1. Surface area and volume: Surface area of a cuboid
Silent
Teacher
Intelligent Practice
Narration
Your Turn
Example
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2. Worked Example
Your turn
6cm
10cm
10cm
8cm
8cm
6cm
Calculate the total surface area of the cuboid.
Calculate the total surface area of the cuboid.
@mathsmrgordon

3. Worked Example
Your turn
6cm
10cm
10cm
8cm
8cm
6cm
Calculate the total surface area of the cuboid.
Calculate the total surface area of the cuboid.
8 x 6 = 48cm2
10 x 6 = 60cm2
8 x 10 = 80cm2
x 2 = 96cm2
x 2 = 120cm2
x 2 = 160cm2
= 376cm2
@mathsmrgordon

4. @mathsmrgordon 4cm 8cm 8cm 80cm 5cm 5cm 4cm 40cm 4cm 4cm 5cm 50cm 4cm
Front and Back
Right side and left side
Top and bottom
Total surface area
Front and Back
Right side and left side
Top and bottom
Total surface area
Front and Back
Right side and left side
Top and bottom
Total surface area
Front and Back
Right side and left side
Top and bottom
Total surface area
4cm
40cm
4cm
40cm
0.2cm
2cm
200cm
20cm
25cm
250cm
25cm
25cm
Front and Back
Right face and left face
Top and bottom
Total surface area
Front and Back
Right face and left face
Top and bottom
Total surface area
Front and Back
Right face and left face
Top and bottom
Total surface area
Front and Back
Right side and left side
Top and bottom
Total surface area
@mathsmrgordon

5. @mathsmrgordon 4cm 8cm 8cm 80cm 5cm 5cm 4cm 40cm 4cm 4cm 5cm 50cm 4cm
Front and Back
32cm2
Right and left
40cm2
Top and bottom
Total surface area
112cm2
Front and Back
64cm2
Right and left
80cm2
Top and bottom
40cm2
Total surface area
184cm2
Front and Back
80cm2
Right and left
64cm2
Top and bottom
40cm2
Total surface area
184cm2
Front and Back
8000cm2
Right and left
6400cm2
Top and bottom
4000cm2
Total surface area
18400cm2
4cm
40cm
4cm
40cm
0.2cm
2cm
200cm
20cm
25cm
250cm
25cm
25cm
Front and Back
40cm2
Right and left
1.6cm2
Top and bottom
10cm2
Total surface area
51.6cm2
Front and Back
20000cm2
Right and left
160cm2
Top and bottom
1000cm2
Total surface area
21160cm2
Front and Back
200cm2
Right and left
1600cm2
Top and bottom
10000cm2
Total surface area
11800cm2
Front and Back
2000cm2
Right and left
1600cm2
Top and bottom
1000cm2
Total surface area
4600cm2
@mathsmrgordon