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ICE-EM Mathematics Secondary 1A: Homework Sheet
Chapter 9: Measurement
Section 9C: The unitary method
Section 9D: Perimeter
1
If three litres of milk costs $4.65, what is the cost of five litres of milk?
2
If 6 packets hold 360 g of marshmallows, how many packets are required for 1200 g of
marshmallows?
3
If 5 kg of apples cost $14.90, find the cost of 7.5 kg of apples.
4
If 3 metres of fabric cost $48.00, find the cost of 4 metres and 60 centimetres.
5
6 kg of bread flour can be bought for $9.00. At this price, what would be the cost of
4700 g of bread flour?
6
Which is cheaper per metre: 2.4 m of rope for $15.60, or 378 cm of rope for $18.90?
7
Draw three different triangles with a perimeter of 28 cm.
8
Find the perimeter of each of these figures.
a
b
c
23cm
15mm
17mm
6m
32 cm
14.5cm
d
2m
e
6m
15m
36m
30m
3.6m
f
42.8cm
26cm
7m
6.8m
67cm
20m
2.3m
9
27cm
24mm
12m
95.4cm
103cm
43.6m
A rectangle has perimeter 38 cm and width 9 cm. What is the length of the rectangle?
10 Calculate the perimeter of a rectangle with length 5.2 m and width 8.4 m.
11 Write an algebraic expression for the perimeter of the following figure:
xm
ym
2m
6m
© Australian Mathematical Sciences Institute 2006
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