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TRANSCRIPT
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
2 F 1
0 cm 51 6 102 7 113 8 12 14 154 9 13
Convert these lengths to metres:
Convert these lengths to metres:
Convert these lengths to centimetres:
Convert these lengths to millimetres:
Thisconversionboxcanhelpyou convertunitsoflength.
4
5
3
6
m mmcm
× 100
÷ 100
× 10
÷ 10
× 1 000
÷ 1 000
Units of length – m, cm, mm
To convert from mm to cm, divide by 10.
To convert from cm to mm, multiply by 10.
To convert from mm to m, divide by 1 000.
a 5cm = mm
d 7cm = mm
b 3 cm = mm
e 11 cm = mm
c 9cm = mm
f 15cm= mm
a 50mm = cm
d 15mm = cm
b 20 mm = cm
e 156mm = cm
c 223 mm = cm
f 495mm = cm
a 300 cm = m
d 900cm = m
b 500cm = m
e 2 000 cm = m
c 250cm = m
f 4550cm= m
a 1 000 mm = m
c 4500mm= m
b 5000mm= m
d 500mm = m
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
2 F 1
0 cm 51 6 102 7 113 8 12 14 154 9 13
Convert these lengths to metres:
Convert these lengths to metres:
Convert these lengths to centimetres:
Convert these lengths to millimetres:
Thisconversionboxcanhelpyou convertunitsoflength.
4
5
3
6
m mmcm
× 100
÷ 100
× 10
÷ 10
× 1 000
÷ 1 000
Units of length – m, cm, mm
To convert from mm to cm, divide by 10.
To convert from cm to mm, multiply by 10.
To convert from mm to m, divide by 1 000.
a 5cm = mm
d 7cm = mm
b 3 cm = mm
e 11 cm = mm
c 9cm = mm
f 15cm= mm
a 50mm = cm
d 15mm = cm
b 20 mm = cm
e 156mm = cm
c 223 mm = cm
f 495mm = cm
a 300 cm = m
d 900cm = m
b 500cm = m
e 2 000 cm = m
c 250cm = m
f 4550cm= m
a 1 000 mm = m
c 4500mm= m
b 5000mm= m
d 500mm = m
50
5
3
1
70
1.5
9
4.5
30
2
5
5
110
15.6
20
0.5
90
22.3
2.5
150
49.5
45.5
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
3F 1
Look carefully at how each shape is divided and find the missing length:
a
b
c
d
Units of length – find and order length
1
Don’t forget to check your answers match the units.
1 m
30 cm cm
3 m
150cm cm
200 cm
60cm cm
100 cm
30 cm 20 cmm
Convert all the lengths to the same unit.
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
3F 1
Look carefully at how each shape is divided and find the missing length:
a
b
c
d
Units of length – find and order length
1
Don’t forget to check your answers match the units.
1 m
30 cm cm
3 m
150cm cm
200 cm
60cm cm
100 cm
30 cm 20 cmm
Convert all the lengths to the same unit.
70
150
140
0.5
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
9F 2
a SunsetCovetoSandyBeach km
b MelodyPointtoSharkCliff km
c RecklessRockstoLagunaBeach km
d MelodyPointtoSandyBeachviaSharkCliff km
e LagunaBeachtoSharkCliffviaMelodyPoint km
Travelling far – measure distances
Write these distances in decimal notation:
Write these distances in metres:
Look carefully at Mermaid Island and work out how long these walking trails are. Record all answers in kilometres.
1
2
3
Shark Cliff
Sandy BeachSunset Cove
Reckless Rocks
Laguna Beach
Melody Point1245m
1572m
980m390m
415m712m
To convert from m to km, divide by 1 000.
a 2km123m = km
c 2km245m = km
e 8km145m = km
g 835m = km
b 4km235m = km
d 5km235m = km
f 8km23m = km
h 593m = km
a 3.6km = m
d 9.3km = m
g 5.6km = m
b 2.8km = m
e 8.2km = m
h 0.2km = m
c 0.6km = m
f 7.1km = m
i 0.1km = km
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
9F 2
a SunsetCovetoSandyBeach km
b MelodyPointtoSharkCliff km
c RecklessRockstoLagunaBeach km
d MelodyPointtoSandyBeachviaSharkCliff km
e LagunaBeachtoSharkCliffviaMelodyPoint km
Travelling far – measure distances
Write these distances in decimal notation:
Write these distances in metres:
Look carefully at Mermaid Island and work out how long these walking trails are. Record all answers in kilometres.
1
2
3
Shark Cliff
Sandy BeachSunset Cove
Reckless Rocks
Laguna Beach
Melody Point1245m
1572m
980m390m
415m712m
To convert from m to km, divide by 1 000.
a 2km123m = km
c 2km245m = km
e 8km145m = km
g 835m = km
b 4km235m = km
d 5km235m = km
f 8km23m = km
h 593m = km
a 3.6km = m
d 9.3km = m
g 5.6km = m
b 2.8km = m
e 8.2km = m
h 0.2km = m
c 0.6km = m
f 7.1km = m
i 0.1km = km
2.123
2.245
8.145
0.835
4.235
5.235
8.023
0.593
3 600
9 300
5 600
2 800
8 200
200
600
7 100
100
0.98
1.572
0.712
1.962
2.817
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
10 F 2
Roadmapssometimeshavethedistancebetweentownswrittenontheroadthatconnectsthem.Thisinformationhelpsyouplanyourjourney.
Travelling far – measure distances
Here is a page from Hannah’s journal where she has noted the places she went to during a road trip with her family. Add the distances that they travelled each day.
What is the total distance that Hannah and her family travelled? Show all of your working below. km
4
5
Scarborough
Lexia
96 km
285 km142 km520 km
340 km
218 km336 km
Brighton
MullalooHastings
Doubleview Woodvale Embleton
Day 1TodaywelefthomeatDoubleviewanddrovestraighttoHastings. km
Day 2WeleftHastingsafterbreakfastthenwehadlunchinMullaloo.Westayed thenightinBrighton. km
Day 3WedrovetoEmbletontofindoutaboutgettinganewpuppy! km
Day 4WehadtoleaveearlythismorningasitturnsoutthepuppywewantisinLexia. km
Day 5Ournewpuppyisagirl!WenamedherLexie,afterthetownshecamefrom. WedecidedtotraveluptoScarboroughtoshowLexietoourcousins. km
Day 6TodaywedroveallthewayfromScarboroughtoWoodvale.Dadwantedto keepgoingtillwegothomebutmummadehimstop. km
Day 7Todaywedrovetherestofthewayhome. km
420 km
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
10 F 2
Roadmapssometimeshavethedistancebetweentownswrittenontheroadthatconnectsthem.Thisinformationhelpsyouplanyourjourney.
Travelling far – measure distances
Here is a page from Hannah’s journal where she has noted the places she went to during a road trip with her family. Add the distances that they travelled each day.
What is the total distance that Hannah and her family travelled? Show all of your working below. km
4
5
Scarborough
Lexia
96 km
285 km142 km520 km
340 km
218 km336 km
Brighton
MullalooHastings
Doubleview Woodvale Embleton
Day 1TodaywelefthomeatDoubleviewanddrovestraighttoHastings. km
Day 2WeleftHastingsafterbreakfastthenwehadlunchinMullaloo.Westayed thenightinBrighton. km
Day 3WedrovetoEmbletontofindoutaboutgettinganewpuppy! km
Day 4WehadtoleaveearlythismorningasitturnsoutthepuppywewantisinLexia. km
Day 5Ournewpuppyisagirl!WenamedherLexie,afterthetownshecamefrom. WedecidedtotraveluptoScarboroughtoshowLexietoourcousins. km
Day 6TodaywedroveallthewayfromScarboroughtoWoodvale.Dadwantedto keepgoingtillwegothomebutmummadehimstop. km
Day 7Todaywedrovetherestofthewayhome. km
420 km
340
662
336
621
96
935
420
3 410
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
17F 3
d
P = cm
e
P = cm
a
P = cm
b
P = cm
c
P = cm
Draw the following shapes and work out their perimeters:
c Arectanglethatistwiceaslongasitiswide.
P =
Perimeteristhelengtharoundtheoutsideofashape.
Perimeter – perimeter of shapes
Theperimeterofthesquareis8cm. Theperimeteroftherectangleis10cm.
These shapes are not to scale, so you can’t use your ruler to work out the perimeter. Can you find the perimeter of these shapes?
1
2
2 cm
2 cm
2 cm 2 cm
3 cm
3 cm
2 cm 2 cm
7cm
2 cm1 cm
5cm
7cm
1 cm
6cm
8 cm
9cm
9cm
a Asquarewith3cmsides.
P = cm
b Arectanglewithtwo4cmsidesand two3cmsides.
P = cm
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
17F 3
d
P = cm
e
P = cm
a
P = cm
b
P = cm
c
P = cm
Draw the following shapes and work out their perimeters:
c Arectanglethatistwiceaslongasitiswide.
P =
Perimeteristhelengtharoundtheoutsideofashape.
Perimeter – perimeter of shapes
Theperimeterofthesquareis8cm. Theperimeteroftherectangleis10cm.
These shapes are not to scale, so you can’t use your ruler to work out the perimeter. Can you find the perimeter of these shapes?
1
2
2 cm
2 cm
2 cm 2 cm
3 cm
3 cm
2 cm 2 cm
7cm
2 cm1 cm
5cm
7cm
1 cm
6cm
8 cm
9cm
9cm
a Asquarewith3cmsides.
P = cm
b Arectanglewithtwo4cmsidesand two3cmsides.
P = cm
Teacher check.
18
12 14
16 12
3628
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
18 F 3
a
d
b
e
c
6cm 4cm
4cm3 cm5cm
Find the perimeter of these regular polygons*:
The perimeters of some regular polygons are given in the table below. Fill in the length of the sides:
Theseregularpolygons*havesidesofequallengths.
Perimeter – perimeter of shapes
3
4
Perimeter 24cm 40cm 48cm 25cm
Length of each side
*Not drawn to scale.
2 cmP = 16 cm
2 cmP = 10 cm
1 cmP = 6 cm
1 cmP = 4 cm
What is the fastest way to do this?
P = cm
P = cm
P = cm
P = cm
P = cm
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
18 F 3
a
d
b
e
c
6cm 4cm
4cm3 cm5cm
Find the perimeter of these regular polygons*:
The perimeters of some regular polygons are given in the table below. Fill in the length of the sides:
Theseregularpolygons*havesidesofequallengths.
Perimeter – perimeter of shapes
3
4
Perimeter 24cm 40cm 48cm 25cm
Length of each side
*Not drawn to scale.
2 cmP = 16 cm
2 cmP = 10 cm
1 cmP = 6 cm
1 cmP = 4 cm
What is the fastest way to do this?
P = cm
P = cm
P = cm
P = cm
P = cm20
30 32
18 16
4 cm 10 cm 6 cm 5 cm
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
19F 3
a
b
c
e
g
d
f
h
Perimeter – calculate perimeter
Find the perimeter of these shapes. Choose a unit of measurement to express your answer.1
20 cm
2 m
40cm
45cm
1.5m
1.8 m
7m2 m
6m
These shapes are all symmetrical. How does that help me?
P =
P =
P =
1.5m
20 cm
P =
3 m
8 m
P =
9m 1 m 3 m
2 m
P =
P =
P =
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
19F 3
a
b
c
e
g
d
f
h
Perimeter – calculate perimeter
Find the perimeter of these shapes. Choose a unit of measurement to express your answer.1
20 cm
2 m
40cm
45cm
1.5m
1.8 m
7m2 m
6m
These shapes are all symmetrical. How does that help me?
P =
P =
P =
1.5m
20 cm
P =
3 m
8 m
P =
9m 1 m 3 m
2 m
P =
P =
P =
170 cm
440 cm
6.6 m
22 m
48 m
28 m
56 m
3.4 m
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
20 F 3
a b
c
Irregularshapesarenotsymmetrical.Thismeansweneedtomeasureeachside.
2
3
Why? __________________________________________________________________________________
_______________________________________________________________________________________
4m
3 m
6m
14m
9m
Pool A4m
4m
10 m
6m
6m
3 m
Pool B
Perimeter – calculate perimeter
P = cm
P = cm
6cm
3 cm
3 cm
1 cm
1 cm
1 cm
1 cm
2 cm
2 cm
4cm
Find the perimeters of these irregular shapes:
P = cm
1 cm
3 cm
4cm
2 cm
2 cm
3 cm
3 cm
2 cm
Which of these designs for backyard pools would be the least expensive to fence?
1 cm
1 cm
2 cm
1 cm
3 cm
4cm
3 cm
5cm
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
20 F 3
a b
c
Irregularshapesarenotsymmetrical.Thismeansweneedtomeasureeachside.
2
3
Why? __________________________________________________________________________________
_______________________________________________________________________________________
4m
3 m
6m
14m
9m
Pool A4m
4m
10 m
6m
6m
3 m
Pool B
Perimeter – calculate perimeter
P = cm
P = cm
6cm
3 cm
3 cm
1 cm
1 cm
1 cm
1 cm
2 cm
2 cm
4cm
Find the perimeters of these irregular shapes:
P = cm
1 cm
3 cm
4cm
2 cm
2 cm
3 cm
3 cm
2 cm
Which of these designs for backyard pools would be the least expensive to fence?
1 cm
1 cm
2 cm
1 cm
3 cm
4cm
3 cm
5cm
24
20
20
Pool B
The perimeter of Pool B is smaller than the perimeter of Pool A.
Pool A = 36 m Pool B = 33 m
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
23F 3
What to do
Perimeter problems solve
a Thelengthofarectangleisdoubleitswidth.Findtheperimeterifthewidth is 200 cm.
b Thelengthofarectangleis6timesitswidth.Findthelengthandwidthoftherectangleiftheperimeteris7metres.
c Charlieranaroundtheschool3times.Howfardidsherun?Writeyouranswer inkm.
d Jakewantstobuildafencearoundhisswimmingpooltocomplywithsafetyregulations.Ifthelengthofhispoolareais6metresandthewidthis4metres,howmuchwillitcost?Fencingcosts$55.50ametre.
100 m
280 m
200 m
40m
300 m
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
23F 3
What to do
Perimeter problems solve
a Thelengthofarectangleisdoubleitswidth.Findtheperimeterifthewidth is 200 cm.
b Thelengthofarectangleis6timesitswidth.Findthelengthandwidthoftherectangleiftheperimeteris7metres.
c Charlieranaroundtheschool3times.Howfardidsherun?Writeyouranswer inkm.
d Jakewantstobuildafencearoundhisswimmingpooltocomplywithsafetyregulations.Ifthelengthofhispoolareais6metresandthewidthis4metres,howmuchwillitcost?Fencingcosts$55.50ametre.
100 m
280 m
200 m
40m
300 m
1 200 cm or 12 m
Length = 3 m
Width = 50 cm
1 160 m × 3 = 3.48 km
20 × $55.50 = $1 110
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
25F 4
a
Area= cm2
b
Area= cm2
c
Area= cm2
What is the area of each rectangle? Each square in the grid has an area of 1 cm². Some of the squares have been marked in for you.
d Didyouneedtoseeallthesquarestoworkoutthearea?__________
What is the area of each shaded shape? Each square in the grid has an area of 1 cm².
Shade the grid to show a rectangle with the area of 6 cm².
Area – introducing area
1
2
3
Areaistheamountofspaceashapecovers.Itisa2Dmeasurement.
Wemeasureareainsquareunits.Forsmallareasweusesquarecentimetres. 1 cm
1 cm
a
Area= cm2
b
Area= cm2
c
Area= cm2
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
25F 4
a
Area= cm2
b
Area= cm2
c
Area= cm2
What is the area of each rectangle? Each square in the grid has an area of 1 cm². Some of the squares have been marked in for you.
d Didyouneedtoseeallthesquarestoworkoutthearea?__________
What is the area of each shaded shape? Each square in the grid has an area of 1 cm².
Shade the grid to show a rectangle with the area of 6 cm².
Area – introducing area
1
2
3
Areaistheamountofspaceashapecovers.Itisa2Dmeasurement.
Wemeasureareainsquareunits.Forsmallareasweusesquarecentimetres. 1 cm
1 cm
a
Area= cm2
b
Area= cm2
c
Area= cm2
4
15 20 18
2 4
Answers will vary.
3 × 2 rectangle shaded.Sample answer.
No
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
26 F 4
In each shape*, you are given the area but one side is not labelled. Label the missing side:
Find the areas of these shapes*:
Wecanusethisformulatofindtheareaofrectangles:
Area=length×width
Area=3×5=15cm2
a b c
d e f
a b c
6cm
4cm
2 cm
5cm
2 cm
3 cm
8 m
4m
4cm
4cm
1 cm
4cm
5cm
5cm
3 cm 3 cm
4
5
Area – introducing area
*Not drawn to scale.
Area= cm2
Area= cm2
Area= cm2
Area= cm2
Area= m2
Area= cm2
Area=20m2
4m
Area=14m2
7mArea=24m2
8 m
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
26 F 4
In each shape*, you are given the area but one side is not labelled. Label the missing side:
Find the areas of these shapes*:
Wecanusethisformulatofindtheareaofrectangles:
Area=length×width
Area=3×5=15cm2
a b c
d e f
a b c
6cm
4cm
2 cm
5cm
2 cm
3 cm
8 m
4m
4cm
4cm
1 cm
4cm
5cm
5cm
3 cm 3 cm
4
5
Area – introducing area
*Not drawn to scale.
Area= cm2
Area= cm2
Area= cm2
Area= cm2
Area= m2
Area= cm2
Area=20m2
4m
Area=14m2
7mArea=24m2
8 m
24
10 32 6
16 4
5 m
2 m
3 m
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
28 F 4
Order the states and territories from smallest to largest areas:
Find the area of each large area*. Write your answer in hectares.
Hectaresareusedtomeasurelargespacessuchasafootballfield.
Wewritehectaresasha.Onehectareisequalto10000m².
Anevenlargerunitisasquarekilometrekm².Onesquarekilometreisequalto100hectares.
1ha=10000m² 1km²=1000000m²
Area – hectares and square kilometres
1
2
1 _________________________
4 _________________________
7 _________________________
2 _________________________
5 _________________________
8 _________________________
3 _________________________
6 _________________________
a
Area= hectares
b
Area= hectares
c
Area= hectares
300 m
100 m250m
100 m
120 m
120 m
d
Area= hectares
e
Area= hectares
f
Area= hectares
100 m
450m
200 m
300 m400m
150m
States and Territories Area
Queensland 1727200km²
New South Wales 801600km²
Victoria 227600km²
ACT 2400km²
WesternAustralia 2525500km²
SouthAustralia 984000km²
Tasmania 67800km²
NorthernTerritory 1346200km²
1km²=1000000m²
WESTERNAUSTRALIA
NORTHERNTERRITORY
QUEENSLAND
NEWSOUTHWALES
SOUTH AUSTRALIA
TASMANIA
*Not drawn to scale.
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
28 F 4
Order the states and territories from smallest to largest areas:
Find the area of each large area*. Write your answer in hectares.
Hectaresareusedtomeasurelargespacessuchasafootballfield.
Wewritehectaresasha.Onehectareisequalto10000m².
Anevenlargerunitisasquarekilometrekm².Onesquarekilometreisequalto100hectares.
1ha=10000m² 1km²=1000000m²
Area – hectares and square kilometres
1
2
1 _________________________
4 _________________________
7 _________________________
2 _________________________
5 _________________________
8 _________________________
3 _________________________
6 _________________________
a
Area= hectares
b
Area= hectares
c
Area= hectares
300 m
100 m250m
100 m
120 m
120 m
d
Area= hectares
e
Area= hectares
f
Area= hectares
100 m
450m
200 m
300 m400m
150m
States and Territories Area
Queensland 1727200km²
New South Wales 801600km²
Victoria 227600km²
ACT 2400km²
WesternAustralia 2525500km²
SouthAustralia 984000km²
Tasmania 67800km²
NorthernTerritory 1346200km²
1km²=1000000m²
WESTERNAUSTRALIA
NORTHERNTERRITORY
QUEENSLAND
NEWSOUTHWALES
SOUTH AUSTRALIA
TASMANIA
*Not drawn to scale.
3
6 4.5 6
2.5 1.44
ACT
New South Wales
Queensland
Tasmania
South Australia
Western Australia
Victoria
Northern Territory
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
29F 4
Use the 1 cm grid below to draw three shapes with areas of 10 cm² but with different perimeters. Record the perimeter of each shape:
Use the grid below to draw two shapes with a perimeter of 12 cm but with different areas:
Area – area and perimeter
Find the perimeter and area of each shape:1
2
3
a b
c d
P = __________
A=__________
P = __________
A=__________
P = __________
A=__________P = __________
A=__________
a P = cm b P = cm c P = cm
1 cm
1 cm
1 cm
1 cm
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
29F 4
Use the 1 cm grid below to draw three shapes with areas of 10 cm² but with different perimeters. Record the perimeter of each shape:
Use the grid below to draw two shapes with a perimeter of 12 cm but with different areas:
Area – area and perimeter
Find the perimeter and area of each shape:1
2
3
a b
c d
P = __________
A=__________
P = __________
A=__________
P = __________
A=__________P = __________
A=__________
a P = cm b P = cm c P = cm
1 cm
1 cm
1 cm
1 cm
Answers will vary.
Answers will vary.
16 cm
14 cm
12 cm
20 cm
16 cm²
12 cm²
9 cm²
16 cm²
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
30 F 4
Draw 3 different rectangles that have a perimeter of 24 cm and record the area in the table. The first row in the table is a hint of where to start.
Draw as many different rectangles as you can with the area of 36 cm². Label the length of each side:
4
5
Length Width Area
10 2
Area – area and perimeter
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
30 F 4
Draw 3 different rectangles that have a perimeter of 24 cm and record the area in the table. The first row in the table is a hint of where to start.
Draw as many different rectangles as you can with the area of 36 cm². Label the length of each side:
4
5
Length Width Area
10 2
Area – area and perimeter
Teacher check.
Teacher check.
Copyright © 3P Learning
Length, Perimeter and Area
SERIES TOPIC
32 F 4
d
Area= cm2
e
Area= cm2
f
Area= cm2
a
Area= cm2
b
Area= cm2
c
Area= cm2
What to do next
Drawacompositeshapethathasanareaof50cm².
What to do
Composite calculations apply
Canyoufindtheareasoftheserooms*?Circletheroomthatwouldbecheapest tocarpet.
Putacrossintheroomthatwouldbemostexpensive.
4cm
9cm
12 cm
6cm
8 cm
8 cm
5cm
5cm
3 cm
2 cm
8 cm
1 cm2 cm
6cm6cm
9cm
6cm
3 cm
3 cm
9cm
*Not drawn to scale.
15cm8 cm
7cm
3 cm
11 cm
4cm3 cm
2 cm3 cm
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Length, Perimeter and Area
SERIES TOPIC
32 F 4
d
Area= cm2
e
Area= cm2
f
Area= cm2
a
Area= cm2
b
Area= cm2
c
Area= cm2
What to do next
Drawacompositeshapethathasanareaof50cm².
What to do
Composite calculations apply
Canyoufindtheareasoftheserooms*?Circletheroomthatwouldbecheapest tocarpet.
Putacrossintheroomthatwouldbemostexpensive.
4cm
9cm
12 cm
6cm
8 cm
8 cm
5cm
5cm
3 cm
2 cm
8 cm
1 cm2 cm
6cm6cm
9cm
6cm
3 cm
3 cm
9cm
*Not drawn to scale.
15cm8 cm
7cm
3 cm
11 cm
4cm3 cm
2 cm3 cm
Teacher check.
50
50 84 101
18 63