matching - talhami
TRANSCRIPT
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Matching:Forquestions#9–18,Matchthenumberpropertytoitsappropriateexample.
__________9.AssociativePropertyofMultiplication A. (3+4)+5=5+(3+4)
__________10.AssociativePropertyofAddition B. 3×1=3
__________11.CommutativePropertyofAddition C. 3 -) =1
__________12.CommutativePropertyofMultiplication D. 3×0=0
__________13.IdentityElementofMultiplication E. (3×4)×5=5×(3×4)
__________14.IdentityElementofAddition F. 5+-5=0
__________15.DistributiveProperty G. 7(4+8)=7(4)+7(8)
__________16.InverseElementofAddition H. 10×(4×2)=(10×4)×2
__________17.InverseElementofMultiplication I. (9+12)+6=9+(12+6)
__________18.ZeroProductProperty J. 3+0=3
19.Whichofthefollowingillustratestheassociativepropertyofmultiplication? a)a(bx)=(ab)x b)9(x+2)=9∙x+9∙2 c)c+(d+e)=(c+d)+e d)5(x∙2)x=5(2∙x)x
20.Whichpropertyjustifiesthestatement(a–b)∙0=0? a)InversePropertyofAddition b)IdentityofMultiplication c)InversePropertyofMultiplication d)ZeroProductProperty
H lI 1
A 1E
B
J
GF
C 1D I
DoNow_DS't CI dX groupingX
commutative
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Name:____________________________________________________ Date:_________________________Lesson1-3 N.RN.3a
Adding&SubtractingIntegersGuidedPractice:1.−' + )___________Start:0Move:_________3unitsMove:_________8units
2.−*+ + '__________Start:0Move:_____________unitsMove:_____________units
3.– - + (−')___________Start:0Move:_____________unitsMove:_____________units
4.0 − (−))___________Start:0Move:_____________unitsMove:_____________units
Discovery:
• Whatrulecouldyoucomeupwithforaddingintegers?
• Whatrulecouldyoucomeupwithforsubtractingintegers?
1.2+9=______
2.-4–5=______
3.-7–3=______
4.-5–6=______
5.-3–1=______
6.-8–5=______
7.-4+10=______
8.-8+15=______
9.-4+12=______
10.3–15=______
11.5–10=______
12.12–18=_____
85
tight
5
Hang7
tefft's af ff a
7
He 1 pm
f figight omg 8
if both are or 0 add them and keepthe samesignif theyare differentsubtractthem andkeepthesign of the bigger
K C Ckeepchange change
cc 11 6 cc 12s t 6 3 t 15
9 4 7 5I Ees 5 E w
lo 13 8 6I ES IEE Faffs
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PracticewithADDINGandSUBTRACTINGintegers!Completethefollowingoperations.Makesuretoincludetheappropriatesign.
ConstructedResponse:1) AlyssaandStevenarehavingadiscussionaboutcombiningtwointegers,negativefourandpositive
seven.Alyssathinksthat-4and7areintegers.StevendisagreeswithAlyssa.Statewhoiscorrectandthenexplainyouranswer.
2) Lookatthetwosolutionsbelow.Whoiscorrectandexplainwhytheyarecorrect?
Tim’s work
Combine:
6 + (−18)
12
Sam’s work
Combine:
6 + (−18)
−12
DoNowpg7_
Alyssa is correct because integers are counting
numbers and their negatives
5am is correct becausehe kept the sign ofthe larger number
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Name:____________________________________________________ Date:_________________________Lesson1-4 N.RN.3a
Multiplying&DividingIntegersGuidedPractice:1) 4×3=
2) -D) =3) −5 7 = 4)−6 ∙ −4 = 5)30 ÷ −3 =YouTry:
12
5
35 24 10
48 64 805 110 2412 84 40
108 2800 4v280
8 9 35 5 77 to 2
9
Name:____________________________________________________ Date:_________________________Lesson1-5 N.RN.3a
OrderofOperations
1) 6 + 20 ÷ 4 − 3 2)50 ÷ [2 + 5 − 2 ] 3) IJKD/L) ∙)
YouTry:4)2" ÷ 4 + 5 5)12•3–21÷7 6)14 ÷ 2×6 − 4 + 10
t
7 4 5 2 10 2
7 4125 tlO 2
7 loot 10 12
7 loot 5
93 5
880
6 5 3 50 3 92 511 3 3
so 5 81 58D81 575