Unit 17 Section 3 : Estimating imperial units
The imperial system was used, until very recently, for all weights and measures throughout the UK.
There are many aspects of everyday life where the system is still in common usage.
Road signs are an obvious example where miles instead of kilometres are used.
In this section we look at estimating in these units; the following list gives some useful facts to help you:
You will find the following abbreviations used for imperial units:
The height of a tall adult is about 6 feet.|
The width of an adult thumb is about 1 inch.
The length of a size 8 shoe is about 1 foot.
An adult pace is about 1 yard.
A pack of sausages weighs about 1 pound, which is 16 ounces.
An old-style bottle of milk contains 1 pint.
It takes about 20 minutes to walk one mile.
Be careful not to use m as an abbreviation for miles because m is a standard abbreviation for metres.
1 yard = 1 yd|
6 feet = 6 ft = 6'
9 inches = 9 in = 9"
8 ounces = 8 oz
7 pounds = 7 lb
Work out the answer to each of these questions then click on the button marked
to see whether you are correct.
(a) Look at this line and the images of adult thumbs below it.
How long would you estimate the line is, in inches?
(b) A double-decker bus is about three times as tall as my uncle, who is a tall man.
How tall would you estimate a double-decker bus is, in feet?
Work out the answers to the questions below and fill in the boxes. Click on the
button to find out whether you have answered correctly. If you are right
then will appear and you should move on to the next
question. If appears then your answer is wrong. Click
on to clear your original answer and have another go.
If you can't work out the right answer then click on
You have now completed Unit 17 Section 3
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