UNITS

UNITS OF LENGTH
Basic unit of length is meter.
Other unit are such as :-
Unit
Symbol
Millimeter
mm
Centimeter
cm
Decimeter
dm
Meter
m
Decameter
dam
Hectametre
hm
Kilometer
km
Km hm dam m dm cm mm
1 0 0 0 0 0 0
1 0 0 0 0 0
1 0 0 0 0
1 0 0 0
1 0 0
1 0
1
EXAMPLES
1. Convert 9.17m into km
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2. Convert 2/51km into :-
(a) dm (b) mm (c) hm(A)

(a)
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(b)
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OPERATIONS ON UNIT OF LENGTH
1. Addition
Example Add the following:-
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Question
1. Add together the following length (a) 785m, 97m, 605m, (b) 8dam, 9m, 2cm (Give your answer in metre.
Solution


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Add

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SUBSTRATION
EXAMPLE

perform the following

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MULTIPLICATION
EXAMPLES

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DIVISION

Perform the following meter.
EXAMPLE

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2. Evaluate 38m ÷ 50 = (Give your answer in centimeter).


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3. Find the following in meter

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EXERCISE
2. A roil of string ps 8.3 metres long. pieces of string of length 2.30m, 78m, 2.37m and 0.95m are cut off. The remaining part is divided into equal pieces of length 32cm. How many equal pieces are there?

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