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3The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
TheFrameworkforsec
ondarymathematics:overviewan
dlearningobjectives
Overviewofstrands
Strands
Sub-strands
Strands
Sub-strands
1Mathe
maticalprocessesandapplications
3Algebra
1.1
Representing
3.1
Equations,formulae,expressionsandidentities
1.2
Analysingusemathematicalreasoning
3.2
Sequences,functionsandgraphs
1.3
Analysinguseapp
ropriatemathematicalprocedures
4Geometryandmeasures
1.4
Interpretingandevaluating
4.1
Geometricalreasoning
1.5
Communicatingandreflecting
4.2
Transformationsandcoordinates
2Numb
er
4.3
Constr
uctionandloci
2.1
Placevalue,orderin
gandrounding
4.4
Measu
resandmensuration
2.2
Integers,powersan
droots
5Statistics
2.3
Fractions,decimals,percentages,ratioandproportion
5.1
Specifyingaproblem,planningandcollectingdata
2.4
Numberoperations
5.2
Proces
singandrepresentingdata
2.5
Mentalcalculationmethods
5.3
Interpretinganddiscussingresults
2.6
Writtencalculationmethods
5.4
Probability
2.7
Calculatormethods
2.8
Checkingresults
Crown copyright 2009 01061-2009DOM-EN
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5
Learn
ingobjectives
1Mathematicalprocessesanda
pplications
Solvepro
blems,exploreandinvestigate
inarangeofcontexts
Increasethechallengeandbuildprogressionacrossthekeystage,andfor
groupsofpupilsby:
tincrea
singthecomplexityoftheapplication,e.g.non-routine,multi-stepproblems,extendedenquiries
treduc
ingthefamiliarityofthecontext,e.g.newcontextsinmathematics,contextsdrawnfromothersu
bjects,otheraspectsofpupilsliv
es
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
tincrea
singthetechnicaldemandofth
emathematicsrequired,e.g.mo
readvancedconcepts,moredifficultprocedures
tincrea
singthedegreeofindependenc
eandautonomyinproblem-solv
ingandinvestigation
Representing
1.1 id
entifythenecessary
informat
ionto
understa
ndorsimplify
acontextorproblem;
represen
tproblems,
makingcorrectuse
ofsymbols,words,
diagrams,tablesand
graphs;u
seappropriate
proceduresandtools,
includingICT
Year7
Year8
Year9
Year10
Year11
Extension
identifythe
mathematicalfeatures
ofacontextor
problem;tryout
and
comparemathem
atical
representations;
select
appropriateproc
edures
andtools,includ
ingICT
breakdownsubstantial
taskstomakethem
moremanageable;
representproblems
andsynthesise
informationin
algebraic,geometrical
orgraphicalform;
movefromoneform
toanothertogaina
differentperspective
ontheproblem
compareandevaluate
representations;
explainthefeatures
selectedandjustify
thechoiceof
representationin
relationtothecontext
chooseandcombine
representationsfroma
rang
eofperspectives;
intro
duceandusea
rang
eofmathematical
tech
niques,themost
effic
ientforanalysis
and
mosteffectivefor
com
munication
systematicallymodel
contextsorproblems
throughprecise
andconsiste
ntuse
ofsymbolsa
nd
representations,and
sustainthisthroughout
thework
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6
Ana
lysingusemathematic
alreasoning
1.2 Y
ear7
Year8
Year9
Year10
Year11
Extension
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
classifya
ndvisualise
propertiesand
patterns;generalise
insimple
casesby
working
logically;draw
simpleconclusions
andexplainreasoning;
understa
ndthe
significanceofa
counter-example;
takeacco
untof
feedbackandlearn
frommis
takes
visualiseand
manipulatedyna
mic
images;conjectu
re
andgeneralise;m
ove
betweenthegen
eral
andtheparticula
rto
testthelogicofan
argument;identify
exceptionalcase
sor
counter-examples;
makeconnectionswith
relatedcontexts
useconnectionswith
relatedcontextsto
improvetheanalysisof
asituationorproblem;
posequestionsand
makeconvincing
argumentstojustify
generalisationsor
solutions;recognisethe
impactofconstraintsor
assumptions
identifyarange
ofstrategiesand
appreciatethatmore
thanoneapproach
maybenecessary;
exploretheeffects
ofvaryingvaluesand
lookforinvarianceand
covarianceinmodels
andrepresentations;
examineandrefine
arguments,conclusions
andgeneralisations;
producesimpleproofs
makeprogressby
exploringmathematical
tasks,developing
andfollowing
alter
nativeapproaches;
exam
ineandextend
generalisations;support
assumptionsbyclear
argu
mentandfollow
throughasustained
chainofreasoning,
inclu
dingproof
presentrigorousand
sustainedarguments;
reasoninductively,
deduceand
prove;
explainandjustify
assumptionsand
constraints
Ana
lysinguseappropriate
mathematicalprocedures
1.3Withinthe
appropriaterangeandcontent:
makeaccu
ratemathematicaldiagrams,gra
phsandconstructionsonpaperandonscreen;calculateaccurate
ly,selectingmentalmethodsorc
alculating
devicesas
appropriate;manipulatenumbers,algebraicexpressionsandequ
ations,andapplyroutinealgorith
ms;useaccuratenotation,includ
ingcorrect
syntaxwh
enusingICT;recordmethods,so
lutionsandconclusions;estimate
,approximateandcheckworking
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9
2Num
ber
Plac
evalue,orderingandrounding
2.1
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
Year7
Year8
Year9
Year10
Year11
Extension
understa
ndanduse
decimalnotationand
placevalue;multiply
anddivid
eintegers
anddecimalsby10,
100,1000,andexplain
theeffec
t
compare
andorder
decimals
indifferent
contexts
;knowthat
whencomparing
measure
mentsthe
unitsmu
stbethesame
roundpo
sitivewhole
numberstothenearest
10,100o
r1000,and
decimals
tothenearest
wholenu
mberorone
decimalplace
readandwritepositive
integerpowerso
f10;
multiplyanddivide
integersanddec
imals
by0.1and0.01
orderdecimals
roundpositivenumbers
toanygivenpow
er
of10;rounddecimals
tothenearestwhole
numberortooneor
twodecimalplac
es
extendknowledge
ofintegerpowers
of10;recognisethe
equivalenceof0.1,101
and101;multiplyand
dividebyanyinteger
powerof10
useroundingtomake
estimatesandtogive
solutionstoproblems
toanappropriate
degreeofaccuracy
convertbetween
ordinaryand
standardindexform
representations,using
significantfiguresas
appropriate;justifythe
representationused
andchoiceofaccuracy
inrelationtothe
problemandaudience
forthesolution
engagein
mathematicaltasks
whereusingnumbers
instandardform
isessentialtothe
calculationsinvolved;
critic
allyexaminethe
effectofnumerical
representations
ontheaccuracyof
thesolution,e.g.
understandhowerrors
canbecompounded
inca
lculations
communicatethe
solutiontoa
problem,
explainingthe
limitationso
faccuracy,
usingupper
and
lowerbound
s
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10
Inte
gers,powersandroots
2.2 Ye
ar7
Year8
Year9
Year10
Year11
understa
ndnegative
numbers
aspositions
onanum
berline;
order,ad
dandsubtract
integers
incontext
recogniseanduse
multiples,factors,
primes(lessthan100),
common
factors,
highestc
ommon
factorsandlowest
common
multiplesin
simplecases;usesimple
testsofd
ivisibility
recognisethefirstfew
triangula
rnumbers;
recognisethesquares
ofnumberstoat
least12
12andthe
correspo
ndingroots
add,subtract,multiply
anddivideintegers
usemultiples,factors,
commonfactors,
highestcommon
factors,lowest
commonmultiplesand
primes;findtheprime
factordecomposition
ofanumber,e.g.
8000=26
53
usesquares,positive
andnegativesqu
are
roots,cubesand
cuberoots,andindex
notationforsma
ll
positiveintegerpowers
usetheprimefactor
decompositionof
anumber
useICTtoestimate
squarerootsand
cuberoots
useindexnotationfor
integerpowers;know
andusetheindexlaws
formultiplicationand
divisionofpositive
integerpowers
examineandextend
theindexlawsto
establishthemeaning
ofnegative,fractional
andzeropowers,
includinguseof
surdnotation
exam
ineandextend
theindexlawsto
establishthemeaning
ofin
verseoperationsin
relat
iontoindices,i.e.
theinverseoperation
ofra
isingapositive
num
bertopowernis
raisingtheresultofthis
operationtopower1n
Extension
solveaprob
lem
usingrationaland
irrationalnumbers,
includingsurds
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
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11
Frac
tions,decimals,percent
ages,ratioandproportion
2.3 Ye
ar7
Year8
Year9
Year10
Year11
Extension
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
expressasmallerwhole
numberasafractionof
alargero
ne;simplify
fractions
bycancelling
allcomm
onfactors
andiden
tifyequivalent
fractions
;convert
terminat
ingdecimals
tofractio
ns,e.g.
2
3
=
0.23
10
0;use
diagramstocompare
twoorm
oresimple
fractions
addand
subtract
simplefr
actionsand
thosewithcommon
denomin
ators;
calculate
simple
fractions
ofquantities
andmea
surements
(whole-n
umber
answers);multiplya
fractionbyaninteger
recognisethata
recurringdecimalisa
fraction;usedivisionto
convertafractiontoa
decimal;orderfractions
bywritingthem
witha
commondenom
inator
orbyconverting
them
todecimals
understandthe
equivalenceofsimple
algebraicfractions;
knowthatarecurring
decimalisanexact
fraction
explainthepatterns
foundinrecurring
decimals;justify
whydecimalsrecur
orterminateby
consideringfactorsof
thedenominator
explorethehistorical
andculturalrootsof
thenumbersystem
and
usealgebrato
justifyandprovesome
ofitsfeatures,e.g.that
allre
curringdecimals
canbeexpressedas
afraction
showinsightintothe
infinitedens
ityofthe
numberline;make
senseofthe
proofthat
2isirration
al
addandsubtract
fractionsbywriting
themwithacom
mon
denominator;calculate
fractionsofquan
tities
(fractionanswers);
multiplyanddividean
integerbyafraction
useefficientmethodsto
add,subtract,multiply
anddividefractions,
interpretingdivisionas
amultiplicativeinverse;
cancelcommonfactors
beforemultiplying
ordividing
understandandapply
efficientmethodsto
add,subtract,multiply
anddividefractions,
interpretingreciprocals
asmultiplicative
inverses
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12
Frac
tions,decimals,percent
ages,ratioandproportion(continued)
2.3 Ye
ar7
Year8
understa
ndpercentage
asthenumberofparts
per100;
calculate
simplepercentages
andusepercentages
tocomparesimple
proportions
recognisethe
equivalenceof
percenta
ges,fractions
anddecimals
understa
ndthe
relations
hipbetween
ratioand
proportion;
usedirec
tproportion
insimple
contexts;use
rationotation,simplify
ratiosanddividea
quantity
intotwo
partsinagivenratio;
solvesim
pleproblems
involving
ratioand
proportionusing
informal
strategies
interpretpercentage
astheoperatorso
manyhundredth
s
ofandexpresso
ne
givennumberas
a
percentageofan
other;
calculatepercentages
andfindtheoutcome
ofagivenpercen
tage
increaseordecre
ase
usetheequivalence
offractions,decimals
andpercentages
to
compareproportions
applyunderstanding
oftherelationship
betweenratioan
d
proportion;simp
lify
ratios,including
those
expressedindiff
erent
units,recognisinglinks
withfractionnotation;
divideaquantity
into
twoormorepartsin
agivenratio;use
the
unitarymethodto
solvesimpleproblems
involvingratioand
directproportion
Year9
Year10
Year11
Extension
recognisewhen
fractionsor
percentagesare
neededtocompare
proportions;solve
problemsinvolving
percentagechanges
useproportional
reasoningtosolve
problems,choosing
thecorrectnumbers
totakeas100%,oras
awhole;comparetwo
ratios;interpretand
useratioinarange
ofcontexts
identifywhena
probleminnumber,
algebra,geometry
orstatisticsinvolves
proportionality;use
multiplicativemethods
fluentlyinthesolution,
includinginverse
calculations,e.g.
withpercentages
mod
elrealcontexts
wherequantitiesvary
indirectproportion,
inclu
dingrepeated
prop
ortionalchange,
e.g.growth/decay;use
algebraicmethods
whereappropriateand
cons
iderlimitationsof
themodel
(asin
2.4
)
understandanduse
directandin
verse
proportion;solve
problemsinvolving
inverseprop
ortion
(includingy?1
/x2)
(asin2
.4)
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
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13
Num
beroperations
2.4 Ye
ar7
Year8
Year9
Year10
Year11
Extension
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
understa
ndandusethe
understandand
usethe
understandtheeffects
recogniseanduse
mod
elrealcontexts
understandanduse
rulesofa
rithmeticand
rulesofarithmet
icand
ofmultiplyingand
reciprocalsasa
wherequantitiesvary
directandin
verse
inverseo
perationsin
inverseoperationsin
dividingbynumbers
multiplicativeinverse
indirectproportion,
proportion;solve
thecontextofpositive
thecontextofintegers
between0and1;
incontextssuchas
inclu
dingrepeated
problemsinvolving
integers
anddecimals
andfractions
consolidateuseofthe
enlargement;explore
prop
ortionalchange,
inverseprop
ortion
rulesofarithmeticand
thebehaviourofthe
growth/decay;use
e.g.
(includingy?
1/x2)
inverseoperations
reciprocalfunction
algebraicmethods
(asin2
.3)
(y=
/x)forlargeand
whereappropriateand
smallvaluesofx
cons
iderlimitationsof
themodel
(asin
2.3
)
usetheo
rderof
usetheorderof
understandtheorder
operations,including
operations,inclu
ding
ofprecedenceof
brackets
brackets,withm
ore
operations,including
complexcalculations
powers
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14
Men
talcalculationmethods
2.5 Ye
ar7
Year8
Year9
Year10
Year11
Extension
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
recallnumber
facts,inc
luding
positiveinteger
complem
entsto100
andmultiplicationfacts
to1010,andquickly
deriveas
sociated
divisionfacts
strengthenandextend
mentalm
ethodsof
calculationtoinclude
decimals
,fractions
andperc
entages,
accompa
niedwhere
appropriatebysuitable
jottings;
solvesimple
problem
smentally
makeandjustify
estimate
sand
approxim
ationsof
calculations
recallequivalent
fractions,decimals
andpercentages
;
useknownfacts
to
deriveunknown
facts,
includingproducts
involvingnumbe
rs
suchas0.7and6
,and
and8
0.03
strengthenandextend
mentalmethods
of
calculation,work
ing
withdecimals,
fractions,percen
tages,
squaresandsquare
roots,cubesand
cube
roots;solveprob
lems
mentally
useknownfactsto
deriveunknown
facts;extendmental
methodsofcalculation,
workingwithdecimals,
fractions,percentages,
factors,powersand
roots;solveproblems
mentally
selectmentalor
writtenstrategies
andcalculating
devicesappropriate
tothestageofthe
problem;calculate
accuratelywith
reciprocals,powers,
trigonometrical
functionsandnumbers
instandardform
(asin2
.6and2
.7)
selectandjustify
anappropriateand
effic
ientcombination
ofm
ethodsof
calculation,i.e.
men
tal,written,ICT
orca
lculatortosolve
prob
lems
(asin
2.6
)
appreciatew
henresults
ofcalculationscanbe
moreelegan
tlyand
exactlycommunicated
usingsurdsand
,rationalisinga
denominato
rwhere
appropriate,e.g.
atrigonome
trical
solution
(asin2
.6)
makeandjustify
makeandjustify
examineandrefine
estimatesand
estimatesand
estimatesand
approximationsof
approximationsof
approximationsof
calculations
calculations
calculationsinvolving
rounding
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15
Writtencalculationmethods
2.6 Ye
ar7
Year8
Year9
Year10
Year11
Extension
useefficientwritten
methods
toadd
andsubt
ractwhole
numbers
anddecimals
withuptotwoplaces
multiply
anddivide
three-digitbytwo-
digitwholenumbers;
extendtomultiplying
anddivid
ingdecimals
withone
ortwoplaces
bysingle
-digitwhole
numbers
useefficientwrit
ten
methodstoaddand
subtractintegersand
decimalsofanysize,
includingnumbers
withdifferingnu
mbers
ofdecimalplaces
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
useefficientwrit
ten
methodsfor
multiplicationan
d
divisionofintegersand
decimals,includingby
decimalssuchas
0.6or
0.06;understand
where
topositionthed
ecimal
pointbyconside
ring
equivalentcalculations
useefficientwritten
methodstoaddand
subtractintegersand
decimalsofanysize;
multiplybydecimals;
dividebydecimals
bytransformingto
divisionbyaninteger
selectmentalor
writtenstrategies
andcalculating
devicesappropriate
tothestageofthe
problem;calculate
accuratelywith
reciprocals,powers,
trigonometrical
functionsandnumbers
instandardform
(asin2
.5and2
.7)
selectandjustify
anappropriateand
effic
ientcombination
ofm
ethodsof
calculation,i.e.
men
tal,written,ICT
orca
lculatortosolve
prob
lems
(asin
2.5
)
appreciatew
henresults
ofcalculationscanbe
moreelegan
tlyand
exactlycommunicated
usingsurdsand
,rationalisinga
denominato
rwhere
appropriate,e.g.
atrigonome
trical
solution
(asin2
.5)
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16
Calc
ulatormethods
2.7 Ye
ar7
Year8
Year9
Year10
Year11
Extension
carryoutcalculations
withmorethanone
stepusin
gbracketsand
themem
ory;usethe
squarero
otandsign
changek
eys
enternumbersand
interpret
thedisplay
indiffere
ntcontexts
(decimals,percentages,
money,m
etric
measures)
carryoutmored
ifficult
calculationseffectively
andefficientlyusing
thefunctionkeysfor
signchange,pow
ers,
rootsandfractio
ns;
usebracketsand
thememory
useacalculator
efficientlyand
appropriatelyto
performcomplex
calculationswith
numbersofanysize,
knowingnottoround
duringintermediate
stepsofacalculation;
usetheconstant,
andsignchangekeys;
usethefunctionkeys
forpowers,rootsand
fractions;usebrackets
andthememory
selectmentalor
writtenstrategies
andcalculating
devicesappropriate
tothestageofthe
problem;calculate
accuratelywith
reciprocals,powers,
trigonometrical
functionsandnumbers
instandardform
(asin2
.5and2
.6)
critic
allyexamine
alter
nativemethods,
comparestrategiesfor:
tc
alculating
(including
calculatingdevices)
tc
hecking
reco
gnisethe
limit
ationsofsome
approaches
(asin
2.8
)
reflectonasolutionto
aproblemcommenting
constructive
lyonthe
choiceofcalculating
strategies
(asin2
.8)
enternumbersand
interpretthedisplay
indifferentcontexts
(extendtonegat
ive
numbers,fractions,
time)
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
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17
Che
ckingresults
2.8 Ye
ar7
Year8
Year9
Year10
Year11
Extension
checkresultsby
consideringwhether
theyare
oftheright
orderofmagnitude
andbyw
orking
problem
sbackwards
selectfromaran
ge
checkresultsusing
identifyarangeof
ofcheckingmethods,
appropriatemethods
checkingstrategiesand
includingestima
ting
appreciatethatmore
incontextandusing
thanonewaymay
inverseoperations
benecessaryinthe
contextoftheproblem
critic
allyexamine
alter
nativemethods,
com
parestrategiesfor:
tc
alculating
(including
calculatingdevices)
tc
hecking
reco
gnisethe
limit
ationsofsome
approaches
(asin
2.7
)
reflectonasolutionto
aproblemcommenting
constructive
lyonthe
choiceofchecking
strategies
(asin2
.7)
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
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19
3Algebra
Equations,formulae,expressionsandidentities
3.1
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
Year7
Year8
Year9
Year10
Year11
Extension
uselettersymbolsto
recognisethatle
tter
distinguishthe
presentconvincing
exam
ineandrefine
usesymbols
and
represen
tunknown
symbolsplaydifferent
differentrolesplayed
algebraicargumentsto
algebraicarguments
representati
ons
numbers
orvariables;
rolesinequation
s,
bylettersymbolsin
justifygeneralisations
pres
entedtoexplain
consistently
topresent
knowthemeanings
formulaeandfunctions;
equations,identities,
orsolutions;relate
geometricaland
aformalpro
of,e.g.
ofthewordsterm,
knowthemeanings
formulaeandfunctions
argumentstothe
num
ericalproperties;
derivingthe
formula
expressio
nandequation
ofthewordsform
ula
structureofthecontext
chooseandcombine
forsolvingq
uadratic
andfunction
orproblem;produce
representationsto
equations
simpleproofs
pres
entaconvincing
proo
f
understa
ndthat
understandthat
useindexnotationfor
usealgebraic
appreciatethe
algebraicoperations
algebraicoperations,
integerpowersand
representationto
generalityoftheforms
followth
erulesof
includingtheuseof
simpleinstancesof
synthesiseknownrules
a+b
=candab=c,
arithmet
ic
brackets,followthe
theindexlaws
ofarithmetic,including
whe
reeachtermcan
rulesofarithmet
ic;use
thecommutativeand
itselfbeanexpression;
indexnotationforsmall
distributivelaws;justify
usethisinsightinto
positiveintegerpowers
thesegeneralisations,
structuretodevelop
usingspatial
e.g.
fluencyintransforming
representations;use
morecomplex
algebraicargumentto
equations
generalisetheindex
lawsformultiplication
anddivisiontoinclude
zero,negativeand
fractionalpowers
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Equations,formulae,expressionsandidentities(con
tinued)
3.1 Ye
ar7
Year8
Year9
Year10
Year11
Extension
simplifylinearalgebraic
expressionsby
collectingliketerms;
multiply
asingleterm
overabr
acket(integer
coefficients)
simplifyortransform
linearexpression
sby
collectingliketerms;
multiplyasingle
term
overabracket
simplifyortransform
algebraicexpressions
bytakingoutsingle-
termcommonfactors;
addsimplealgebraic
fractions
developfluencyin
transforminglinear
expressions;expand
theproductoftwo
linearexpressions
oftheformxn
andfactorisesimple
quadraticexpressions;
establishidentitiessuch
asthedifferenceof
twosquares;compare
andevaluatedifferent
representationsofthe
samecontext;identify
equivalentexpressions
andconfirmby
transformation
expa
ndandfactorise
quadraticexpressions;
simp
lifyortransform
alge
braicfractions,
byfactorisingand
e.g.canc
ellingcommon
factors;compareand
evaluatedifferent
representationsofthe
samecontext;identify
equivalentexpressions
and
confirmthisby
transformation
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
8/8/2019 Sec Frmwrk Ma Overw[1]
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21
Equations,formulae,expressionsandidentities(con
tinued)
3.1 Ye
ar7
Year8
Year9
Year10
Year11
Extension
construc
tand
solvesim
plelinear
equation
swithinteger
coefficients(unknown
ononesideonly)using
anappro
priatemethod
inve
rseoperations)
(e.g.
constructandso
lve
linearequations
with
integercoefficients
(unknownoneitheror
bothsides,witho
utand
withbrackets)us
ing
appropriatemethods
inverseoperations,
(e.g.
transformingboth
sidesinsamewa
y)
usegraphsands
et
upequationstosolve
simpleproblems
involvingdirect
proportion
constructandsolve
linearequationswith
integercoefficients
(withandwithout
brackets,negative
signsanywhereinthe
equation,positiveor
negativesolution)
usealgebraicmethods
tosolveproblems
involvingdirect
proportion;relate
algebraicsolutions
tographsofthe
equations;useICT
asappropriate
constructlinear
equationsandsimple
linearinequalities(one
variable)torepresent
real-lifesituations
ormathematical
problems;solve
linearequations
andinequalities,
representingthe
solutioninthecontext
oftheproblem
cons
tructsimple
quadraticequations
tore
presentreal-
lifes
ituationsor
mathematicalproblems
and
solvethem
usingfactorisation,
grap
hicalortrialand
improvementmethods;
justifythenumber
ofso
lutionsusing
alge
braicorgraphical
argu
mentsandselect
appropriatesolutions,
interpretingtheir
accu
racy
representreal-
lifesituation
sor
mathematicalproblems
involving:
tmore
co
mplex
quadrat
ic
equations,
choosin
gan
appropriate
method
of
solution
including
completingthe
squareanduseof
theform
ula
tdirec
torinverse
proport
ion,
includin
g
y?
x2,
y?1/x
2
relatealgebraic
solutionsto
graphical
representati
onofthe
functions
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
8/8/2019 Sec Frmwrk Ma Overw[1]
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22
Equations,formulae,expressionsandidentities(con
tinued)
3.1 Ye
ar7
Year8
Year9
Year10
Year11
Extension
usesystematictrialand
improvementmethods
andICTtoolstofind
approximatesolutions
toequationssuchas
x2+
x=20
explorewaysof
constructingmodels
ofreal-lifesituations
bydrawinggraphs
andconstructing
algebraicequationsand
inequalities
(Seeobjectiveabove
(Seeobjectiveabove
(Seeobjectiveabove
forprogression)
forprogression)
forprogression)
constructapairof
simultaneouslinear
equationstorepresent
real-lifesituations
ormathematical
problems;examine
andcompare
algebraicmethodsof
solution;usegraphical
representationto
explainwhythe
intersectionoftwo
linesgivesthecommon
solutionandwhysome
caseshavenocommon
solutionandothers
haveaninfinitenumber
selectandjustify
optimummethods
forsolvingapair
ofsimultaneous
linea
requationsina
varie
tyofcontexts;
cons
tructseveral
linea
rinequalities
inon
eandtwo
varia
blestorepresent
real-
lifesituations
orm
athematical
prob
lems;solve
theinequalities
grap
hically,identifying
and
interpretingthe
solutionsetinthe
cont
extoftheproblem
solvemorec
omplex
pairsofsimu
ltaneous
equationsgenerated
fromreal-lifecontexts
orgeometrical
investigations,
includingpa
irswhere
oneislinear
andthe
otherisquadraticorof
theformx2 +
y2=
r2
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
8/8/2019 Sec Frmwrk Ma Overw[1]
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23
Equations,formulae,expressionsandidentities(con
tinued)
3.1 Ye
ar7
Year8
Year9
Year10
Year11
Extension
usesimp
leformulae
frommathematics
andothe
rsubjects;
substitutepositive
integers
intolinear
expressionsand
formulae
and,insimple
cases,de
riveaformula
useformulaefrom
mathematicsandother
subjects;substitute
integersintosim
ple
formulae,including
examplesthatle
ad
toanequationto
solve;substitute
positiveintegers
into
expressionsinvo
lving
smallpowers,e.g
.
3x2+
4or2x3;de
rive
simpleformulae
useformulaefrom
mathematicsand
othersubjects;
substitutenumbers
intoexpressionsand
formulae;derivea
formulaand,insimple
cases,changeits
subject
deriveformulae,e.g.
inthecontextof
mensuration;interpret
arangeofformulae
drawnfromreal-life
contextsandother
subjects,relating
thevariablestothe
contextanddescribing
theirbehaviour;
solveproblemsby
manipulatingformulae
deriveanduse
form
ulaethatinvolve
morevariables
orm
orecomplex
alge
braicexpressions;
man
ipulateformulae
inor
dertoreacha
solution,showinsight
into
themathematical
conn
ections,e.g.using
thecontextandthe
form
ulaetoexplainthe
prop
ortionaleffectof
vary
ingvalues
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
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24
Sequences,functionsandgraphs
3.2 Ye
ar7
Year8
Year9
Year10
Year11
Extension
describe
integer
sequences;generate
termsof
asimple
sequence,givena
rule(e.g.
findinga
termfromtheprevious
term,findingaterm
givenits
positionin
thesequ
ence)
generatetermso
f
alinearsequence
usingterm-to-term
andposition-to-term
rules,onpapera
nd
usingaspreadsh
eetor
graphicscalculator
generatetermsofa
sequenceusingterm
to-termandposition
to-termrules,onpaper
andusingICT
generate
sequences
frompat
ternsor
practical
contextsand
describe
thegeneral
termins
implecases
develop,compareand
evaluatealgebraicand
spatialrepresentations
ofsituationsthat
generatesequences;
interpret,deduceand
justifygeneralisations
forthenthtermof
linearandquadratic
sequences,including
thepropertiesof
squareandtriangular
numbers
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
uselinearexpressions
todescribethenthterm
ofasimplearithm
etic
sequence,justifying
itsformbyreferringto
theactivityorpractical
contextfromwhichit
wasgenerated
generatesequences
frompracticalcontexts
andwriteandjustifyan
expressiontodescribe
thenthtermofan
arithmeticsequence
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25
Sequences,functionsandgraphs(continued)
3.2 Ye
ar7
Year8
Year9
Year10
Year11
Extension
expresssimple
expresssimple
findtheinverseofa
comparegraphical,
functionsinwords,
functionsalgebraically
linearfunction
algebraicand
thenusin
gsymbols;
andrepresentth
em
geometrical
represen
tthemin
inmappingsoro
na
representations,
mapping
s
spreadsheet
includingmapping
diagrams,toexplain
theeffectof:
trotat
ingtheline
y=mx+cthrough
90aboutany
point
trefle
ctingtheline
y=mx+cinthe
liney=x
derivepropertiesof
perpendicularlinesand
oftheinversefunction
generate
coordinate
generatepointsinall
generatepointsand
exploregraphsof
expl
oreconnections
exploregrap
hsof
pairstha
tsatisfya
fourquadrantsa
ndplot
plotgraphsoflinear
functionsoftheform
betw
eentheformof
exponential
and
simplelinearrule;plot
thegraphsoflinear
functions,whereyis
y=xn(
naninteger)
theequationandthe
trigonometrical
andrecognisetheir
resultinggraphsof
functionsan
drecognise
thegraphsofsimple
functions,where
yis
givenimplicitlyinterms
linearfunctions,where
givenexplicitlyinterms
ofx(e.g.a
y+bx=0,
characteristicshapes;
quadraticandcubic
theircharact
eristic
yisgiven
explicitly
ofx,onpaperan
d
y+bx+c=0),onpaper
varythevaluesofa,b
func
tionssuchas:
shapes;applytothe
interms
ofx,on
usingICT;recogn
ise
andusingICT;findthe
andcinfunctionssuch
graphy=f(x)the
ty=(x+2)(x5)
paperan
dusingICT;
thatequationsof
gradientoflinesgiven
asy=ax2+
c,
transformations
ty=
(x2)(x2
+7x+12)
recognisestraight-line
theformy=mx+c
byequationsofthe
y=ax3+
c,
y=
f(x)+a,y
=af(x),
graphsp
aralleltothe
correspondtostraight-
formy=mx+c,given
y=(x+b)2usinga
y=
f(x+a),y
=f(ax)for
ty=x2
2x+1
x-axisor
y-axis
linegraphs
valuesformandc
graphplottertoexplain
linear,quadr
atic,sine
ty=x3+
3
howthistransforms
andcosinefunctions;
thegraph
useagraphplotterto
inclu
defeaturessuch
explaintheeffectof
asro
otsoftheequation,
transformationsonthe
interceptsandturning
graphandgeneralise
poin
ts
tootherfunctions
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
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26
Sequences,functionsandgraphs(continued)
3.2 Ye
ar7
Year8
Year9
Year10
Year11
Extension
plotand
interpretthe
constructlinear
constructfunctions
sketchandinterpret
applyknowledgeof
setupamat
hematical
graphso
fsimplelinear
functionsarising
from
arisingfromreal-life
graphsthatmodelreal-
mathematicalfunctions
modelofareal-life
functionsarisingfrom
real-lifeproblem
s
problemsandplottheir
lifesituations,including
toproblemsinvolving:
contextorp
roblem,
real-lifes
ituations,e.g.
andplottheir
correspondinggraphs;
thosegenerated
identifyingt
he
to
ptimisation,
conversiongraphs
correspondingg
raphs;
interpretgraphsarising
fromothersubjects
variablesandtheir
usingnumerical,
discussandinter
pret
fromrealsituations,e.g.
suchasscience;
functionalre
lationship;
algebraicand
graphsarisingfrom
timeseriesgraphs
usemathematical
usegraphsa
nd
graphical,
realsituations,e.g.
argumenttojustify
sketchestoexplain
techniques,
distancetimegraphs
featuresoftheirshapes
thebehaviourofthe
includingmaxima
variablesandtoexplain
andminima
orjustifythe
effectof
tu
singICTtofit
assumptionsin
acurvetodata
themodel
fromarealcontext
suchasascience
experiment
tre
peated
proportional
change,e.g.
compoundinterest
useICTtoexplorethe
graphicalrepresentation
ofalgebraicequations
andtointerprethow
propertiesofthegraph
arerelatedtofeatures
oftheequation,
paralleland
e.g.
perpendicularlines
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27
Sequences,functionsandgraphs(continued)
3.2 Ye
ar7
Year8
Year9
Year10
Year11
Extension
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
interpretthemeaning
ofvariouspointsand
sectionsofstraight-
linegraphs,including
interceptsand
intersections,e.g.s
olving
simultaneouslinear
equations
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29
4Geo
metryandmeasures
Geo
metricalreasoning
4.1 Ye
ar7
usecorre
ctlythe
vocabula
ry,notation
andlabe
lling
conventionsforlines,
anglesandshapes
identifyparalleland
perpend
icularlines;
knowthesumofangles
atapoin
t,onastraight
lineandinatriangle;
recognisevertically
opposite
angles
identifyalternate
anglesand
correspondingangles;
understandaproof
that:
tthea
nglesu
mofa
triangleis18
0and
ofaquadrila
teral
is360
tthee
xterior
angle
ofatriangle
is
equaltothe
sum
ofthetwoin
terior
oppositeangles
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
Year8
Year9
Year10
Year11
Extension
distinguishbetween
conventions,
definitionsandderived
properties
explainhowtofind,
calculateanduse:
tthes
umsofthe
interiorand
exteriorangles
ofquadrilaterals,
pentagonsand
hexagons
tthein
teriorand
exterioranglesof
regularpolygons
knowthedefinitionof
acircleandthenames
ofitsparts;explain
whyinscribedregular
polygonscanbe
constructedbyequal
divisionsofacircle
examineand
exam
ineandcreate
presentrigo
rousand
refinearguments
chainsofdeductive
sustainedarguments
insolutionsto
reasoninginsolutions
inthesolutionof
geometricalproblems,
tom
orecomplex
geometrical
problems;
distinguishingbetween
geometricalproblems
constructformal
practicaldemonstration
geometrical
proofs
andproof;produce
simpleproofs
usedynamicimagesto
examinethe
points
demonstrateinvariant
andlinesusedtocreate
relationshipsbetween
exam
ineandcreate
standardconstructions
radii,chordsand
proo
fsofthecircle
andusethe
conditions
tangentsincircles;
theo
rems;usecircle
ofcongruen
ceto
developarguments
theo
remstosolve
presentaproofthatthe
toexplainandjustify
prob
lems
standardconstructions
simplecircleproperties
areexact
andtheorems
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30
Geo
metricalreasoning(continued)
4.1
Year8
Year9
Year10
Year7
identifyanduseangle,
sideand
symmetry
propertiesoftriangles
andquadrilaterals;
exploregeometrical
problem
sinvolving
theseproperties,
explainin
greasoning
orally,us
ingstep
by-stepdeduction
supporte
dbydiagrams
solvegeometrical
problemsusingside
andangleprope
rties
ofequilateral,
isoscelesandright-
angledtriangles
and
specialquadrilaterals,
explainingreaso
ning
withdiagramsandtext;
classifyquadrilat
erals
bytheirgeometrical
properties
knowthatiftwo
2-D
shapesarecongruent,
correspondingsides
andanglesareequal
solveproblems
usingpropertiesof
angles,ofparalleland
intersectinglinesand
oftrianglesandother
polygons,justifying
inferencesand
explainingreasoning
withdiagramsandtext
understand
congruenceand
exploresimilarity
investigatePythagoras
theorem,u
singavariety
ofmedia
,throughits
historicandcultural
roots
,includingpicture
proofs
solvegeometrical
problemsusing
propertiesoflines,
angles,polygons
andcircles;justify
argumentsand
solutionsusing
deductivereasoning
drawinferencesabout
propertiesofsimilar
2-Dshapesanduse
proportionalreasoning
tosolvegeometrical
andtrigonometrical
problems
visualiseandmanipulate
dynamicimagesand
usescaledrawingto
investigateareasof
squaresonsidesof
right-angledandnon
right-angledtriangles,
relatingfindingsto
Pythagorastheorem;
usePythagorastheorem
tosolveproblemsin2-D
andsimple3-Dcases
Year11
form
aliseexisting
knowledgeoflines,
anglesandpolygonsby:
tu
singthe
congruence
conditions(SSS,SAS,
RHS,ASA)todeduce
familiarproperties
oftrianglesand
quadrilaterals,e.g.
anisoscelestriangle
hastwoequal
angles
te
xplaining
whystandard
constructionswork,
e.g.observingthat
linesjoiningpoints
wherecompassarcs
meetaresidesofa
rhombus
Extension
(seeobjective
above
forprogression)
engagewithand
expl
ainthestagesof
avarietyofproofsof
Pyth
agorastheorem;
usePythagoras
theo
remtosolvemore
com
plex3-Dproblems
presentand
justify
aformalpro
ofof
Pythagoras
theorem
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31
Geo
metricalreasoning(continued)
4.1 Ye
ar7
Year8
Year9
Year10
Year11
use2-Drepresentations
visualise3-Dsha
pes
tovisualise3-Dshapes
fromtheirnets;u
se
anddeducesomeof
geometricalproperties
theirpro
perties
ofcuboidsandshapes
madefromcubo
ids;
usesimpleplans
and
elevations
visualiseanduse2-D
representationsof3-D
objects;analyse3-D
shapesthrough2-D
projections,including
plansandelevations
visualiseanddescribe
propertiesofpoints,
linesandplanesin3-D
space,includingcross
sectionscreatedby
slicinga3-Dshape
visualiseand
manipulateimages
toestablish
trigonometrical
relationshipsby:
tgene
rating
trianglesusinga
rotatingunitradius
(circle,centrethe
origin)
tident
ifyingthe
propertiesof
similartriangles
formedby
enlargementsof
thecircle
usetrigonometrical
relationshipstosolve
simpleproblemsin2-D,
includingbearings
derivetheformula
ab
sinCforthe
area
ofatriangle;
usetrigonometrical
relat
ionshipsto
solvemorecomplex
2-Dproblemsand
prob
lemsin3-D,such
asth
eanglebetweena
lineandaplane
Extension
draw,sketch
and
comparethe
graphs
oftrigonometrical
functionsan
d
transformationsof
thesegraphs;provethe
sineandcos
inerules
andusethemtosolve
2-Dand3-D
problems
inarangeofcontexts
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
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32
Tran
sformationsandcoordinates
4.2
Year8
Year9
Year10
Year11
Year7
understa
ndandusethe
languageandnotation
associate
dwith
reflections,translations
androtations
recogniseandvisualise
thesymm
etriesofa2-D
shape
transform
2-Dshapes
by:
trefle
ctingingiven
mirrorlines
trotat
ingabouta
give
npoint
ttrans
lating
explorethese
transform
ationsand
symmetriesusingICT
identifyallthe
symmetriesof2-
D
shapes
transform2-Dsh
apes
byrotation,refle
ction
andtranslation,on
paperandusing
ICT
tryoutmathema
tical
representationsof
simplecombinationsof
thesetransforma
tions
identifyreflection
symmetryin3-D
shapes
recognisethat
translations,rotations
andreflections
preservelengthand
angle,andmapobjects
ontocongruent
images
exploreandcompare
mathematical
representationsof
combinationsof
translations,rotations
andreflectionsof2-D
shapes,onpaperand
usingICT
deviseinstructionsfor
acomputertogenerate
andtransformshapes
usepreciselanguage
andnotation
todescribeand
generalisethe
resultsofcombining
transformationsof2-D
shapesonpaperand
usingICT,including:
trotat
ionsabout
anypoint
trefle
ctionsinany
line
ttrans
lationsusing
vectornotation
tatran
sformation
anditsinverse
generateandanalyse
patterns,e.g.Islamic
designs
expl
ainand
dem
onstrate
grap
hicallythe
effectsofcombining
translations,using
vectornotation,
inclu
ding:
tth
erulefor
additionofvectors
ts
calar
multiplicationofa
vector(repeated
addition)
Extension
explainand
demonstrate
graphicallyt
he
effectsofco
mbining
translations,using
vectornotat
ion,
including:
tthed
ifferenceof
twovec
tors
tther
esu
ltantof
twovec
tors
tthec
om
mutative
andassociative
propert
iesof
vectora
ddition
solvesimple
geometrical
problems
in2-Dusing
vectors
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
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33
Tran
sformationsandcoordinates(continued)
4.2
Year8
Year9
Year10
Year11
Extension
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
Year7
useconv
entions
andnota
tionfor
2-Dcoordinatesin
allfourq
uadrants;
findcoordinatesof
pointsdetermined
bygeom
etrical
informat
ion
understandand
usethe
languageandno
tation
associatedwith
enlargement;en
large
2-Dshapes,givena
centreofenlarge
ment
andapositiveinteger
scalefactor;explore
enlargementusingICT
makescaledraw
ings
findthemidpoin
tof
thelinesegmentAB,
giventhecoordinates
ofpointsAandB
enlarge2-Dshapes,
givenacentreof
enlargementanda
positiveintegerscale
factor,onpaperand
usingICT;identify
thescalefactorof
anenlargement
astheratioofthe
lengthsofanytwo
correspondingline
segments;recognise
thatenlargements
preserveanglebutnot
length,andunderstand
theimplicationsof
enlargementfor
perimeter
enlarge2-Dshapes
usingpositive,
fractionalandnegative
scalefactors,on
paperandusing
ICT;usereciprocals
asamultiplicative
inverseinthecontext
ofenlargement;
recognisethesimilarity
ofresultingshapes
andexplaintheeffect
ofenlargementon
perimeter
useandinterpretmaps
andscaledrawings
inthecontextof
mathematicsandother
subjects
usethecoordinate
gridtosolveproblems
involvingtranslations,
rotations,reflections
andenlargements
applytheproperties
ofsimilartrianglesand
Pythagorastheorem
tosolvingproblems
presentedona2-D
coordinategrid;
usea3-Dcoordinate
gridtorepresent
simpleshapes
enlarge3-Dshapes;
iden
tifyandexplainthe
effectsofenlargement
ona
reasandvolumes
ofsimilarshapes
and
solids;relatethis
understandingto
prac
ticalcontexts,e.g.
inbiology
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34
Con
structionandloci
4.3 Ye
ar7
Year8
Year9
Year10
Year11
Extension
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
usearulerand
protractorto:
tmeas
ureanddraw
linestothenearest
millimetreand
angles,including
refle
xangles,to
thenearestdegree
tcons
tructa
trian
gle,given
two
sidesandthe
inclu
dedangle
(SAS
)ortwoangles
and
theincluded
side
(ASA)
usestraightedgeand
compassestoconstruct:
tthem
idpoin
tand
perpendicular
bisectorofa
line
segment
ttheb
isector
of
anangle
tthep
erpend
icular
fromapointto
aline
tthep
erpend
icular
fromapointon
aline
tatria
ngle,given
threesides(SSS)
usestraightedgeand
compassestoconstruct
triangles,givenright
angle,hypotenuseand
side(RHS)
useICTtoexplore
constructionsof
trianglesandother
2-Dshapes
findthelocusofapoint
thatmovesaccording
toasimplerule,both
byreasoningandby
usingICT
usepropertiesof
2-Dand3-Dshapes
tomakeaccurate
constructionsonpaper
andusingICT;including
constructingtriangles
fromcombinations
ofsideandangle
facts,reviewingand
generalisingfindings
toidentifywhichof
theseconditionsdefine
uniqueconstructions
useICTtoexplore
useICTtoexplore
construc
tions
theseconstructions
useruler
andprotractor
toconstr
uctsimple
netsof3
-Dshapes,
cubo
id,regular
e.g.
tetrahed
ron,square-
basedpy
ramid,
triangula
rprism
findsimpleloci,both
byreasoningandby
usingICT,toproduce
shapesandpath
s,e.g.
anequilateraltriangle
visualiseanddescribe
thelocusofapoint
thatmovesaccording
toamorecomplex
rule;explainthe
pathusingaccurate
geometricalvocabulary
andnotationanduse
avarietyofmedia,
includingdynamic
geometrysoftware,
sketchesandgraphs
createachainof
reasoningtodeduce
theequationofa
circlebyapplying
Pyth
agorastheoremto
thelocusofapoint
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35
Mea
suresandmensuration
4.4 Ye
ar7
Year8
Year9
Year10
Year11
Exte
nsion
choosea
nduseunits
ofmeasu
rementto
measure,estimate,
calculate
andsolve
problem
sineveryday
contexts
;convertone
metricunittoanother,
gram
stokilograms;
e.g.
readand
interpretscales
onarangeofmeasuring
instrume
nts
distinguishbetweenand
estimate
thesizeofacute,
obtuseandreflexangles
chooseanduse
units
ofmeasuremen
tto
measure,estim
ate,
calculateandsolve
problemsinar
angeof
contexts;know
rough
metricequivale
ntsof
imperialmeasu
resin
commonuse,s
uch
asmiles,pound
s(lb)
andpints
usebearingsto
specify
direction
solveproblemsinvolv
ing
measurementsina
varietyofcontexts;
convertbetweenarea
measures(e.g.mm2 to
cm2,cm2tom2,andvice
versa)andbetween
volumemeasures(e.g
.
mm3tocm3,cm3tom
3,
andviceversa)
Interpretandexplore
combiningmeasures
intoratesofchangein
everydaycontexts(e
.g.k
m
perhour,penceperme
tre);
usecompoundmeasures
tocompareinreal-life
contexts(e
.g.t
ravelgra
phs
andvalueformoney),
usingICTasappropriate
.
interpretanduse
compoundmeasures,
includingfromother
subjectsandreallife;
solveproblemsinvolving
rates;convertbetween
compoundmeasures,
choosingunitsmost
suitedtothesolution
makeconnections
betweenthecontinuity
ofthenumberlineand
continuousmeasures;
criticallyexaminethe
measurementsusedina
problemandtheireffect
ontheaccuracyofthe
solution,e.g.understand
howerrorscanbe
compounded
com
municate
thesolution
toa
problem
invo
lving
mea
surement,
explainingthe
limitationsof
accu
racyusing
upperand
lowe
rbounds
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
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36
Mea
suresandmensuration(continued)
4.4 Ye
ar7
Year8
Year9
Year10
Year11
Extension
knowandusethe
deriveandusefo
rmulae
formulafortheareaof
fortheareaofa
arectangle;calculate
triangle,parallelo
gram
theperim
eterandarea
andtrapezium;
ofshapesmadefrom
calculateareasof
rectangles
compoundshapes
solveproble
ms
involvingmore
complexsha
pes
andsolids,in
cluding
segmentsof
circlesand
frustumsofcones
calculate
thesurface
areaofcubesand
cuboids
knowanduseth
e
formulaforthev
olume
ofacuboid;calculate
volumesandsur
face
areasofcuboids
and
shapesmadefro
m
cuboids
knowandusethe
formulaeforthe
circumferenceandarea
ofacircle
calculatethesurface
areaandvolumeof
rightprisms
presentaconcise
reasonedargumentto
deriveformulaefor:
tlengt
hsofcircular
arcs
tareas
ofsectorsof
acircle
tsurfa
ceareaof
acylinder
tvolum
eofa
cylinder
solveproblems
involvingtheuseof
theseformulae
pres
entaconcise
reasonedargument
whe
nderiving
form
ulaeforthe
surfaceareasof
pyra
midsandcones;
expl
oreconnections
betw
een:
tfo
rmulaefor
thevolumeofa
pyramidandthe
relatedcuboid
tfo
rmulaefor
thesurfacearea
andvolumeofa
sphereandthe
circumscribedand
inscribedcubes
solveproblems
invo
lvingtheuseof
thes
eformulae
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
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37
5Statistics
5.1
Spec
ifyingaproblem,planningandcollecting
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
Year7
Year8
Year9
Year10
Year11
Extension
suggestpossible
answers,givena
question
thatcanbe
addresse
dbystatistical
methods
discussaproblemthat
canbeaddressedby
statisticalmetho
ds
andidentifyrelated
questionstoexp
lore
suggestaproblemto
exploreusingstatistical
methods,frame
questionsandraise
conjectures
independentlydevisea
suitableplanforamore
complexstatistical
project,selecting
suitablehypothesesto
addresstheproblem
evaluatepossible
difficultieswith
plan
nedapproaches;
adju
sttheproject
plan
accordingly,
inclu
dingreconsidering
hypotheses
decidew
hichdata
wouldberelevanttoan
enquiryandpossible
sources
decidewhichdata
tocollecttoansw
er
aquestionandthe
degreeofaccura
cy
needed;identify
possiblesources;
considerappropriate
samplesize
discusshowdifferent
setsofdatarelateto
theproblem;identify
possibleprimaryor
secondarysources;
determinethe
samplesizeandmost
appropriatedegreeof
accuracy
justifythesampling
methodselected,
identifypossible
sourcesofbiasand
planhowtominimiseit
iden
tifypractical
prob
lemssuchas
non-responseor
miss
ingdataandrefine
approachestominimise
theirimpactonthe
valid
ityoftheresults
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38
5.1
Spec
ifyingaproblem,planningandcollecting(continued)
Year7
Year8
Year9
Year10
Year11
Extension
planhow
tocollectand
organise
smallsetsof
datafrom
surveysand
experiments:
tdesig
ndata
colle
ctionsheets
orquestionnaires
touseinasimple
surv
ey
tcons
truct
frequencytables
forg
athering
discretedata,
grou
pedwhere
appropriate
ineq
ualclass
intervals
planhowtocollect
thedata;constru
ct
frequencytables
with
equalclassintervalsfor
gatheringcontin
uous
dataandtwo-wa
y
tablesforrecording
discretedata
designasurveyor
experimenttocapture
thenecessarydata
fromoneormore
sources;design,trial
andifnecessaryrefine
datacollectionsheets;
constructtablesfor
gatheringlargediscrete
andcontinuoussets
ofrawdata,choosing
suitableclassintervals;
designandusetwo-
waytables
gatherdatafrom
specifiedsecondary
sources,including
printedtablesandlists,
andICT-basedsources,
includingtheinternet
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
01061-2009DOM-EN Crown copyright 2009
decideonthebest
methodsfortesting
thehypotheses;
select,justifyanduse
thedata-gathering
techniquemost
appropriatetothe
context,deciding
betweenarange
ofsources:primary
(observation,controlled
experiment,data
logging)andsecondary
(spreadsheetdata,
printedtables,lists)
select,justifyanduse
thedata-gathering
tech
niqueappropriate
toco
mplexand
unfa
miliarproblems,
iden
tifyingpotential
barriersandlimitations;
iden
tifywhatextra
informationmaybe
requ
iredtopursuea
furth
erlineofenquiry
selectandcritically
evaluateasampling
schemeand
amethod
toinvestigatea
population,
including
randomand
stratified
sampling;ex
plainthe
effectonreliability
andvalidity
collectsmallsetsof
collectdatausinga
datafrom
surveys
suitablemethod
(e.g.
andexperiments,as
observation,con
trolled
planned
experiment,data
loggingusingICT)
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39The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Processingandrepresenting
data
5.2 Y
ear7
Year8
Year9
Year10
Year11
Extension
calculate
statisticsfor
smallset
sofdiscrete
data:
tfindt
hemode,
med
ianandrange,
and
themodal
classforgrouped
data
tcalcu
latethe
mea
n,including
from
asimple
frequencytable,
usingacalculator
fora
largernumber
ofitems
calculatestatistics
forsetsofdiscrete
andcontinuous
data,includingw
ith
acalculatorand
spreadsheet;recognise
whenitisappropriate
tousetherange,mean,
medianandmod
eand,
forgroupeddata
,the
modalclass
calculatestatistics
andselectthosemost
appropriatetothe
problemorwhich
addressthequestions
posed
useanappropriate
rangeofstatistical
methodstoexplore
andsummariselarge
datasets,justifying
thechoicesmade;
includegrouping
data,estimatingand
findingthemean,
median,quartilesand
interquartilerange
proc
essdatadrawn
from
problems
invo
lvingseasonality
and
trendsinatime
serie
s;chooseand
com
binestatistical
methodstoanalyse
theproblem,including
mov
ingaverages
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Processingandrepresenting
data(continued)
5.2 Y
ear7
Year8
Year9
Year10
construc
t,onpaper
andusingICT,graphs
anddiag
ramsto
represen
tdata,
including:
tbar-l
inegraphs
tfrequ
ency
diag
ramsfor
grou
peddiscrete
data
tsimp
lepiecharts
constructgraphical
representations,
on
paperandusing
ICT,
andidentifywhich
aremostusefulinthe
contextoftheproblem,
including:
tpiec
hartsfo
r
categoricaldata
tbarc
hartsand
frequency
diagramsfor
discreteand
continuousdata
tsimp
lelineg
raphs
fortimeseries
tsimp
lescatter
graphs
tstem-and-le
af
diagrams
select,construct
andmodify,on
paperandusingICT,
suitablegraphical
representationsto
progressanenquiry
andidentifykey
featurespresentinthe
data.Include:
tlineg
raphsfor
timeseries
tscatt
ergraphsto
developfurther
understandingof
correlation
constructonpaper
andusingICT
suitablegraphical
representations,
including:
thisto
grams
forgrouped
continuousdata
withequalclass
intervals
tcumu
lative
frequencytables
anddiagrams
tboxp
lots
tscatt
ergraphsand
linesofbestfit
(byeye)
justifytheirsuitability
withreferencetothe
contextoftheproblem
andtheaudience
workthroughtheentire
handlingdatacycleto
explorerelationships
withinbi-variatedata
,
includingapplications
toglobalcitizenship
,e.g.
howfairisoursociety?
Year11
Extension
chooseandcombine
suita
blegraphical
representationsto
prog
ressanunfamiliar
ornon-routineenquiry,
inclu
dinghistograms
with
equalorunequal
class
intervals
usepreciseand
consistentgraphical
representati
onto
progressan
unfamiliar
andnon-rou
tine
enquiry
40 The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
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41
Inte
rpretinganddiscussing
results
5.3
Year8
Year9
Year10
Year11
Extension
The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Crown copyright 2009 01061-2009DOM-EN
Year7
interpret
diagramsand
graphs(includingpie
charts)anddrawsimple
conclusionsbasedon
theshap
eofgraphs
andsimp
lestatisticsfor
asingledistribution
compare
twosimple
distributionsusingthe
rangean
doneofthe
mode,m
edianormean
writeashortreportof
astatisticalenquiry,
includingappropriate
diagrams,graphsand
charts,usingICTas
appropriate;justifythe
choiceofpresentation
interprettables,
graphsanddiagrams
fordiscreteand
continuousdata,
relatingsummar
y
statisticsandfindings
tothequestions
being
explored
comparetwo
distributionsusingthe
rangeandoneormore
ofthemode,me
dian
andmean
writeaboutand
discusstheresultsofa
statisticalenquir
yusing
ICTasappropriate;
justifythemetho
ds
used
interpretgraphsand
diagramsandmake
inferencestosupport
orcastdoubtoninitial
conjectures;havea
basicunderstandingof
correlation
comparetwoor
moredistributions
andmakeinferences,
usingtheshapeof
thedistributionsand
appropriatestatistics
reviewinterpretations
andresultsofa
statisticalenquiryon
thebasisofdiscussions;
communicatethese
interpretationsand
resultsusingselected
tables,graphsand
diagrams
findpatternsand
interpretandcompare
explainand
justify
exceptionsandexplain
distr
ibutions,including
assumptionsand
anomalies;including
cum
ulativefrequency
constraints;include
interpretationof
diag
rams;makeand
interpretatio
nand
socialstatisticsand
discussinferences,
comparison
of
evaluationofthe
usingtheshapeof
histogramswith
strengthofassociation
thedistributionsand
unequalclas
sintervals
withinbi-variatedata
mea
suresofaverage
(correlation,linesof
and
spread,including
bestfit)
med
ianandquartiles
evaluatetheresults
criticallyexamine
usestatistical
ofastatistical
strat
egiesadopted
analysiseffe
ctivelyin
enquiry;reviewand
and
arguments
presentingc
onvincing
justifyorrefinethe
pres
ented,relating
conclusions;critically
choiceofstatistical
them
totheoriginal
reflectonow
nlines
representationsand
hypotheses;recognise
ofenquiry;s
earch
relatesummariseddata
thelimitationsofany
forandappr
eciate
tothequestionsbeing
assu
mptionsandthe
moreelegan
tforms
explored
effectsthatvarying
ofcommunicating
assu
mptionscould
conclusions
have
onconclusions
draw
nfromdata
analysis
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42 The National Strategies | SecondarySecondary mathematics subject leader development materials: Spring 2010
Probability
5.4 Y
ear7
Year8
Year9
Year10
Year11
Extension
usevoca
bularyand
ideasofprobability,
drawing
onexperience
interprettheresults
ofanexperiment
usingthelangua
geof
probability;appreciate
thatrandompro
cesses
areunpredictable
interpretresults
involvinguncertainty
andprediction
identifywhenthe
eventsinaproblem
aremutuallyexclusive
orindependent;use
andinterprettree
diagramstorepresent
outcomesofcombined
eventsandtoinform
thecalculationof
theirprobabilities;
decidewhentoadd
andwhentomultiply
probabilities
interprettheeffect
onp
robabilityof
cont
extsinvolving
selectionwithand
with
outreplacement;
chooseandcombine
representations
toco
mmunicate
prob
abilitiesaspartof
asolutiontoaproblem
recognisewhenand
howtowork
with
probabilitiesassociated
withindependent
andmutually
exclusiveeventswhen
interpreting
data
understa
ndanduse
theprob
abilityscale
from0to
1;findand
justifypr
obabilities
basedon
equallylikely
outcome
sinsimple
contexts
;identifyall
thepossiblemutually
exclusive
outcomesofa
singleev
ent
knowthatifthe
probabilityofan
event
occurringispthenthe
probabilityofitnot
occurringis1p
;use
diagramsandtablesto
recordinasystematic
wayallpossible
mutuallyexclusive
outcomesforsin
gle
eventsandfortw
o
successiveevent
s
identifyallthemutually
exclusiveoutcomes
ofanexperiment;
knowthatthesum
ofprobabilitiesofall
mutuallyexclusive
outcomesis1and
usethiswhensolving
problems
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43
Probability(continued)
5.4 Y
ear7
Year8
Year9
Year10
Year11
Extension
estimate
probabilities
bycollec
tingdatafrom
asimple
experiment
andreco
rdingitin
afrequencytable;
compare
experimental
andtheo
retical
probabilitiesinsimple
contexts
compareestimated
experimental
probabilities
withtheoretical
probabilities,
recognisingthat:
tifan
experim
ent
isrepeatedthe
outcomemay,and
usuallywill,be
different
tincre
asingthe
numberoftimes
anexperime
ntis
repeatedge
nerally
leadstobetter
estimatesof
probability
compareexperimental
andtheoretical
probabilitiesinarange
ofcontexts;appreciate
thedifference
betweenmathematical
explanationand
experimentalevidence
userelativefrequency
asanestimateof
probability,including
simulationusingICT
togeneratelarger
samples;discuss
itsreliabilitybased
onsamplesizeand
usetointerpretand
compareoutcomesof
experiments
expl
orearelevantand
purp
osefulproblem
invo
lvinguncertainty;
estim
ateriskby
mod
ellingrealevents
throughsimulation;
justifydecisionsbased
one
xperimental
prob
abilityand
com
mentonthe
effectofassumptions
and
samplesize
onthereliabilityof
conc
lusions
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