1. Lesson: Introduction to Solids
Unit 8: Solids
Lesson: Introduction to Solids
Essential Questions: How can you determine the intersection of a solid and a plane? How can you calculate the surface area and volume of a solid? How do the surface and volume of similar solids compare?

2. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

3. Solids
The number of edges a polyhedron has is equal to half the sum of the number of sides of all its faces.
For example, the polyhedron shown has 7 faces, 2 pentagons and 5 quadrilaterals. Each pentagon has 5 sides while the quadrilaterals have 4. The total number of sides is = ÷2=15, so the polyhedron has 15 edges.
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

4. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

5. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

6. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

7. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

8. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

9. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

10. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

11. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

12. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

13. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

14. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

15. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

16. Goals: To recognize solids and their parts
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

17. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

18. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

19. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

20. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

21. Solids
Goals: To recognize solids and their parts. To visualize cross sections of solids.
Essential Understandings: You can analyze polyhedrons by using relationships between vertices, edges and faces and a sphere by its radius.

22. Solids
Homework:
Worksheet 12.1
1-3 (pick 2), 4-6 (pick 2), 7-9 (pick 2), Do either or 14-17, (Pick 1; sketches don’t have to be perfect)