Thursday: Finding missing Angles and Sides in Similar Figures
All 3 Sides are equal in Length All 3 interior angles are the same.
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Transcript of All 3 Sides are equal in Length All 3 interior angles are the same.
![Page 1: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/1.jpg)
All 3 Sides are equal in Length
All 3 interior angles are the same
![Page 2: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/2.jpg)
Two Sides of equal Length
Two interior angles are the same
![Page 3: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/3.jpg)
No Sides of equal Length
All interior angles are different
![Page 4: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/4.jpg)
They have an Interior angle of 90 degrees
Right-Angled Triangles can be either Isosceles or scalene triangles
Scalene Right Angled Triangle Isosceles Right Angled Triangle
How many degrees are the
other two interior angles in a right angled isosceles?
![Page 5: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/5.jpg)
Using a piece of elastic show me the following triangles
![Page 6: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/6.jpg)
Using your mini whiteboards draw me the following triangles…
![Page 7: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/7.jpg)
EXTENSION!
Draw a triangle and extend one line like above. Mark your angles a, b, c and x. Measure all the angles.Repeat with a different triangle Can you write a rule?
a b
c
x
![Page 8: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/8.jpg)
These type of lines stay the same distance apart for their whole length. They do not need to be the same length
![Page 9: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/9.jpg)
A line is perpendicular to another line if they meet at 90 degrees.
![Page 10: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/10.jpg)
Two-dimensional shapes that have sides made from straight lines.
E.g. triangles squares hexagons
![Page 11: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/11.jpg)
4 vertices
A.
B.
C.
D.
4 sides4 angles
![Page 12: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/12.jpg)
A.
B.
C.
D.
360o
The sum of ALLALL the angles of a
quadrilateral is 360o
The sum of ALLALL the angles of a
quadrilateral is 360oC
.
A.
D.
B.
![Page 13: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/13.jpg)
The sum of all the angles equals 360º degrees.
90º
90º
90º
90º
![Page 14: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/14.jpg)
70º
?
70º
110º
70º70º
110º?+
360º
![Page 15: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/15.jpg)
65º
115º65º
?65º65
115º?
360º
![Page 16: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/16.jpg)
Discuss the properties of a trapezium with your partner.
![Page 17: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/17.jpg)
One pair of opposite sides are parallel
![Page 18: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/18.jpg)
Draw a parallelogram and try to find as many of its properties as you can.
![Page 19: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/19.jpg)
•Opposite sides are equal
•Opposite sides are parallel•Opposite angles are
equal
![Page 20: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/20.jpg)
Discuss the properties of the rhombus with your partner
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All sides are equalOpposite sides are parallelOpposite angles are equal
![Page 22: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/22.jpg)
How many properties belonging to the rectangle can you find?
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Opposite sides are equalOpposite sides are parallelAll angles are right angles (90o)
![Page 24: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/24.jpg)
Discuss the properties of the square with your partner
![Page 25: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/25.jpg)
All sides are equal
Opposite sides are parallel
All angles are right angles (90o)
![Page 26: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/26.jpg)
12 3
4 5 6
rectangle irregular rhombus
parallelogram trapezium square
![Page 27: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/27.jpg)
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.
![Page 28: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/28.jpg)
We are going to use our We are going to use our knowledge about knowledge about
multiplying and dividing by multiplying and dividing by 100 to convert centimetres 100 to convert centimetres to metres and to convert to metres and to convert metres to centimetres.metres to centimetres.
![Page 29: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/29.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 30: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/30.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 31: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/31.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 32: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/32.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 33: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/33.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 34: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/34.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 35: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/35.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 36: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/36.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 37: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/37.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 38: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/38.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 39: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/39.jpg)
There are 100 centimetres in 1 metreWhen 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:-
![Page 40: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/40.jpg)
Therefore:-Therefore:-
427cm = 4.27m427cm = 4.27mH 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
![Page 41: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/41.jpg)
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
÷10÷1000
Convert from centimetres to metresConvert from centimetres to metres
![Page 42: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/42.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 43: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/43.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 44: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/44.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 45: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/45.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 46: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/46.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 47: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/47.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 48: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/48.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 49: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/49.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 50: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/50.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 51: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/51.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m =
![Page 52: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/52.jpg)
To change from metres to centimetres To change from metres to centimetres we MULTIPLY BY 100.we MULTIPLY BY 100.
REMEMBERREMEMBER
When we multiply by 100 we move When we multiply by 100 we move each digit two places to the left:-each digit two places to the left:-
H T U t h th
3 5 1
3.51m = 3.51m = 351cm351cm
![Page 53: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/53.jpg)
5.4m5.4m
6.2m6.2m
12.7m12.7m
3m3m
7.6m7.6m
0.54m0.54m
0.3m0.3m
x100x100
Try changing these measurements in metres into centimetresTry changing these measurements in metres into centimetres
![Page 54: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/54.jpg)
We are going to use our knowledge We are going to use our knowledge about multiplying and dividing by about multiplying and dividing by
1000 to convert metres and kilometres 1000 to convert metres and kilometres to convert kilometres to metres.to convert kilometres to metres.
![Page 55: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/55.jpg)
There are 1000 metres in 1 kilometreWhen we change from m to km we divide by:-
Remember!When we divide by 1000 the units move three places to the right.
Th H T U th hth th
7 4 2 7 0 0 0÷1000
This is how we change 7427m into kilometres:-
![Page 56: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/56.jpg)
5420m5420m
1620m1620m
1270m1270m
300m300m
760m760m
54m54m
30m30m
÷ 10001000
![Page 57: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/57.jpg)
To change from Kilometres to metres To change from Kilometres to metres we MULTIPLY BY 1000.we MULTIPLY BY 1000.
REMEMBERREMEMBER
When we multiply by 1000 we move When we multiply by 1000 we move each digit three places to the left:-each digit three places to the left:-
H T U t h th
3 0 0
3km = 3km =
![Page 58: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/58.jpg)
54km54km
16km16km
12km12km
351km351km
760km760km
54km54km
3km3km
x 10001000
![Page 59: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/59.jpg)
There are 1000 grams in 1 kilogramWhen we change from g to kg we divide by:-
Remember!When we divide by 1000 the units move three places to the right.
Th H T U th hth th
7 4 2 7 0 0 0÷1000
This is how we change 7427g into kilograms:-
![Page 60: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/60.jpg)
5420g5420g
1620g1620g
12870g12870g
700g700g
710g710g
74g74g
34g34g
÷ 10001000
![Page 61: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/61.jpg)
To change from Kilograms to grams To change from Kilograms to grams we MULTIPLY BY 1000.we MULTIPLY BY 1000.
REMEMBERREMEMBER
When we multiply by 1000 we move When we multiply by 1000 we move each digit three places to the left:-each digit three places to the left:-
H T U t h th
4 0 0
4kg = 4kg =
![Page 62: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/62.jpg)
94kg94kg
86kg86kg
52kg52kg
361kg361kg
120kg120kg
34kg34kg
3kg3kg
x 10001000
![Page 63: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/63.jpg)
There are 1000 kg in 1 tonneWhen we change from kg to tonnes we divide by:-
Remember!When we divide by 1000 the units move three places to the right.
Th H T U th hth th
1 4 3 5 0 0 0÷1000
This is how we change 1435kg into tonnes:-
![Page 64: All 3 Sides are equal in Length All 3 interior angles are the same.](https://reader031.fdocuments.us/reader031/viewer/2022032801/56649dd45503460f94acc739/html5/thumbnails/64.jpg)
To change from tonnes to kilograms To change from tonnes to kilograms we MULTIPLY BY 1000.we MULTIPLY BY 1000.
REMEMBERREMEMBER
When we multiply by 1000 we move When we multiply by 1000 we move each digit three places to the left:-each digit three places to the left:-
H T U t h th
7 0 0
7 tonnes = 7 tonnes =
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Joanne Smithies Our Lady & St. Gerards RCP
Learning Objective
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Imperial UnitsWhat do we know
about them already?
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Ever heard of…QuartsPintsGallonsOuncesPoundsFluid Ounces
StonesMilesYardsFeetInches
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What might we buy in here?
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6 inch or foot-long subs
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How would you order a pizza from here?
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Dominoes uses imperial units too!
Pizza sizes:Small - 9.5”Medium - 11.5”
Large - 13.5”
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How to read a ruler in inches or cm
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There are 12 inches in one foot
There are 36 inches in one yard
SO…How many feet are in one yard?
Remember…
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How many grams in 1oz?
1 kg is about 2.2 lb16 oz in 1 lb
You may use a calculator
1 oz is about 30 g.