We use different metric
units to measure :-
We can use our knowledge of multiplying and
dividing by 10, 100 or 1000 to change or
convert measurements in one unit to
measurements in another unit.
We are going to use our knowledge aboutWe are going to use our knowledge about
multiplying and dividing by 100 to convertmultiplying and dividing by 100 to convert
centimetres to metres and to convert metrescentimetres to metres and to convert metres
to centimetres.to centimetres.
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 0 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 0 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 ÷100
This is how we change 427cm into metres:-
There are 100 centimetres in 1 metre
When we change from cm to m we divide by:-
Remember!
When we divide by 100 the units move two places to the
right.
H T U th hth th
4 2 7 0 ÷100
This is how we change 427cm into metres:-
Therefore:-Therefore:-
427cm = 4.27m427cm = 4.27m
H T U t h th
3 2 6
H T U t h th
3 2 6
H T U t h th
4 7 6
H T U t h th
1 6 5 3
H T U t h th
0 4 7 6
H T U t h th
1 6 5 3
÷100÷100
÷100÷100
÷100÷100
cmcm mm
354cm354cm
15.4cm15.4cm
779cm779cm
52.4cm52.4cm
939cm939cm
395cm395cm
25.8cm25.8cm
3.54m3.54m
0.154m0.154m
7.79m7.79m
0.524m0.524m
9.39m9.39m
3.95m3.95m
0.258m0.258m
÷100÷100
Convert from centimetres to metresConvert from centimetres to metres
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m =3.51m =
To change from metres to centimetres weTo change from metres to centimetres we
MULTIPLY BY 100.MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move eachWhen we multiply by 100 we move each
digit two places to the left:-digit two places to the left:-
H T U t h th
3 5 1
3.51m = 351cm3.51m = 351cm
5.4m5.4m
6.2m6.2m
12.7m12.7m
3m3m
7.6m7.6m
0.54m0.54m
0.3m0.3m
540cm540cm
620cm620cm
1270cm1270cm
300cm300cm
760cm760cm
54cm54cm
30cm30cm
x100x100
Try changing these measurements in metres into centimetresTry changing these measurements in metres into centimetres

Converting units

  • 2.
    We use differentmetric units to measure :- We can use our knowledge of multiplying and dividing by 10, 100 or 1000 to change or convert measurements in one unit to measurements in another unit.
  • 3.
    We are goingto use our knowledge aboutWe are going to use our knowledge about multiplying and dividing by 100 to convertmultiplying and dividing by 100 to convert centimetres to metres and to convert metrescentimetres to metres and to convert metres to centimetres.to centimetres.
  • 4.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 0 0 ÷100 This is how we change 427cm into metres:-
  • 5.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 0 0 ÷100 This is how we change 427cm into metres:-
  • 6.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 0 ÷100 This is how we change 427cm into metres:-
  • 7.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 ÷100 This is how we change 427cm into metres:-
  • 8.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 ÷100 This is how we change 427cm into metres:-
  • 9.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 ÷100 This is how we change 427cm into metres:-
  • 10.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 ÷100 This is how we change 427cm into metres:-
  • 11.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 ÷100 This is how we change 427cm into metres:-
  • 12.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 ÷100 This is how we change 427cm into metres:-
  • 13.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 ÷100 This is how we change 427cm into metres:-
  • 14.
    There are 100centimetres in 1 metre When we change from cm to m we divide by:- Remember! When we divide by 100 the units move two places to the right. H T U th hth th 4 2 7 0 ÷100 This is how we change 427cm into metres:-
  • 15.
    Therefore:-Therefore:- 427cm = 4.27m427cm= 4.27m H T U t h th 3 2 6 H T U t h th 3 2 6 H T U t h th 4 7 6 H T U t h th 1 6 5 3 H T U t h th 0 4 7 6 H T U t h th 1 6 5 3 ÷100÷100 ÷100÷100 ÷100÷100 cmcm mm
  • 16.
  • 17.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 18.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 19.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 20.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 21.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 22.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 23.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 24.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 25.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 26.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m =3.51m =
  • 27.
    To change frommetres to centimetres weTo change from metres to centimetres we MULTIPLY BY 100.MULTIPLY BY 100. REMEMBERREMEMBER When we multiply by 100 we move eachWhen we multiply by 100 we move each digit two places to the left:-digit two places to the left:- H T U t h th 3 5 1 3.51m = 351cm3.51m = 351cm
  • 28.