# Module 4 lesson 15

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15-Jul-2015

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StandforNumbers

StudentOutcomes

Studentsidenfypartsofanalgebraicexpressionusingmathemacaltermsforalloperaons.

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ClassworkOpeningExerciseCompletethegraphicorganizerwithmathemacalwordsthatindicateeachoperaon.Somewordsmaynotindicateonlyoneoperaon.

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Example1Writeanexpressionusingwords.a.ab

b.xy

c.4f+u

aminusb thedierenceofaandb

4mesfplusu

thesumof4mulpliedbyfandu

theproductofxandy

xmulpliedbyy

xmesy

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d.db3

e.5(u10)+h

dminusbcubed

thedierenceofdandthequantybtothethirdpower .

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f.

ndthequoentof3andthesumofdandf

3dividedbythequantydplusf

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ExercisesCircleallthevocabularywordsthatcouldbeusedtodescribethegivenexpression.

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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?