Solve simple one-step equations · 2020-05-19 · Solve simple one-step equations 1 Write an...
Transcript of Solve simple one-step equations · 2020-05-19 · Solve simple one-step equations 1 Write an...
Solve simple one-step equations
1 Writeanequationforeachpart-wholemodel.
Workoutthevalueofthemultilinkcubeineachequation.
a)
=
b)
=
2 Therearesomecountersunderthecup.
Thereare10countersintotal.
a) Ifcisthenumberofcountersunderthecup,explainwhy
c+6=10
b) Workoutthevalueofc. c=
c) Howmanycountersareunderthecup?
3 Writealgebraicequationstorepresentthebarmodels.
Findthevalueofaineachone.
a) 8
a a
c)a
3 3 3
a= a=
b) 15
a 10
d)a
7 6
a= a=
4 Nijahissolvingtheequationx–8=20
WhatmistakehasNijahmade?
©WhiteRoseMaths2019
6
18
x – 8 = 20
x = 20 – 8
x = 12
5 Solvetheequations.
a) x+7=20 d) g–3=15
x= g=
b) 10y=80 e) 32=t–5
y= t=
c) 4m=22 f) u6
=3
m= u=
6 Filipthinksofanumber.
Hesubtracts5fromhisnumber.
Heendsupwith10
WriteanalgebraicequationtorepresentFilip’sproblem.
Solvetheequationtoworkouthisnumber.
©WhiteRoseMaths2019
7 Dexterbuildsatower.
Eachblockis2ahigh.
Heuses7blocks.
Thetotalheightofhistoweris42cm.
WriteanequationtorepresenttheheightofDexter’stowerand
findthevalueofa.
a= cm
8 Workoutthevalueofeachshape.
Writetheequationsthatyousolvedtofindthevalueofeachshape.
=
32
= = =
Workoutthemissingtotalofeachrowandcolumn.
Compareanswerswithapartner.
2a
=40
=20