Vocabulary
Characteristics of 3D Shapes
Naming Polyhedron
Finding Area
Finding Surface Area
Finding Surface Area of a Net
Miscellaneous
100
These are flat surfaces on a solid shape.
Faces
100
The number of faces a cube has.
6
100
What is the name of the polyhedron?
1. Square Prism
2. Rectangular Prism
3. Cube
100
Find the area of a rectangle whose base is 24 in. and height is 12 in.
Don't forget the units.
288 square inches
100
Find the surface area of a rectangular prism with sides 10 cm, 2 cm, and 4 cm.
Don't forget the units.
136 square cm
100
Find the surface of the following net.
54 square units
100
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200
This is the point where three or more edges meet on a solid figure. Hint: "Think corner"
Vertex
200
The number of faces on a triangular pyramid.
4
200
What is the name of the polyhedron?
Rectangular Prism
200
Find the area of a parallelogram whose base is 9in. and height is 14 in.
Don't forget the units.
126 square inches
200
Find the surface area of a cube with sides 7 cm long.
Don't forget the units.
294 square cm
200
Find the surface area of the following net.
52 square inches
200
What's one of the two strategies you can use to find the area of a polygon?
Look at page 35 in your notes for a hint.
1. Cut & rearrange into a simpler shapes
2. Add area to create a larger simple shape and then subtract the area you added
300
This is the place where two faces meet. They are always straight and cannot be curved.
Edge
300
The number of edges on a rectangular prism.
12
300
What is the name of the polyhedron?
Triangular Pyramid
300
Find the area of a triangle with a base of 5 cm and a height of 4cm.
Don't forget the units.
10 square cm
300
The surface area of rectangular prism with sides 16 m, 10 m, and 5 m.
Don't forget the units.
580 square m
300
Find the surface area of the following net.
Don't forget the units.
48 square units
300
Error Analysis: Ashley found the area of the following figure to be 48 square cm.
Is she correct? If no, explain why?
No, Ashley is incorrect because she forgot to divide the base x height by 2.
400
This is a 5-sided polygon.
Pentagon
400
The number of edges a sphere has.
0
400
What is the name of the polyhedron?
Triangular Prism
400
Find the area of one face of a cube with sides that are all 11 cm.
Don't forget the units.
121 square cm
400
Find the surface area of the shape.
Don't forget the units.
312 square feet
400
Find the surface area of the following net.
Don't forget the units.
912 square units
400
Error Analysis: Look at the work Cal did to find the surface area of the following figure. What mistake did he make?
SA = (b*h)+(w*h)+(h*w)
SA = (10*6)+(4*6)+(10*4)
SA = 60+24+40 = 124 sq cm
Forgot to double area of each face for surface area rectangular prism
Cal forgot to double the area of each face to find the surface area of the total figure. Cal only found the area of the front, top, and one side (3 out of 6 faces).
500
A 3D shape with flat sides is called a ___________.
Polyhedron
500
The number of vertices on a rectangular prism.
8
500
What is the name of the polyhedron?
1. Square Pyramid
2. Rectangular Pyramid
500
Find the area of the following polygon.
Don't forget the units.
135 square feet
500
What is the surface area of rectangular prism with sides 80 in, 36 in, and 2 in.
Don't forget the units.
6,224 square inches
500
Find the surface area of the following polyhedron.
Don't forget the units.
245 square inches
500
Error Analysis: Harvey was trying to find the surface area of the following figure and did 12 x 8 x 3 (base x height x width) to get his final answer. If that correct?
No, Harvey ended up finding the volume of the shape instead of the surface area.