Measurement And Geometry Worksheet

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MeasureMent and geoMetry
• Using Units of MeAsUreMent
reMeMBer
1. The most commonly used units to measure length are kilometres (km), metres (m),
centimetres (cm) and millimetres (mm).
2. When measuring length, it is easiest to use units that give us convenient values (not too
large and not too small).
When converting units of length, it is useful to note the points below.
3. Imagine a decimal point at the right-hand end of any whole numbers; for example, the
number 35 can be thought of as having a decimal point after the 5 (35).
4. Look at or draw a conversion chart.
ó 10
ó 100
ó 1000
millimetres
centimetres
centimetres
metres
kilometres
(mm)
(cm)
(m)
(km)
ì 10
ì 100
ì 1000
5. When converting to a smaller unit, multiply by the conversion factor.
6. When converting to a larger unit, divide by the conversion factor.
eXerCise
Units of measurement and converting units of
9a
measurement
flUenCY
inDiviDUAl
PatHWays
Which units (mm, cm, m or km) would be most suitable for meas uring the real lengths
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marked in each photograph? (You may give two dif ferent units if you think both would be
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k
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suitable.)
Activity 9-A-1
Units of
c
measurement
doc-1855
a
Activity 9-A-2
More units of
measurement
doc-1856
b
Activity 9-A-3
Advanced units of
measurement
doc-1857
e
f
d
292
Maths Quest 7 for the Australian Curriculum

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