1. Polyhedrons and their Nets

2. Triangular Prism
5 faces
2 congruent triangles
3 rectangles

3. Triangular Pyramid (tetrahedron)
4 faces
4 congruent triangles

4. Rectangular Prism
6 faces
3 pairs of congruent rectangles

5. Rectangular Pyramid
5 faces
2 pairs of congruent triangles
1 rectangle

6. Pentagonal Prism
7 faces
2 congruent pentagons
5 congruent rectangles

7. Pentagonal Pyramid
6 faces
1 pentagon
5 congruent triangles

8. Hexagonal Prism
8 faces
2 hexagons
6 congruent rectangles

9. Hexagonal Pyramid
7 faces
1 hexagon
6 congruent triangles

10. Prism definition A solid figure with:
two congruent and parallel faces that are polygons
The rest of the faces are rectangles
The number of sides that the polygon has at the base tells the number of rectangles

11. Pyramid definition A solid figure with: A polygon as the base
The rest of the faces are triangles that share one vertex
It is named for its base

12. Prisms and Pyramids in real life

13. Prisms and Pyramids in real life

14. Prisms and Pyramids in real life

15. Textbook Page 180 #5 Match the net to the 3D object
Triangular pyramid (tetrahedron)

16. Match the net to the 3D object
Textbook Page 180 #5
Match the net to the 3D object
Triangular prism

17. Match the net to the 3D object
Textbook Page 180 #5
Match the net to the 3D object
Hexagonal prism

18. Textbook Page 180 #5 Match the net to the 3D object
Cube with a square based pyramid on top

19. Textbook Page 181 #7 Is this the net of a right octagonal prism? 1 2 1
All the required faces are present but not in the correct locations.

20. Textbook Page 223 #2a
What does this net form?
Hexagonal Prism

21. Textbook Page 223 #2b
What does this net form?
Cube

22. Textbook Page 223 #2c
What does this net form?
Cylinder

23. Textbook Page 223 #2d
What does this net form?
Pentagonal Pyramid

24. Textbook Page 223 #3a
Which one is a net?
How can we fix this one?

25. Yes! Pentagonal Pyramid
Page 223 #4a
Is it a net?
Yes! Pentagonal Pyramid

26. Yes! Triangular pyramid
Page 223 #4b
Is it a net?
Yes! Triangular pyramid

27. It can be the net of a right triangular prism
Page 223 #4c
Is it a net?
No!
But if we change it . . .
It can be the net of a right triangular prism

28. Page 226 #3
Which diagrams are nets of cylinders?