www.visuallessons.com year 6: measuring measuring lengthchoosing units of measurement understanding...
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Year 6: Measuring
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)
InchesFeet
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. The length
of my pencil is
19cm
My dad is 6 foot 2
inches tall (6’ 2”)
Newcastle is 16 miles
away.
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10km 1km 100m 10m 1m
Understanding Length
This digit is worth 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
This digit is worth 10m. There are 10 of these in 100m.
This digit is worth 1m. There are 10 of these in 10 metres.
…and 1,000 metres in a kilometre!
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Understanding Length
Click on the question mark to find out the missing measurement.
Remember:10mm = 1cm
100cm = 1 metre1,000 metres = 1km
mm cm metres50mm 5cm 0.05m
20mm 2cm 0.02m
150mm 15cm 0.15m
2,100mm
210cm 2.1m
1,500mm
150cm 1.5m
metres km
250m 0.25km
2,150m 2.15km
1,750m 1.75km
150m 0.15km
5,200m 5.2km??
?
?? ?
??
??
?
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Understanding Length
10cm 20cm 30cm 40cm 70cm50cm 60cm 80cm 90cm 1 met.0cm
10cm0cm 20cm 30cm 40cm 50cm 60cm 70cm 80cm 90cm 100cm
There are 100cm in 1 metre
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Understanding Length
There are 10mm in 1cm
1cm 2cm 3cm 4cm 5cm0cm
0mm 10mm
5mm 20mm
30mm
40mm
50mm
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0 1cm 2cm 3cm 4cm 5cm 6cm 7cm 8cm 9cm
Measuring to the nearest mmClick on the object to see what it measures. Click on the object again to make it disappear.
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Comparing Measurements Chart
Length Weight Capacity
10mm = 1cm100cm = 1 metre1,000 metres =
1km
1,000g = 1kg 1,000 ml = 1 litre
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Understanding Weight
Click on the question mark to find out the missing measurement.
Remember:1,000g = 1kg
Grams (g) Kilograms (Kg)
500g 0.5kg
2,000g 2kg
200gm 0.2kg
1,500g 1.5kg
2750g 2.75kg?
?
??
?
Grams (g) Kilograms (Kg)
500g 0.5kg
4,000g 4kg
900g 0.9kg
3000g 3kg
300g 0.3kg
??
??
?
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50g
200g
0g
Click on the object to see what it weighs
100g
150g250g
300g
350g
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50g
200g
0g
100g
150g250g
300g
350g
Using Different ScalesChoose weights to show the numbers on the scales
(Click again to make the numbers disappear)
100g
400g
0g
200g
300g500g
600g
700g
0 to 400g
0 to 800g
400g
1.6kg
0g
800g
1.2kg2kg
2.4kg
2.8kg
0 to 3kg
20g
80g
0g
40g
60g100g
120g
140g
0 to 160g
200g
800g
0g
400g
600g1,000g1kg
1,200g1.2kg
1,400g1.4kg
0 to 1.6kg
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10g
20g
30g
40g50g 60g
70g80g
90g
100g
110g20g
40g
60g
80g100g 120g
140g160g
180g
200g
220g
Change Scale
40g
80g
120g
160g200g 240g
280g320g
360g
400g
440g4g
8g
12g
16g20g 24g
28g32g
36g
40g
44g250g
500g
750g
1kg1.25kg
1.5kg
1.75kg 2kg
2.25kg
2.5kg
2.75kg
Click on each interval line to make the arrow appear. Click in the same place to make it disappear.
Interpreting Scales
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Teacher’s Resource: Scales
10g 20g 30g 40g 70g50g 60g 80g 90g 100g0g
Change Scale
Add Weight
250g 500g 750g 1kg 1.75kg
1.25kg
1.5kg 2kg 2.25kg
2.5kg
0g 50g 100g 150g 200g 350g250g 300g 400g 450g 500g0g 40g 80g 120g 160g 280g200g 240g 320g 360g 400g0g 0.5kg 1kg 1.5kg 2kg 3.5kg2.5kg 3kg 4kg 4.5kg 5kg0g 5g 10g 15g 20g 35g25g 30g 40g 45g 50g0g 1kg 2kg 3kg 4kg 7kg5kg 6kg 8kg 9kg 10kg0g
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Choosing Units of MeasurementWhich unit of measurement would you use to measure these objects?
Millimetres (mm)
Centimetres (cm)
Metres (m) Kilometres (km)
The length of my fingernail
The distance to Manchester
The length of the classroomThe length of
a pencilHeight of your
friendThe distance to your holiday destinationThe height of a
buildingThe thickness
of a book
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Measuring CapacityCapacity is measured in millilitres (ml).
There are 1,000ml in a litre.
A ‘pint’ of milk contains 568ml of milk.
Click on the object to see how many ml everyday objects use.
A family bottle of lemonade contains 2 litres.
A teaspoon of medicine contains 5ml.
A soft drink can contains 300ml
A jug contains 1,000ml (1 litre)
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Using a Measuring Container
Click on each object to see how much water it contains:
20ml
40ml
60ml
80ml
100ml
120ml
140ml
0ml
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Teacher’s Resource: Measuring Container
20ml
40ml
60ml
80ml
100ml
120ml
140ml
0ml
Change Scale
2ml
4ml
6ml
8ml
10ml
12ml
14ml
0ml
50ml
100ml
150ml
200ml
250ml
300ml
350ml
0ml
100ml
200ml
300ml
400ml
500ml
600ml
700ml
0ml
0.5l
1l
1.5l
2l
2.5l
3l
3.5l
0ml
Add Water
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Understanding Capacity
Click on the question mark to find out the missing measurement.
Remember:1,000ml = 1L
Millilitres (ml) Litres (l)
250ml 0.25L
2,950ml 2.95L
380ml 0.38L
720ml 0.72L
50ml 0.05L?
?
??
?
Millilitres (ml) Litres (L)
150ml 0.15L
2,150ml 2.15L
650ml 0.65L
9,500ml 9.5L
450ml 0.45L
?
?
??
?
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Perimeter
Perimeter is how long a
shape is around the outside.
3cm
6cm
6cm
3cm 6cm + 6cm + 3cm + 3cm
= 18cm
2cm
8cm
8cm
2cm
8cm + 8cm + 2cm + 2cm = 20cm
5cm
3cm
3cm
5cm 5cm + 5cm
+ 3cm + 3cm = 16cm
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Perimeter is how long a shape is
around the outside.
12cm
6cm
12cm
6cm
6cm +12cm + 12cm + 6cm =
The perimeter is 36cm
Perimeter
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Can you work out the
perimeter of these shapes?
A Square
5cm
A Rectangle
3cm
6cm
4cm
4cm
4cm
The square has a perimeter of 20cm
(5cm + 5cm + 5cm + 5cm)
The rectangle has a perimeter of 18cm
(3cm + 6cm + 3cm + 6cm)
The triangle has a perimeter of 12cm (4cm + 4cm + 4cm)
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Can you work out the
perimeter of these shapes?
A Rhombus 6cm
6cm
An Isosceles Triangle
4cm
24cm
A Rectangle
7cm40cm
12cm
8cm5cm
8cm
A perimeter of 24cm
A perimeter of 18cm
A perimeter of 128cm
A perimeter of 40cm (Not all sides are labelled!)
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The area is how much
space a shape takes up.
Calculating Area
This shape has an area of 20cm² (There are 20 ‘1cm’ squares inside)
This shape has an area of 12cm².
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What is the area of each shape?
Click on the shapes to reveal each answer.
Calculating Area
16cm²
16cm²
14cm²
24cm²
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Watch carefully, and you will also notice there is a quick way of calculating
area.
Calculating Area
16cm²
16cm²
24cm²
4cm
4cm
2cm
8cm4cm
6cm
The quick way of calculating area
is to multiply length x width.
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Calculate the area of these shapes. Click on each shape to reveal the answer
Calculating Area
20cm²
12cm²
18cm²
5cm
3cm
2cm
6cm4cm
6cm
The quick way of calculating area
is to multiply length x width.
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Can you find the area of these
shapes? Click each shape to reveal the answer
8cm
4cm
12cm
9cm
4cm
6cm
108cm²
32cm²
24cm²
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Can you find the area of these
shapes?
8cm²
12cm²
30cm²
19cm²
14cm²
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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 shaded orange
part?
10cm
8cm
7cm3cm
6cm
10cm
5cm
10cm
8cm
8cm
4cm
4cm
The area is 48cm²
(64cm² - 16cm²)
The area is 80cm²
The area is 59cm²
60cm²
+ 20cm²
+ 9cm²
50cm²