Module 4 lesson 15

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  • Module4Lesson15ReadExpressionsinWhichLettersStandforNumbers.notebook

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    ProblemSetLesson14Answers

  • Module4Lesson15ReadExpressionsinWhichLettersStandforNumbers.notebook

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    MODULE4ExpressionsandEquaonsTopicE:ExpressingOperaonsinAlgebraicFormLesson15:ReadExpressionsinWhichLeers

    StandforNumbers

    StudentOutcomes

    Studentsreadexpressionsinwhichleersstandfornumbers.Theyassignoperaontermstooperaonswhenreading.

    Studentsidenfypartsofanalgebraicexpressionusingmathemacaltermsforalloperaons.

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    ClassworkOpeningExerciseCompletethegraphicorganizerwithmathemacalwordsthatindicateeachoperaon.Somewordsmaynotindicateonlyoneoperaon.

  • Module4Lesson15ReadExpressionsinWhichLettersStandforNumbers.notebook

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    Example1Writeanexpressionusingwords.a.ab

    b.xy

    c.4f+u

    aminusb thedierenceofaandb

    adecreasedbyb bsubtractedfroma

    uaddedtotheproductof4andf

    4mesfplusu

    thesumof4mulpliedbyfandu

    theproductofxandy

    xmulpliedbyy

    xmesy

  • Module4Lesson15ReadExpressionsinWhichLettersStandforNumbers.notebook

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    d.db3

    e.5(u10)+h

    dminusbcubed

    thedierenceofdandthequantybtothethirdpower .

    addhtotheproductof5andthedierenceofuand10

    5mesthequantyofuminus10addedtoh

  • Module4Lesson15ReadExpressionsinWhichLettersStandforNumbers.notebook

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    f.

    Whyis3dividedbydplusfnotacorrectanswer?

    ndthequoentof3andthesumofdandf

    3dividedbythequantydplusf

  • Module4Lesson15ReadExpressionsinWhichLettersStandforNumbers.notebook

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    ExercisesCircleallthevocabularywordsthatcouldbeusedtodescribethegivenexpression.

  • Module4Lesson15ReadExpressionsinWhichLettersStandforNumbers.notebook

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    Writeanexpressionusingvocabularytorepresenteachgivenexpression.

    5.82g

    6.15(a+c)

    7.

    8minustheproductof2andg

    2mesgsubtractedfrom8

    8decreasedbygdoubled.

    15mesthequantyofaincreasedbyc

    theproductof15andthesumofaandc

    15mulpliedbythetotalofaandc.

    thesumofmandndividedby5

    thequoentofthetotalofmandn

    mplusnsplitinto5equalgroups.

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    8.b318

    9.

    10.

    bcubedminus18

    btothethirdpowerdecreasedby18.

    fminusthequoentofdand2

    dsplitinto2groupsthensubtractedfromf

    ddividedby2lessthanf

    udividedbyx

    thequoentof uandx

    udividedintoxparts

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    Closing

    Please take out your exit ticket for Lesson 15, close your binder, and complete the exit ticket. This will be collected.

    Petersaystheexpression113cisthreetimescdecreasedby11.Ishecorrect?Whyorwhynot?

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