ChapterChapter ExtraPracticeandHomeworkFourOperationsofDecimals

Activity9 Real-WorldProblems:DecimalsSolve.Showyourwork.Usethebarmodeltohelpyou.

1 Ryanspent$42.65atasupermarket.Hespent$24.50atabookshop. HowmuchdidRyanspendaltogether?

$42.65 $24.50

?

$ $ =$

Ryanspent$ altogether.

Youcanusethefour-stepproblem-solvingmodeltohelpyou.

177ExtraPracticeandHomeworkGrade5A 9 Real-WorldProblems:Decimals

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Solve.Showyourwork.Drawabarmodeltohelpyou.

2 Caleb’s mass was 34.2 kilograms. He was 15.85 kilograms lighter than his sister. hat was his sister’s mass

3 Brady’s height was 1.34 meters. He was 0.45 meter taller than his sister. hat was Brady’s sister’s height

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4 Rachelwantedtobuyacraftsetthatcost$58.45,butshewasshortof$12.90.HowmuchmoneydidRachelhave?

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5 Thethicknessofapieceofwoodwas2.45centimeters.Lucasstacked9 piecesofwood,oneontopoftheother.Findthetotalheightofthestackof9piecesofwood.

180 ExtraPracticeandHomeworkGrade5AChapter5FourOperationsofDecimals

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6 Onefishtankcontained24.58litersofwater.Howmuchwaterdid4ofthesefishtankscontain?

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7 Miguelbought15.4metersofclothtosew7identicalcushioncovers. HowmuchclothdidMigueluseforeachcushioncover?

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8 Ms.Ramirezbought4similarblouses.Shespentatotalof$67.Howmuchdideachblousecost?

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Solve.Showyourwork.Usethebarmodeltohelpyou.

9 Alibought3similarpacketsofnutsfor$4.65.a Howmuchdideachpacketofnutscost?

$4.65

?

$ =$

Eachpacketofnutscost$ .

b Howmuchdid8ofthesepacketsofnutscost?

$

?

$ =$

8ofthesepacketsofnutscost$ .

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Solve.Showyourwork.Drawabarmodeltohelpyou.

10 Davidmadesomefruitpunchbymixingmangojuiceandpineapplejuice.Heused2.05litersofmangojuiceandtwiceasmuchpineapplejuiceasmangojuicetomakethefruitpunch.a HowmuchpineapplejuicedidDaviduse?

b HowmuchfruitpunchdidDavidmake?

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11 TinAcontains4.08litersofbluepaint.TinBcontains5.61litersofwhitepaint.Nathanmixedthepaintfrombothtins.Hethenused1.25litersofthepaint.HowmuchpaintdidNathanhaveleft?

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12 4similarstaplerscost$25.Astaplercost5timesasmuchasaboxofpaperclips.Findthecostofaboxofpaperclips.

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13 Alanused4.08metersofclothtosewadress.Heused1.2meterslessclothtosewaskirt.HowmuchclothdidAlanneedtosew5oftheseskirts?

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14 Briannasaved$9.20aweekfor4weeks.Sheneededtosaveanother$15.60tobuyacomputergame.Whatwasthepriceofthecomputergame?

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15 Thetotalmassof2similarclaypotsand2similarmetalpotsis13.2 kilograms.Themassofaclaypotis3timesthemassofametalpot.Whatisthemassofaclaypot?

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16 Averyspentatotalof$11.60on5similarpensandaruler. Arulercost$1.30lessthanapen.Howmuchdideachpencost?

01

23

45

67

89

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1213

1415

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1819

201

23

45

67

8

0

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17 The total distance from Connor’s house to his school was 9.18 kilometers. Hetraveledbybusforpartofthejourneyandwalkedtherestoftheway.

Thedistancehewalkedwas7.95kilometersshorterthanthedistancehetraveledbybus.HowfardidConnorwalk?

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