8.2 Imperial systems

Imperial systems

Imperial system, also known as the “British Imperial”, is mostly used in Britain and some other Commonwealth countries. Unlike metric units, imperial units are not based on the number of 10. Some of the most commonly used imperial units are inch, pound and arc.

Lessons

Notes:

\cdot Mainly used in US and some in Canada
\cdot Not based on number of 10

Lengths
1 foot (ft) = 12 inches (in)
1 yard (yd) = 3 feet (ft)
1 mile (mi) = 1760 yards (yd)
  • 1.
    Converting the imperial units
    • b)
      530 in = _____ mi
  • 2.
    Add or subtract different imperial units
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Imperial systems

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