When the seamstress was making your uniform she had to measure your length, waist, chest, and hips; she also had to measure the cloth, elastic bands, and zips. She measures using a metre ruler.
There are many professions that need to measure things in such a way: such as builders, surveyors, carpenters, architects, engineers,etc. Some work with measurement that take long distances – cartographers measure long distances such as roads, and distances between towns, countries, etc. They would most likely use the kilometre (km).
Thus you should remember the following:
Exercises
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Question 1 of 5
1. Question
What unit of length would be most suitable to measure: (centimetres, metres, kilometres)

the length of your thumb –
the length of a car –
the height of a house –
The distance between Grenada and Barbados –
Correct 4 / 4 PointsIncorrect / 4 Points 

Question 2 of 5
2. Question
Express the following metres as centimetres.

1) 2¼ m = (100) + (100) + (25) = cm
2) 4¾ m = + + + + = cm
3) 7½ m = cm
4) 10¼m = cm
Correct 9 / 9 PointsIncorrect / 9 Points 

Question 3 of 5
3. Question
Express each in centimetres.
Follow the example below.
2 m 15 cm = 200 cm + 15 cm = 215cm

1) 7 m 45 cm = 700 cm + 45 cm = cm
2) 9 m 75 cm = cm + cm = cm
3) 12 m 80 cm = cm + = cm
4) 16 m 24 cm = cm
Correct 8 / 8 PointsIncorrect / 8 Points 

Question 4 of 5
4. Question
Express each of the following in metres and centimetres.

a) 140 cm = m cm
b) 1855 cm = m cm
c) 325 cm = m cm
d) 687 cm = m cm
Correct 8 / 8 PointsIncorrect / 8 Points 

Question 5 of 5
5. Question
CorrectIncorrect