Math 9. Volume and surface area worksheet.
Name:
Date:
Score:
Sec 1. Find the area of each shape. Where necessary round to two decimal places.
Don’t forget your units. Show all of your work.
a)
b)
6 cm
13m
10m
4cm
12m
c)
d)
2.3mm
6cm
4.5cm
6cm
e)
f)
8cm
7cm
6cm
12cm
4m
11m
Sec 2. Find the area (harder)
a)
b)
3m
7m
8m
20cm
20cm
5m
Sec 3. You are trying to paint a wall in your house. The wall is 3.1m high and is 5.7m
long.
a) How many square meters wall do you need to paint?
b) If it costs $3.50 per square meter how much will it cost to paint the wall?
Sec 4. Find the missing Dimension.
a) Area = 32m2
b) Area = 225m2
x
15m
4m
h
25m
x = _____
h = ______
10m
Sec. 5. Calculate the surface area and volume of each figure.SHOW YOUR WORK
a)
b)
8cm
10m
3cm
15cm
9m
7m
7m
c)
14cm
10cm
11cm
8cm
Sec 6. Find the missing dimension. Round to two decimal places where necessary.
SHOW YOUR WORK
a) Volume = 400 m3
b) Volume = 70cm3
5cm
h
x
5m
10 m
x = ____
4cm
h = _____
Sec 8. A students bedroom is 4m long, 5m wide and 3meters high.
a) What is the volume of the room?
b) If the student wants to paint all the walls and the ceiling how many square meters
worth of paint does she need? (draw a picture and show all your work)