Learning Objective: We will define a linear expression and...
Transcript of Learning Objective: We will define a linear expression and...
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NAME:___________________________ Math_____,Period____________Mr.Rogove Date:__________
G8M4L2:LinearExpressionsandLinearEquations1
Learning Objective:Wewilldefinealinearexpressionanddistinguishbetweenlinearandnon-linearexpressions.(G8M4L2)Concept Development: LinearExpression:Alinearexpressionisanexpressionwhereeachtermisaconstant,avariable(likex),oraproductofaconstantandavariable.Examples:
3!
12! − 13
!4 + 3
21− 4!
Non-Examples:!! − 3! − 4
!! − 1
2− !!
!2
!
Term:Anyproductofanintegerpowerofxandaconstantorjustaconstant.Example:4!, 2, !Constant:Afixednumber.Example:2! + 12(12istheconstantterm).Coefficient:Anumberusedtomultiplyavariable.Example:2! + 12(2isthecoefficient)
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NAME:___________________________ Math_____,Period____________Mr.Rogove Date:__________
G8M4L2:LinearExpressionsandLinearEquations2
Guided Practice: StepsforExaminingExpressions1.Readthewrittendescriptioncarefullyanddefineavariable.2.Writeyourexpressionusingsymbolsandsimplifyifpossible.3.Determineiftheexpressionislinearornon-linearbythepowerofx,andidentifytheimportantpartsoftheexpression(coefficient,constant,term)Thesumofanumberand4timesthenumber.Expression:Linear?YesorNoCoefficient(s):
Theproductofanumberand5.Expression:Linear?YesorNoCoefficient(s):
Thesumofanumberandthree,andthentimestheoriginalnumber.Expression:Linear?YesorNoCoefficient(s):
Theproductof19andanumber,subtractedfromthereciprocalofthenumbercubed.Expression:Linear?YesorNoCoefficient(s):
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NAME:___________________________ Math_____,Period____________Mr.Rogove Date:__________
G8M4L2:LinearExpressionsandLinearEquations3
Thesquareofthesumofsixandanumber.Expression:Linear?YesorNoCoefficient(s):Constant:
Foursubtractedfromthereciprocalofanumber.Expression:Linear?YesorNoCoefficient(s):Constant:
Independent Practice:Areeachofthefollowingexpressionslinearornon-linear?Writetheexpressionssymbolically.Anumberdecreasedbythreesquared.Expression:Linear?YesorNoCoefficient(s):Constant:
Twodividedbyanumber,subtractedfromseventeen.Expression:Linear?YesorNoCoefficient(s):Constant:
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NAME:___________________________ Math_____,Period____________Mr.Rogove Date:__________
G8M4L2:LinearExpressionsandLinearEquations4
Thesumof13andtwiceanumber.Expression:Linear?YesorNoCoefficient(s):Constant:
Thesumofanumberandnegativethree,multipliedbythenumber.Expression:Linear?YesorNoCoefficient(s):Constant:
Three-fourthsofanumbermultipliedbyseven.Expression:Linear?YesorNoCoefficient(s):Constant:
Anumberincreasedby5,dividedbytwo.Expression:Linear?YesorNoCoefficient(s):Constant:
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NAME:___________________________ Math_____,Period____________Mr.Rogove Date:__________
G8M4L2:LinearExpressionsandLinearEquations5
Activating Prior Knowledge: WeknowhowtowritemathematicalstatementsusingsymboliclanguageSubtractsevenmorethantwiceanumberfromthesquareofone-thirdofthenumbertogetzero.
Threemorethanfourtimesanumberisthesameasthesquareofhalfthenumber.
Closure: Giveoutexitticketlesson3asclosure…Teacher Notes: Module4,lessons2and3.Homework—giveoutproblemsetforlesson3…pageS.8dueWednesday.