chapter reteach percent - lhp 5th grade website
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ChapterChapterChapter ReteachPercent
Activity1 PercentFillineachblank.
1
of100equalpartsareshaded.
100 ofthelargesquareisshaded.
2
of100equalpartsareshaded.
100 ofthelargesquareisshaded.
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1 Percent
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3
of100equalpartsareshaded.
100
ofthelargesquareisshaded.
Fillineachblank.
Example
22 partsof100equalpartsareshaded.
100
22ofthelargesquareisshaded.
22 %ofthelargesquareisshaded.
100
78ofthelargesquareisnotshaded.
78 %ofthelargesquareisnotshaded.
Countthenumberofpartsthatarenotshaded.
Countthenumberofpartsthatareshaded.
2 ReteachGrade5Chapter10Percent
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4 partsof100equalpartsareshaded.
100ofthelargesquareisshaded.
%ofthelargesquareisshaded.
100ofthelargesquareisnotshaded.
%ofthelargesquareisnotshaded.
5 partsof100equalpartsareshaded.
100ofthelargesquareisshaded.
%ofthelargesquareisshaded.
100ofthelargesquareisnotshaded.
%ofthelargesquareisnotshaded.
3ReteachGrade5 1 Percent
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6 partsof100equalpartsareshaded.
100ofthelargesquareisshaded.
%ofthelargesquareisshaded.
100ofthelargesquareisnotshaded.
%ofthelargesquareisnotshaded.
7 partsof100equalpartsareshaded.
100ofthelargesquareisshaded.
%ofthelargesquareisshaded.
100ofthelargesquareisnotshaded.
%ofthelargesquareisnotshaded.
4 ReteachGrade5Chapter10Percent
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Ineachfigure,writetheshadedpartsasapercentofthewholefigure.
30 %
Countthenumberofpartsthatareshaded.Writethenumberasapercent.
Example
8 9
% %
10 11
% %
5ReteachGrade5 1 Percent
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Fillineachblank.
41 %ofthewholefigureisshaded.
59 %ofthewholefigureisnotshaded.
Example
12
13
%ofthewholefigureisshaded.
%ofthewholefigureisnotshaded.
%ofthewholefigureisshaded.
%ofthewholefigureisnotshaded.
6 ReteachGrade5Chapter10Percent
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Answereachquestion.
Shade37%ofthewholefigure.
37%= 37 outof100partsCount 37 partsandshadethem.
Example
14 Shade19%ofthewholefigure.
15 Shade64%ofthewholefigure.
19%= outof100partsCount partsandshadethem.
7ReteachGrade5 1 Percent
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Expressasapercent.
19outof100= 19 %
Example
16 23outof100= %
17 9outof100= %
18 87outof100= %
19 12outof100= %
Expressasapercent.
16 outof100=16%
Example
20 outof100=44%
21 outof100=38%
22 outof100=99%
23 outof100=6%
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8 ReteachGrade5Chapter10Percent
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ChapterChapterChapter ReteachPercent
Activity2 Fractions,Decimals,andPercentExpressasafractionwithadenominatorof100.
1 8outof100 2 46outof100
Expressasadecimal.
3 17100= 4 69100=
Expressasafraction.
5 0.25= 100 6 0.61= 100
Expresseachfractioninsimplestform.
7 1620= 8 48100=
1ReteachGrade5
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2 Fractions,Decimals,andPercent
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202
0 M
arsh
all C
aven
dish
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e Lt
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202
0 M
arsh
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Expresseachpercentasafractioninsimplestform.
30%=3
10
Method1
30%=30
100
=3
10
Method2
30%=3
10
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
110
910
810
710
610
510
410
310
210
Writethepercentasafractionwith100asitsdenominator.Expressthefractioninsimplestform.
Example
2 ReteachGrade5Chapter10Percent
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9 14%=100
=
10 22%=100
11 46%=100
= =
12 55%=100
13 72%=100
= =
Method1
Method2
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
550
4550
4050
3550
3050
2550
2050
1550
1050
3ReteachGrade5 2 Fractions,Decimals,andPercent
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14 25%= 15 68%=
Expresseachpercentasadecimal.
65%= 0.65
Method1
65%=65
100
= 0.65
Method2
65%= 0.65
0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1
65%
0.65
�
Writethepercentasafractionwith100asitsdenominator.
Example
4 ReteachGrade5Chapter10Percent
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16 13%=100
17 28%=100
= =
18 34%= 19 7%=
20 41%= 21 66%=
5ReteachGrade5 2 Fractions,Decimals,andPercent
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Expresseachdecimalasapercent.
0.2= 20 %
Method1
0.2=2
10
=20
100
= 20 %
Method2
0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1�
0.2= 20 %
Method3
0.2=0.2×100%
= 20 %
Makethedenominatorto100.
Multiplyby100%
Example
6 ReteachGrade5Chapter10Percent
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22 0.26= %
Method1
0.26=
= %
Method2
0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1�
0.26= %
Method3
0.26= ×
= %
7ReteachGrade5 2 Fractions,Decimals,andPercent
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23 0.03= %
Method1
0.03=
= %
Method2
0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1�
0.03= %
Method3
0.03= ×
= %
24 0.52= 25 0.89=
8 ReteachGrade5Chapter10Percent
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26 0.05= 27 0.92=
Expresseachfractionasapercent.
45= 80 %
Method1
×20
×20
=45
80
100
= 80 %
Method2
0% 20% 40% 60% 80% 100%
0 115
25
35
45
45= 80 %
Method345=4
5×100%
= 80 %
Makethedenominatorto100.5× 20 =100
Example
9ReteachGrade5 2 Fractions,Decimals,andPercent
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28 320= %
Method1
×
=320
×
= %
Method2
0 1220
1820
1620
1420
1220
1020
820
620
420
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
320= %
Method3
320= 3
20×100%
= %
Makethedenominatorto100.
20× =100
10 ReteachGrade5Chapter10Percent
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29 14= 30 11
20=
31 35= 32 19
25=
Expresseachfractionasapercent.
160200
= 80 %
Method1
÷2
÷2
=160200
80
100
= 80 %
Method2160200
= 80 %
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
20200
180200
160200
140200
120200
100200
80200
60200
40200
Makethedenominatorto100.
200÷ 2 =100
Example
11ReteachGrade5 2 Fractions,Decimals,andPercent
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Method3160200
= 160200
×100%
=16000200
= 80 %
33 35500
= %
Method1
÷
=35500
÷
= %
Method2
35500
= %
Makethedenominatorto100.
500÷ =100
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
50500
450500
400500
350500
300500
250500
200500
150500
100500
12 ReteachGrade5Chapter10Percent
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Method3
35500
= ×100%
=
= %
34 318600
= % 35 256400
= %
36 111300
= % 37 336700
= %
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ChapterChapterChapter ReteachPercent
Activity3 PercentofaQuantitySolve.
1 56×54= 2 511×66=
3 49×81= 4 1425×75=
5 1315×90= 6 712×96=
1ReteachGrade5
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3 PercentofaQuantity
Name: Date:
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Solve.
Findthevalueof20%of150.
Method1
20%
150
?
100% 150
1% � 150 ÷ 100
= 1.5
20% � 20 × 1.5
= 30
Method2
20%of150= 20% × 150
=20
100× 150
= 30
100%isthetotalquantity.
Example
2 ReteachGrade5Chapter10Percent
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7 Findthevalueof28%of400.
Method1
?
100%
1% ÷
=
28% � ×
=
Method2
28%of400= ×
= ×
=
3ReteachGrade5 3 PercentofaQuantity
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8 Findthevalueof46%of700.
9 Findthevalueof37%of1,450.
4 ReteachGrade5Chapter10Percent
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Solve.
Findthevalueof24%of350centimeters.
Method1
24%
350centimeters
?
100% 350 centimeters
1% � 350 ÷ 100
= 3.5 centimeters
24% � 24 × 3.5
= 84 centimeters
Method2
24%of350centimeters= 24% × 350
=24
100× 350
= 84 centimeters
Example
5ReteachGrade5 3 PercentofaQuantity
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10 Findthevalueof19%of600kilograms.
Method1
?
100% kilograms
1% � ÷
= kilograms
19% � ×
= kilograms
Method2
19%of600kilograms= ×
= ×
= kilograms
6 ReteachGrade5Chapter10Percent
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11 Findthevalueof25%of896miles.
Method1
?
100% miles
1% � ÷
= miles
25% � ×
= miles
Method2
25%of896miles= ×
= ×
= miles
7ReteachGrade5 3 PercentofaQuantity
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12 Findthevalueof3%of1,900pounds.
13 Findthevalueof72%of2,590inches.
8 ReteachGrade5Chapter10Percent
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14 Findthevalueof47%of4,650fluidounces.
15 Findthevalueof54%of6,085milliliters.
9ReteachGrade5 3 PercentofaQuantity
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ChapterChapterChapter ReteachPercent
Activity4 Real-WorldProblems:PercentSolve.Drawabarmodeltohelpyou.
Arefrigeratorcost$1,250.Therewasa7%salestaxontherefrigerator.Howmuchwasthesalestax?
Method1$1,250
7%
? 100% $1,250
1% $1,250 ÷ 100
= $12.50
7 % $12.50 × 7
= $87.50
Thesalestaxwas $87.50 .
100%isthepriceoftherefrigerator.
Example
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4 Real-WorldProblems:Percent
Name: Date:
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1 Afurnituresetcost$5,600atHomeMart.Therewasan8%salestaxonthefurnitureset.Howmuchwasthesalestax?
Method1
Model:
? 100%
1% � ÷
=
% � ×
=
Thesalestaxwas .
Method2
7 %of $1,250 =7
100 × $1,250
= $87.50 .
Thesalestaxwas $87.50 .
2 ReteachGrade5Chapter10Percent
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Method2
%of = ×
=
Thesalestaxwas .
2 Mr.Nelsonboughtapairofpantsthatcost$59.Hepaidasalestaxof6%onthepriceofthepairofpants.HowmuchsalestaxdidMr.Nelsonpay?
3 Callieboughtasurfboardthatcost$269.Shepaidasalestaxof7%onthepriceofthesurfboard.Whatwasthetotalcostofthesurfboardincludingthesalestax?
3ReteachGrade5 4 Real-WorldProblems:Percent
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Solve.Drawabarmodeltohelpyou.
Mr.Edwardsbroughthisfamilytoarestaurantforlunch.Themealcost$280.Therewasa5%salestaxanda3%mealstaxonthepriceofthemeal.Howmuchwasthecombinedtax?
Combinedtax= 5 + 3
= 8%
Method1$280 8%
?
100% $280
1% � $280 ÷ 100
= $2.80
8 % � $2.80 × 8
= $22.40
Thecombinedtaxwas $22.40 .
Method2
8 %of $280 =8100 × $280
= $22.40
Thecombinedtaxwas $22.40 .
AmealstaxisappliedinDGGLWLRQ�WR�D�VWDWHŖV�VDOHV�taxonthepurchaseofpreparedfood.
Example
4 ReteachGrade5Chapter10Percent
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4 Amirahhadherdinneratacaféthatcost$43.Therewasa6%sales taxanda5%mealstaxonthepriceofherdinner.Howmuchwasthecombinedtax?
Combinedtax= +
=
Method1
? 100%
1% � ÷
=
% � ×
=
Thecombinedtaxwas .
Method2
%of = ×
=
Thecombinedtaxwas .
5ReteachGrade5 4 Real-WorldProblems:Percent
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5 Afamilyvaluemealforfourcost$310inarestaurant.Therewasa4%salestaxanda2%mealstaxonthepriceofthemeal.Whatwasthetotalcostofthefamilyvaluemealincludingthetaxes?
6 ReteachGrade5Chapter10Percent
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Solve.Drawabarmodeltohelpyou.
Theusualpriceofatelevisionwas$2,360.Duringasale,Mrs.Smithboughtitata25%discount.Howmuchwasthediscount?
Method1
$2,360regularprice
discountprice
25%($?)
100%
100% $2,360
1% � $2,360 ÷ 100
= $23.60
25 % � $23.60 × 25
= $590
Thediscountwas $590 .
Thediscountisthedifferencebetweentheregularpriceandthesellingprice.Itistheamountyousave.
Example
7ReteachGrade5 4 Real-WorldProblems:Percent
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6 Ashoeshopishavinga20%offstorewidesale.Theregularpriceofapairofbootsis$128.Howmuchisthediscount?
Method1
regularprice
discountprice
100%
1% ÷
=
% ×
=
Thediscountis .
Method2
Discount= 25 %ofregularprice
=25100 × $2,360
= $590
Thediscountwas $590 .
Example
8 ReteachGrade5Chapter10Percent
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Method2
Discount= %ofregularprice
= ×
=
Thediscountis .
7 Ms.Carterwenttoacircus.Theadmissionticketcost$76.Therewasa10%discount.Howmuchwasthediscount?
8 Theoriginalpriceofacaseofsodawas$14.Farrahhada5%discount code.HowmuchdidFarrahpayforthecaseofsoda?
9ReteachGrade5 4 Real-WorldProblems:Percent
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Solve.Drawabarmodeltohelpyou.
Mr.Kingdeposits$6,500inabankthatpaysaninterestof6%peryear.Howmuchmoneywillhehaveinhisbankaccountattheendof1year?
$6,500 6%
100%
?
Interest= 6 %of $6,500
=6100 × $6,500
= $390
Amountofmoneyintheaccountattheendof1year
=Moneydeposited+Interest
= $6,500 + $390
= $6,890
Mr.Kingwillhave $6,890 inhisbankaccountattheendof1year.
Example
Interestistheamountthatabankpaysyoufordepositingyourmoneywiththem.
10 ReteachGrade5Chapter10Percent
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9 Ms.Lopezinvested$7,000inaninvestmentfundwithabank.Thebankpaid5%interestattheendofeachyear.HowmuchmoneydidMs.Lopezhaveinherinvestmentaccountattheendof1year?
?
Interest= %of
= ×
=
Amountofmoneyintheinvestmentaccountattheendof1year
=Moneyinvested+Interest
= +
=
Ms.Lopezhad inherinvestmentaccountattheendof1year.
Interestistheamountthatabankpaysyouforinvestingyourmoneywiththem.
11ReteachGrade5 4 Real-WorldProblems:Percent
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10 Ricardodeposits$500intoasavingsaccountatalocalbankthatpaysaninterestof4.5%peryear.Howmuchmoneywillhehaveinhisbankaccountattheendof1year?
11 Mr.Hillinvested$5,500inaninvestmentfundwithalocalbank.Thebankpaid7%interestattheendofeachyear.HowmuchmoneydidMr.Hillhaveinhisinvestmentaccountattheendof1year?
12 ReteachGrade5Chapter10Percent
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Solve.Drawabarmodeltohelpyou.
Lunaborrowed$640tobuyacellphonefromCompanyWells.Shepaid7%interestinthefirstyear.HowmuchinterestdidLunapayinthefirstyear?
$640 7%
?
100% $640
1% $640 ÷ 100
= $6.40
7 % $6.40 × 7
= $44.80
Lunapaid $44.80 interestinthefirstyear.
Example
Interesthereistheamountofmoneyyoupaytothecompanyforborrowingmoneyfromthem.
13ReteachGrade5 4 Real-WorldProblems:Percent
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12 Mr.Taylorforgottopayhiselectricitybillof$270forthemonthofFebruary.Aninterestof4%permonthischargedonanyunpaidbill.HowmuchinterestwaschargedtoMr.Taylorafter1month?
?
100%
1% ÷
=
% ×
=
Mr.Taylorwaschargedwith interestafter1month.
13 Vanessagotastudentloanof$13,000fromabankthatcharged3%interestperyear.HowmuchinterestdidVanessapayforthefirstyear?
14 ReteachGrade5Chapter10Percent
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Solve.Drawabarmodeltohelpyou.
Thereare380piecesoffruit.45%ofthepiecesoffruitarestrawberriesandtherestareraspberries.Howmanyraspberriesarethere?
Percentofraspberries= 100% − 45%
= 55%
Method1?
45%
380piecesoffruit
100% 380
1% 380 ÷ 100
= 3.8
55 % 3.8 × 55
= 209
Thereare 209 raspberries.
Method2
55%oftotalfruits=55100 × 380
= 209
Thereare 209 raspberries.
Example
Thetotalnumberofpiecesoffruitis100%.
15ReteachGrade5 4 Real-WorldProblems:Percent
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14 Ametalrodweighs16.25ounces.84%oftherodissilverandtherestis iron.Howmanyouncesofironareintherod?
15 Acricketteamwon70%ofthetotalmatchesitplayedduringtheyear.Iftheteamlost18matchesinallandnomatchesweredrawn,howmanymatchesdidthecricketteamplayinallduringtheyear?
16 ReteachGrade5Chapter10Percent
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09(M)MIF2020G5B_RT_10.indd 16 5/4/19 5:39 AM
Totalunits=4+1+7=12
7units=63in2
1unit=63÷7=9in2
12units=9×12=108in2
Theareaofallthethreesquaresis108in2.
Chapter10 PercentActivity1 Percent
1 17
10017
2 33
10033
3 56
10056
4 35
10035
35%
10065
65%
5 44
10044
44%
10056
56%
6 40
10040
40%
10060
60%
7 20
10020
20%
10080
80%
8 8%
9 90%
10 19%
11 37%
12 42% 58%
13 36% 64%
14 Answers
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ReteachGrade5
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14 19 19
15
16 23%
17 9%
18 87%
19 12%
20 44
21 38
22 99
23 6
Activity2 Fractions,Decimals,andPercent
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23 6
Activity2 Fractions,Decimals,andPercent
1 8100
2 46100
3 0.17
4 0.69
5 10025
6 10061
7 5
4
8 25
12
9 Method1
14%=10014
=50
7
Method2
10 22%=10022
=50
11
11 46%=10046
=50
23
12 55%=10055
= 1120
13 72%=10072
= 1825
14 25%= 25100
=14
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
750
14%
550
1050
1550
2050
2550
3050
3550
4050
4550
15Answers
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ReteachGrade5
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15 68%= 68100
= 1725
16 13%=10013
=0.13
17 28%=10028
=0.28
18 34%= 34100
=0.34
19 7%= 7100
=0.07
20 41%= 41100
=0.41
21 66%= 66100
=0.66
22 0.26= 26 % Method1
0.26=100
26
= 26 %
Method2
0.26= 26 %
Method3 0.26= 0.26 × 100 %
= 26 %
26%
0.26
0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1✗
23 0.03= 3 % Method1
0.03=100
3
= 3 %
Method2
0.03= 3 %
Method3 0.03= 0.03 × 100 %
= 3 %
24 Method1 0.52= 52
100
=52%
Method2
0.52=52%
Method3 0.52=0.52×100%
=52%
25 Method1 0.89= 89
100
=89%
✗0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1
3%
0.03
✗0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1
52%
0.52
16 Answers
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Method2
0.89=89%
Method3 0.89=0.89×100%
=89%
26 Method1 0.05= 5
100
=5%
Method2
0.05=5%
Method3 0.05=0.05×100%
=5%
27 Method1 0.92= 92
100
=92%
Method2
0.92=92%
Method3 0.92=0.92×100%
=92%
0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1✗
89%
0.89
0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1✗
5%
0.05
0%
0
10%
0.1
20%
0.2
30%
0.3
40%
0.4
50%
0.5
60%
0.6
70%
0.7
80%
0.8
90%
0.9
100%
1
92%
0.92
✗
28 320=15%
20× 5 =100
Method1
Method2
320=15%
Method3 3
20= 3
20×100%
=15%
29 Method1 1
4= 25
100
=25%
Method2
14=25%
Method3 1
4=1
4×100%
=25%
30 Method1 11
20= 55
100
=55%
×
=320
×
15
5
5
100
0 1220
1820
1620
1420
1220
1020
820
620
420
320
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
15%
0% 25% 50% 75% 100%
0 114
24
34
17Answers
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Method2
1120=55%
Method3 11
20= 11
20×100%
=55%
31 Method1 3
5= 60
100
=60%
Method2
35=60%
Method3 3
5=3
5×100%
=60%
32 Method1 19
25= 76
100
=76%
Method2
1925=76%
0 1220
1820
1620
1420
1220
1020
820
620
420
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
1120
55%
0% 20% 40% 60% 80% 100%
0 115
25
35
45
0% 20% 40% 60% 80% 100%
0 1525
1025
1525
2025
1925
76%
Method3 19
25=19
25×100%
=76%
33 35500
=7%
500÷ 5 =100
Method1
Method2 35
500=7%
Method3
35500
=500
35×100%
= 7100
=7%
34 Method1 318
600= 53
100
=53%
÷
=35500
7
5
÷ 5
100
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
35500
7%
50500
100500
150500
200500
250500
300500
350500
400500
450500
18 Answers
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Method2 318
600=53%
Method3 318
600=318
600×100%
=53%
35 Method1 256
400= 64
100
=64%
Method2 256
400=64%
Method3 256
400=256
400×100%
=64%
36 Method1 111
300= 37
100
=37%
53%
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
318600
60600
120600
180600
240600
300600
360600
420600
480600
540600
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
40400
80400
120400
160400
200400
240400
280400
320400
360400
64%
256400
Method2 111
300=37%
Method3 111
300= 111
300×100%
=37%
37 Method1 336
700= 48
100
=48%
Method2 336
700=48%
Method3 336
700=336
700×100%
=48%
Activity3 PercentofaQuantity
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
30300
60300
90300
120300
150300
180300
210300
240300
270300
37%
111300
0 1
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
70700
140700
210700
280700
350700
420700
490700
560700
630700
48%
336700
19Answers
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336700
×100%
=48%
Activity3 PercentofaQuantity
1 45
2 30
3 36
4 42
5 78
6 56
19Answers
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ReteachGrade5
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7 Method1
100% 400 1% 400 ÷ 100 = 4 28% 28 × 4 = 112
Method2 28%of400= 28 %× 400
=100
28× 400
= 112
8 Method1
100% 700 1% 700÷100 =7 46% 46×7 =322
Method2 46%of700=46%×700
= 46100
×700
=322
9 Method1
100% 1,450 1% 1,450÷100 =14.5 37% 37×14.5 =536.5
?
400
28%
46%
?
700
37%
?
1,450
Method2 37%of1,450=37%×1,450
= 37100
×1,450
=536.5
10 Method1
100% 600 kilograms 1% 600 ÷ 100 = 6 kilograms 19% 19 × 6 = 114 kilograms Method2 19%of600kilograms= 19% × 600
=100
19× 600
= 114 kilograms
11 Method1
100% 896 miles 1% 896 ÷ 100 = 8.96 miles 25% 25 × 8.96 = 224 miles
Method2 25%of896miles= 25% × 896
=100
25× 896
= 224 miles
?
600kilograms
19%
?
896miles
25%
20 Answers
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12 Method1
100% 1,900pounds 1% 1,900÷100 =19pounds 3% 3×19 =57pounds
Method2 3%of1,900pounds=3%×1,900
= 3100
×1,900
=57pounds
13 Method1
100% 2,590inches 1% 2,590÷100 =25.9inches 72% 72×25.9 =1,864.8inches
Method2 72%of2,590inches=72%×2,590
= 72100
×2,590
=1,864.8inches
14 Method1
100% 4,650fluidounces 1% 4,650÷100 =46.5fluidounces 47% 47×46.5 =2,185.5fluidounces
?
3% 1,900pounds
72%
?
2,590inches
47%
?
4,650fluidounces
Method2 47%of4,650fluidounces=47%×4,650
= 47100
×4,650
=2,185.5fluidounces15 Method1
100% 6,085milliliters 1% 6,085÷100 =60.85milliliters 54% 54×60.85 =3,285.9milliliters
Method2 54%of6,085milliliters=54%×6,085
= 54100
×6,085
=3,285.9milliliters
Activity4 Real-WorldProblems:Percent
54%
?
6,085milliliters
21Answers
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54100
×6,085
=3,285.9milliliters
Activity4 Real-WorldProblems:Percent
1 Method1
100% $5,600 1% $5,600 ÷ 100 = $56 8 % $56 × 8 = $448 Thesalestaxwas $448 .
Method2 8 %of $5,600 = 8
100 × 5,600
= $448
Thesalestaxwas $448 .
$5,600 8%
?
21Answers
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2 Method1
100% $59 1% $59÷100 =$0.59 6% $0.59×6 =$3.54 Mr.Nelsonpaid$3.54.
Method2 6%of$59= 6
100×59
=$3.54 Mr.Nelsonpaid$3.54.
3 Method1
100% $269 1% $269÷100 =$2.69 7% $2.69×7 =$18.83 Totalcost=$269+$18.83 =$287.83 Thetotalcostofthesurfboardincludingsales
taxwas$287.83.
Method2 7%of$269= 7
100×269
=$18.83 Totalcost=$269+$18.83
=$287.83 Thetotalcostofthesurfboardincludingsales
taxwas$287.83.
?
6%$59
?
$269 7%
4 Combinedtax= 6 + 5 = 11%
Method1
100% $43 1% $43 ÷ 100 = $0.43 11 % $0.43 × 11 = $4.73 Thecombinedtaxwas $4.73 . Method2 11 %of $43 = 11
100 × 43
= $4.73
Thecombinedtaxwas $4.73 .
5 Combinedtax=4+2=6%
Method1
100% $310 1% $310÷100 =$3.10 6% $3.10×6 =$18.60 Totalcostoffamilyvaluemealincludingtaxes
=$310+$18.60=$328.60Thetotalcostofthefamilyvaluemealincludingtaxeswas$328.60.
Method2 6%of$310= 6
100×310
=$18.60 Totalcostoffamilyvaluemealincludingtaxes
=$310+$18.60=$328.60Thetotalcostofthefamilyvaluemealincludingtaxeswas$328.60.
$43 11%
?
?
$310 6%
22 Answers
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ReteachGrade5
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6 Method1
100% $128 1% $128 ÷ 100 = $1.28 20 % $1.28 × 20 = $25.60 Thediscountis $25.60 ..
Method2 Discount= 20 %ofregularprice
= 20100
× $128
= $25.60 Thediscountis $25.60 ..
7 Method1
100% $76 1% $76÷100 =$0.76 10% $0.76×10 =$7.60 Thediscountwas$7.60.
Method2 Discount=10%ofregularprice
= 10100
×$76=$7.60
Thediscountwas$7.60.
100%
20%($?)
regularprice
discountprice
$128
$76regularprice
discountprice
10%($?)
100%
8 Method1
100% $14 1% $14÷100 =$0.14 5% $0.14×5 =$0.70 $14–$0.70=$13.30 Farrahpaid$13.30.
Method2 Discount=5%ofregularprice
= 5100
×$14
=$0.70 $14–$0.70=$13.30 Farrahpaid$13.30.
9
Interest= 5 %of $7,000
= 5100
× $7,000
= $350 Moneyinvested+Interest= $7,000 + $350
= $7,350
Ms.Lopezhad $7,350 inherinvestmentaccountattheendof1year.
$14regularprice
discountprice
100%
5%?
$7,000 5%
?
23Answers
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© 2
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ReteachGrade5
10(M)MIF2020G5B_RT_06-10_Ans.indd 23 06/05/19 6:58 PM
10
Interest=4.5%of$500 =4.5
100×$500
=$22.50 Moneydeposited+Interest=$500+$22.50
=$522.50 Ricardowillhave$522.50inhisbankaccount
attheendof1year.
11
Interest=7%of$5,500= 7100
×$5,500
=$385 Moneyinvested+Interest=$5,500+$385
=$5,885 Mr.Hillhad$5,885inhisinvestmentaccountat
theendof1year.
12
100% $270 1% $270 ÷ 100 = $2.70 4 % $2.70 × 4 =$10.80 Mr.Taylorwaschargedwith$10.80 interest
after1month.
?
$500 4.5%
?
$5,500 7%
$270 4%
?
13
100% $13,000 1% $13,000÷100 =$130 3% $130×3 =$390 Vanessapaid$390interestforthefirstyear.
14 Percentofiron=100%−84%=16%
Method1
100% 16.25oz 1% 16.25÷100 =0.1625oz 16% 0.1625×16 =2.6oz 2.6ouncesofironareintherod.
Method2 16%ofweightofmetalrod= 16
100×16.25
=2.6oz 2.6ouncesofironareintherod.
15 Percentoflostmatches=100%−70%=30%
30% 18 1% 18÷30 =0.6 100% 0.6×100 =60 Thecricketteamplayed60matchesinall
duringtheyear.
?
$13,000 3%
?
84%
16.25ounces
?
70%
18matches
24 Answers
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ReteachGrade5
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