Year 6: Measuring
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Measuring Length
Choosing Units of
Measurement
Understanding Length
Measuring Capacity
Comparing Rulers
Perimeter
Understanding Weight
Area
Using Scales
Area of Irregular Shapes
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Measuring Length
Metric Units of
Measurement
Imperial Units of
Measurement
Millimetres (mm)
Centimetres (cm)
Metres (m)
Kilometres (km)
Inches
Feet
yards
miles
Most things we now measure in metric units. However for distances to
towns and people’s heights we tend to still use imperial measurements.
Newcastle
is 16 miles
away.
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My dad is 6
foot 2 inches
tall (6’ 2”)
The length
of my
pencil is
19cm
Understanding Length
This digit is
worth 10km.
10km
This digit is
worth 1km.
There are 10
of these in
10km
This digit is
worth 100m.
There are
10 of these
in 1km
1km
100m
…and 1,000 metres in
a kilometre!
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This digit is
worth 10m.
There are
10 of these
in 100m.
10m
This digit is
worth 1m.
There are 10
of these in
10 metres.
1m
Understanding
Length
Remember:
10mm = 1cm
100cm = 1 metre
1,000 metres = 1km
Click on the question mark to
find out the missing measurement.
mm
metres
metres
km
50mm
cm
5cm
?
0.05m
250m
20mm
2cm
0.02m
?
0.25km
?
2.15km
150mm
?
15cm
0.15m
2,150m
?
1,750m
2,100mm
210cm
?
2.1m
1.75km
?
150m
1,500mm
?
150cm
1.5m
?
5,200m
?
0.15km
?
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5.2km
Understanding Length
0cm
10cm
20cm 30cm
0cm
10cm
20cm
30cm
40cm
40cm
50cm
60cm
70cm 80cm
50cm 60cm 70cm 80cm
There are 100cm in 1 metre
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90cm 100cm
90cm 1 met.
Understanding Length
0mm 5mm 10mm
0cm
1cm
20mm
30mm
40mm
50mm
2cm
3cm
4cm
5cm
There are 10mm in 1cm
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Measuring to the nearest mm
Click on the object to see what it measures.
Click on the object again to make it disappear.
0
1cm 2cm 3cm
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4cm 5cm
6cm
7cm 8cm 9cm
Comparing Measurements Chart
Length
Weight
Capacity
10mm = 1cm
100cm = 1 metre
1,000 metres = 1km
1,000g = 1kg
1,000 ml = 1 litre
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Understanding
Weight
Remember:
1,000g = 1kg
Click on the question mark to
find out the missing measurement.
Grams (g)
Kilograms (Kg)
Grams (g)
Kilograms (Kg)
500g
?
0.5kg
500g
?
0.5kg
4,000g
4kg
?
2,000g
900g
0.9kg
?
2kg
?
200gm
?
0.2kg
3000g
?
3kg
1,500g
?
1.5kg
300g
?
0.3kg
2750g
2.75kg
?
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Click on the object to see what it weighs
350g
0g
300g
250g
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50g
100g
200g
150g
Using Different Scales
Choose weights to show the numbers on the scales
(Click again to make the numbers disappear)
0 to 400g
0 to 3kg
1,400g
2.8kg
700g
140g
350g
0 to 800g
0g
1.4kg
1,200g
2.4kg
600g
120g
300g
0 to 160g
0 to 1.6kg
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800g
200g
400g
40g
100g
1.2kg
1,000g
500g
100g
2kg
250g
1kg
200g
400g
100g
20g
50g
1.6kg
400g
800g
80g
200g
300g
1.2kg
600g
60g
150g
Interpreting Scales
40g
1kg
16g
80g
160g
30g
750g
12g
60g
120g
20g
500g
8g
40g
80g
10g
250g
4g
20g
40g
1.25kg
50g
20g
100g
200g
60g
120g
240g
1.5kg
24g
Change
Scale
1.75kg
70g
28g
140g
280g
80g
2kg
32g
160g
320g
90g
2.25kg
36g
180g
360g
100g
2.5kg
40g
200g
400g
110g
2.75kg
44g
220g
440g
Click on each interval line to make the arrow appear.
Click in the same place to make it disappear.
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Teacher’s Resource: Scales
0g
0g
1kg
50g
40g
0.5kg
5g
250g
10g
2kg
100g
80g
1kg
10g
500g
20g
3kg
150g
120g
1.5kg
15g
750g
30g
4kg
200g
160g
2kg
20g
1kg
40g
Change
Scale
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1.25kg
250g
200g
2.5kg
25g
5kg
300g
240g
3kg
30g
6kg
1.5kg
350g
280g
3.5kg
35g
7kg
400g
320g
4kg
40g
8kg
2kg
50g
60g 1.75kg
70g
80g
Add
Weight
2.25kg
450g
360g
4.5kg
45g
9kg
500g
400g
5kg
50g
2.5kg
90g 10kg
100g
Choosing Units of Measurement
Which unit of measurement would you use to measure these objects?
The
Height
The
distance
length
of to
your
of
to
The
The
height
thickness
of
a
The
distance
your
holiday
of
adestination
book
the
my
Manchester
abuilding
friend
fingernail
classroom
pencil
Millimetres (mm) Centimetres (cm)
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Metres (m)
Kilometres (km)
Measuring Capacity
Capacity is measured in millilitres (ml).
There are 1,000ml in a litre.
Click on the object to see how many ml everyday objects use.
A ‘pint’ of milk
contains 568ml
of milk.
A jug contains
1,000ml
(1 litre)
A teaspoon of
medicine
contains 5ml.
A soft drink
can contains
300ml
A family bottle
of lemonade
contains 2 litres.
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Using a Measuring Container
Click on each object to see
how much water it contains:
140ml
120ml
100ml
80ml
60ml
40ml
20ml
0ml
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Teacher’s Resource:
Measuring Container
140ml
14ml
350ml
700ml
3.5l
Change
Scale
Add
Water
120ml
12ml
300ml
600ml
3l
100ml
10ml
2.5l
250ml
500ml
80ml
8ml
200ml
400ml
2l
1.5l
60ml
6ml
150ml
300ml
40ml
4ml
100ml
200ml
1l
20ml
2ml
50ml
100ml
0.5l
0ml
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Understanding
Capacity
Remember:
1,000ml = 1L
Click on the question mark to
find out the missing measurement.
Millilitres (ml)
Litres (L)
Millilitres (ml)
Litres (l)
150ml
?
0.15L
250ml
?
0.25L
2,150ml
2.15L
?
2,950ml
2.95L
?
650ml
0.65L
?
380ml
?
0.38L
9,500ml
?
450ml
?
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9.5L
720ml
?
0.72L
0.45L
50ml
0.05L
?
Perimeter
6cm
2cm
2cm
8cm + 8cm + 2cm + 2cm
= 20cm
5cm + 5cm
+ 3cm + 3cm
= 16cm
3cm
5cm
5cm
6cm
8cm
8cm
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3cm
3cm
Perimeter is how
long a shape is
around the
outside.
6cm + 6cm + 3cm + 3cm
= 18cm
3cm
Perimeter
12cm
Perimeter is how
long a shape is
around the
outside.
6cm
6cm
12cm
12cm +
6cm +
12cm +
The perimeter is 36cm
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6cm =
A Square
A
Rectangle
6cm
5cm
Can you work out
the perimeter of
these shapes?
The square has a
perimeter of 20cm
(5cm + 5cm + 5cm + 5cm)
The rectangle has a
perimeter of 18cm
(3cm + 6cm + 3cm + 6cm)
4cm
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3cm
4cm
4cm
The triangle has a
perimeter of 12cm
(4cm + 4cm + 4cm)
A Rhombus
6cm
7cm
An
Isosceles
Triangle
6cm
A perimeter of 24cm
A perimeter
of 18cm
Can you work out
the perimeter of
these shapes?
A
Rectangle
4cm
24cm
12cm
A perimeter
of 128cm
5cm
8cm
8cm
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40
cm
A perimeter of 40cm
(Not all sides are labelled!)
Calculating Area
The area is how
much space a
shape takes up.
This shape has an area of
20cm² (There are 20 ‘1cm’
squares inside)
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This shape has an
area of 12cm².
Calculating Area
16cm²
16cm²
24cm²
What is the area of each
shape?
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Click on the shapes to reveal each
answer.
14cm²
Calculating Area
4cm
8cm
2cm
4cm
16cm²
6cm
The quick way of calculating area
4cm
16cm²
is to multiply length x width.
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Watch carefully, and you will
also notice there is a quick
way of calculating area.
24cm²
Calculating Area
4cm
6cm
2cm
12cm²
5cm
The quick way of calculating area
is to multiply length x width.
6cm
20cm²
3cm
Calculate the area of these shapes.
Click on each shape to reveal the answer
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18cm²
4cm
32cm²
9cm
8cm
108cm²
6cm
24cm²
4cm
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Can you find the area
of these shapes?
Click each shape to
reveal the answer
12cm
30cm²
8cm²
14cm²
19cm²
12cm²
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Can you find the area
of these shapes?
10cm
The area is 80cm²
50cm²
7cm
3cm
8cm
60cm²
10cm
6cm
+ 9cm²
+ 20cm²
The area is 59cm²
5cm
10cm
4cm
8cm
Finally can you find the area
of these shapes? (Clue: can
the shapes be divided up
into smaller rectangles?)
What is the area of the
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4cm
The area
is 48cm²
(64cm² - 16cm²)
8cm