1. The difference between prisms & pyramids. “It’s all about how you slice it!”

2. Pyramids and prisms are specific kinds of polyhedra. The word polyhedra is the plural form of polyhedron.

3. A polygon is a 2-dimensional shape.

4. A polyhedron is a 3-dimensional shape.

13. Presto! A triangular prism!

24. Presto! A triangular pyramid!

32. Presto! A square prism!

40. Presto! A square pyramid!

41. A prism is made of congruent shapes.

42. A pyramid is made of similar shapes that get smaller and smaller.

43. If you know the names of common polygons, then naming a prism or pyramid will be easy for you.

44. Look at the polygon on the bottom of the shape.

45. This polygon is a rectangle.

46. This shape is a rectangular prism.

47. This shape is a rectangular pyramid.

48. This is a pentagon.

49. This is a pentagonal prism.

50. This is a pentagonal pyramid.

51. This is an octagon.

52. This is an octagonal prism.

53. This is an octagonal pyramid.

54. If you know the common polygons and if you know the difference between a prism and a pyramid, naming these shapes is easy.

55. The only unique name that you have to remember is the “cube.”

56. A cube is a specific kind of rectangular prism.

57. A rectangular prism that has 6 congruent faces is called a cube.

63. A sphere is the set of all points in space that are the same distance from a point, the center of the sphere. A hemisphere is created when a sphere is cut in half.

64. Surface Area of a Sphere Surface area = 4 π (radius) 2 S = 4 π r 2 C Radius

65. Find the Surface Area of a Sphere Find the surface area of the sphere. Round your answer to the nearest whole number. a. The radius is 8 in. 8 in.

66. Find the Surface Area of a Sphere Find the surface area of the sphere. Round your answer to the nearest whole number. b. The radius is 5 cm. 10 cm.

67. Volume of a Sphere Volume = radius C

68. Find the Volume of a Sphere Find the volume of the sphere. Round your answer to the nearest whole number. a. 2 ft.

69. Find the Volume of a Sphere Find the volume of the hemisphere. Round your answer to the nearest whole number. b. A hemisphere has half the volume of a sphere. a 5 in.

70. Find the Volume of a Sphere Find the volume of the sphere. Round your answer to the nearest whole number. a. 6 in.

71. Assignment Worksheet 24 and 26 in packet