1.3b Converting between SI and Imperial Systems
**It is crucial to work with the same units when solving problems involving measurement**
1. Convert each measurement to the unit specified.
a) A person weighs 58.7 kg (nearest lb)
b) A person is 172.7 cm tall (nearest tenth of a foot)
c) A road is 30 mi 220 yd long (hundredth of a kilometre)
2. Which is higher? A stack of 15 books that are 1 3/4 inches each or 10 encylopedias that are
63.5 mm each? By how much? (nearest hundredth of a cm)
3. A truck driver knows that his load is 15 ft wide. Regulations along his route state that
any load over 4.3 m wide must have wide-load markers and an escort with flashing lights.
Does this vehicle need the markers?
4. How many laps around the track is equivalent to one mile?
5. A map of Alberta has a scale of 1:4 590 000. the distance on the map between
Edmonton and Calgary is 23/8 inches. What is the actual distance in miles?
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Edmonton and Calgary is 23/8 inches. What is the actual distance in miles?
6. How many paving stones measuring 7½ in. By 7½ in. Are needed to cover an
area that is 1 yd by 1 yd.
7. To tile a floor that is 3 m by 4 m, how many tiles measuring 30 cm by 50 cm would you buy?
Add 10% extra tiles for areas that require tiles to be cut.
Assignment: p46 #12, 13a
p50 #10,11,12,13
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