represent plane R and label it.
Example 3

11. Draw a line anywhere on the plane.
Draw Geometric Figures
Draw a line anywhere on the plane.
Example 3

12. Draw dots on the line for point A and B. Label the points.
Draw Geometric Figures
Draw dots on the line for point A and B. Label the points.
Example 3

13. Draw Geometric Figures
Example 3

14. Draw dots on this line for point D and E. Label the points.
Draw Geometric Figures
Draw dots on this line for point D and E. Label the points.
Example 3

15. Label the intersection point of the two lines as P.
Draw Geometric Figures
Label the intersection point of the two lines as P.
Example 3

16. Draw Geometric Figures
Answer:
Example 3

17. Draw Geometric Figures
Answer:
Example 3

18. A. Choose the best diagram for the given relationship
A. Choose the best diagram for the given relationship. Plane D contains line a, line m, and line t, with all three lines intersecting at point Z. Also, point F is on plane D and is not collinear with any of the three given lines.
A. B C. D.
Example 3a

19. Example 3b

20. A. How many planes appear in this figure?
Interpret Drawings
A. How many planes appear in this figure?
Example 4

21. B. Name three points that are collinear.
Interpret Drawings
B. Name three points that are collinear.
Example 4

22. C. Are points A, B, C, and D coplanar? Explain.
Interpret Drawings
C. Are points A, B, C, and D coplanar? Explain.
Example 4

23. Interpret Drawings
Example 4

24. Homework
Page 8 (13-35)
CCSS