solve two-step equations - amazon web services · 2020-06-11 · solve two-step equations 1 here is...
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Solve two-step equations
1 Hereisapart-wholemodel.
a) Writeanequationforthepart-wholemodel.
b) Solvetheequationtoworkoutthevalueof
=
2 Ifeachmultilinkcuberepresentsx,formandsolveanequationto
findthevaluex.
x=
3 Thereisthesamenumberofcountersundereachcup.
Thereare16countersintotal.
a) Useytorepresentthenumberofcountersundereachcup.
Writeanequationintermsofy.
b) Solvetheequationtofindthevalueofy.
y=
c) Howmanycountersareundereachcup?
4 Writeanalgebraicequationtorepresenteachbarmodel.
Findthevaluesofaandb.
a) 21
a a 9
b)46
3b 10
a= b=
©WhiteRoseMaths2019
40
20
5 Solvetheequations.
a) 5x+1=31 d) 9=2y+8
x= y=
b) 3x–3=9 e) 10g–2=46
x= g=
c) 4p–11=3 f) 4+3y=28
p= y=
6 Danithinksofanumber.
Shedoublesitandadds3
Shegetstheanswer15
a) WriteanequationtorepresentDani’sproblem.
b) Solvetheequationtofindhernumber.
©WhiteRoseMaths2019
7 Alexisyyearsold.
HerfriendBrettis3yearsolder.
Thetotaloftheiragesis25
HowoldareAlexandBrett?
Alexis Brettis
8
a) Workoutthecostofonebananaandoneorange.
Onebananacosts Oneorangecosts
b) Comparemethodswithapartner.
£1.52 £1.20