Answers - 4th grade w/ ms. giss & mrs....
Transcript of Answers - 4th grade w/ ms. giss & mrs....
Answers
Chapter 1
Lesson 1.1 (Part 1)
1. 38,600 2. 80,240 3. 46,059
4. 20,012 5. 73,001 6. 13,513
7. seventy-threethousand,twohundredforty-six
8. eleventhousand,twohundredeighty
9. sixtythousand,fifty-four
10. nineteenthousand,sevenhundredseven
11. fifty-fivethousand,fifty-five
12. forty-eightthousand,threehundred
13. ninetythousand,ninehundredninety
14.69,500;70,000 15. 62,000;65,000
16. 57,000;67,000
17. fifty;8 18. thousand;2
19. three;6 20. forty;0
AcceptallpossibleanswersforQ21andQ22.
21. 86,037 22. 30,786
23. 30,678 24. 87,630
25. 30,678 26. 87,603
27. 40,529 28. 54,209
29. 20,459 30. 20,594
31. 94,205 32. 95,420
Lesson 1.1 (Part 2)
1. thousands 2. ones 3. tenthousands
4. tens 5. hundreds 6. 400
7. 5 8. 90,000
9. 80 10. 1,000
11. 4 12. 20
13. 7 14. 8
15. thousands 16. tens
17. 90,000 18. ones
19. 6,000 20. 7;700
21. 3;4 22.7;8;6
23. tenthousands;thousands;hundreds;8
24. 9tenthousands;8hundreds;tens
25.20,000;300;20 26. 7,000;80
27. 2,000;600;30 28. 50,000;6,000;60
29. 90,000;9,000;800;50
30. 89,346 31. 3,421
Lesson 1.2
1. 2. 3. 4.
5. 26,653 6. 91,111
7. 91,111 8. 60,002
9. 61,253;61,352;61,532
10. 78,631;78,061;76,138
11. 76,250 12.78,900
13. 56,500 14. 45,990
15. 32,120 16. 43,500
17. 22,800 18. 62,000
19. 31,080;31,280Rule:Add200.
20. 58,700;60,200Rule:Add1,500.
21. 65,120;65,720Rule:Add600andthenadd400.
22. 22,000;26,000Rule:Multiplythedifferencebetweenthelasttwonumbersby2.Thenaddtheproducttothelastnumber.
Lesson 1.3
1. 58,030 2. 77,095
3. 86,043 4. 87,000
5. 57,839 6. 50,705
7. 56,609 8. 27,432
9. a.35,775 6,380 29,395Thereare29,395adultsattendingtheconcert.
b.29,395 35,775 65,170Thereare65,170peoplealtogether.
10. a.2,000 850 260 890Thereare890SizeST-shirts.
b.260 890 1,150Thereare1,150SizeMandSizeST-shirtsaltogether.
Put On Your Thinking Cap!
Strategy:Logicalreasoning
1. 86,420 2. 400 3. 80,000
Extra Practice 4A 155
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9. 36;18;12;9;6;1;2;3;4;6;9;12;18;36
10. 60;30;20;15;12;10;1;2;3;4;5;6;10;12;15;20;30;60
11. 1;2;3;4;6;12 12. 12
13. 84;42;28;21;14;12;1;2;3;4;6;7;12;14;21;28;42;84
14. 72;36;24;18;12;9;1;2;3;4;6;8;9;12;18;24;36;72
15. 1;2;3;4;6;12 16. 12
17. 18;24;27;30;45 18. 18;24;30
19. 18;24;30 20. 19,37,47
21. 9,15,26,33,45
22. 11,13,17,19,23,29
23. 21,22,24,25,26,27,28
Lesson 2.3
1. 40 2. 72 3. 72
4. 77 5. 70
6. 4;8;12;16;20;24;28;32;36;40;44;48;52;56;60;64;68;72
7. 9;18;27;36;45;54;63;72
8. 36;72 9. 36
10. 6;12;18;24;30;36;42;48
11. 8;16;24;32;40;48;56;64
12. 24;48 13. 24 14. 56
15. 36 16. 60 17. 60
18. 20;48;60;72
19. 48;72 20. 54;72 21. 72
Lesson 2.4
1. 1,896 2. 9,872 3. 56
4. 350 5. 4,200
6. 14,000
7. 2, 6 5 8 3 7
5 6
3 5 0
4 , 2 0 0
1 4 , 0 0 0
1 8 , 6 0 6
Thinkingskill:Identifyingpatternsandrelationships
Strategy:Lookforpatterns
4. 45;56 5. 144;121
6. 72;98;128 7. 6,650;9,850
8. 5,900;6,650
Strategy:Logicalreasoning
9. 1,000 10. 9,999
11. 1,001 12. 9,999
13. 1,000 14. 9,998
15. 1,003 16. 9,995
17. 1,023 18. 9,870
Chapter 2
Lesson 2.1
1. 1,034;1,000or900
2. 10,985;11,000or10,000
3. 269;200or300 4. 17,975;18,000
5. 846;900or600 6. 595;500
7. 752;800or400 8. 19;20
9. 49;50 10.29;30
11.
ItemActual
Cost
Rounded to the Nearest
Hundred
microwave $450 $500
toaster $80 $100
oven $70 $100
coffee machine $150 $200
Themicrowaveisabout$500whenroundedtothenearesthundreddollars.
Thetoasterisabout$100whenroundedtothenearesthundreddollars.
Theovenisabout$100whenroundedtothenearesthundreddollars.
Thecoffeemachineisabout$200whenroundedtothenearesthundreddollars.
$500$100$100$200$900;Yes
Lesson 2.2
1. Yes 2. No 3. Yes 4. No
5. Yes 6. Yes 7. No 8. Yes
156 Answers
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6. 12January 7. 17January
8. Thinkingskill:SequencingStrategy:Makeasystematiclist
Adventure Books ($4)
Soft Toys ($6)
Games ($8)
✓ ✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
Thereare5differentwaysaltogether.
Chapter 3
Lesson 3.1
1. 9;60;900;969
2. 48;320;5,600;5,968
3. 54;720;4,500;5,274
4. 738 5. 1,500
6. 2,140 7. 3,222
8. 2,709 9. 4,473
10. 3,736 11. 2,352
12. 5,067 13. 4,383
Lesson 3.2
1. 480 2. 890
3. 4;92;920 4. 3;105;1,050
5. 5;2,095;20,950 6. 2;1,254;12,540
7. 6;3,216;32,160 8. 6;3,888;38,880
9. 609;6,090 10. 672;6,720
11. 2,848;28,480 12. 2,403;24,030
13. 90;40;903403,600
14. 400; 50;40035020,00015.
37
3 45
1 8 5
1 , 4 8 0
1 , 6 6 5
8. 3,960 9. 3,592
10. 8,343 11. 4,965
12. 10,767 13. 16,068
14. 21,693 15. 34,741
16. 43,976 17. 33,852
18. 32;160;192;192
19. 30;150;180;180
20. 72;360;432;432
21. 72;360;432;432
Put On Your Thinking Cap!
1. Thinkingskill:DeductionStrategy:Makeasystematiclist,Guessandcheck
Thefactorsof24are1,2,3,4,6,8,12,and24. Thenumberis12.
2. Thinkingskill:DeductionStrategy:Guessandcheck968
3. Thinkingskill:DeductionStrategy:Makeasystematiclist
Now (Multiples of 4) 4 8 12 16 20 24
Next Year 5 9 13 17 21 25
Janeis24yearsoldnow.Morethanoneanswerispossible.
4. Thinkingskill:AnalyzingStrategy:Guessandcheck
Number of Bicycles
Number of Tricycles
Total Number of Wheels
8 8 16 24 40
9 7 18 21 39
10 6 20 18 38
10studentsareonbicycles.
5. Thinkingskill:DeductionStrategy:Makeasystematiclist
Multiples of 7 7 14 21 28 35 42 49
1 5 12 19 26 33 40 47 54
Multiples of 9 9 18 27 36 45
1 6 15 24 33 42 51
Michellehas33baseballcards.
Thinkingskill:Logicalreasoning Strategy:Guessandcheck
Extra Practice 4A 157
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2. 1
69 8 4
6 0 0
1
69 8 4
6 0 0
3 8 4
1 6
69 8 4
6 0 0
3 8 4
3 6 0
2 4
1 6 4
69 8 4
6 0 0
3 8 4
3 6 0
2 4
2 4
0
3. 364 4. 245 5. 237 6. 186
7. 109 8. 139 9. 123 10. 106
Lesson 3.4
1. 64;8;800 2. 63;7;700
3. 9;3;3000 4. 80;20
5. 400;80 6. 7,500;1,500
7. 6,600;1,100 8. 1,263
9. 1,013 10. 284 11. 562
12. 497 13. 968
14. 249R51,748isabout1,400.1,40047200Theanswer249R5isreasonable.
15. 967R33,871isabout3,600.3,60044900Theanswer967R3isreasonable.
16. 376R63,014isabout3,200.3,20048400Theanswer376R6isreasonable.
17. 279R72,518isabout2,700.2,70049300Theanswer279R7isreasonable.
16.
56
3 34
2 2 4
1 , 6 8 0
1 , 9 0 4
17.
63
3 29
5 5 6
1 , 2 6 0
1 , 8 2 7
18.
74
3 32
1 4 8
2 , 2 2 0
2 , 3 6 8
19. 7,448 20. 5,238 21. 10,556
22. 24,288 23. 11,760 24. 31,608
25. 63,124 26. 80,464
Lesson 3.3
1. 1
57 4 5
5 0 0
1
57 4 5
5 0 0
2 4 5
1 4
57 4 5
5 0 0
2 4 5
2 0 0
4 5
1 4 9
57 4 5
5 0 0
2 4 5
2 0 0
4 5
4 5
0
158 Answers
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10. 2,400522,3482,34849260R8a.Thereare260orangesineachbox.b.8orangesareunpacked.
11. 475341,9001,9004752,3752,375peopleareatthetheateraltogether.
12. 1533755555520535535fishareputintotheaquarium.
13. $3,650$1,610$2,040$2,04043$680Mr.Josephputs$680asideforeachofhisotherexpenses.
14. 1,5439322,4752,47549275Thereis275millilitersoforangejuiceineachglass.
15. Carlene—$ySharon—$3yJason—$(3y50)Altogether—$(7y50)Theysave$(7y50)altogether.
16. (200w)chairsarearranged.
No.ofrows—1200 w12
2
Thereare1200 w12
2rowsinthehall.
Put On Your Thinking Cap!
Thinkingskill:ComparingStrategy:Useamodel
1. 275338252758251,1001,100156944beadsThereare944beadsleft.
2. 4209033042033075075032821,000Thetwofactoriesproduce21,000footballsin28days.
3. Sam’s savings$392
James’s savings
$39244$98$9833$294$294$38$256Samhas$256now.
18. 605R85,453isabout5,400.5,40049600Theanswer605R8isreasonable.
19. 902R27,218isabout7,200.7,20048900Theanswer902R2isreasonable.
20. 928R36,499isabout6,300.6,30047900Theanswer928R3isreasonable.
21. 556R12,781isabout3,000.3,00045600Theanswer556R1isreasonable.
Lesson 3.5
1. a.18324432Sharonbuys432cupcakes.
b.432485454boxesareneeded.
2. 353421,4701,4701201,350Thereare1,350chairsintheroomnow.
3. $699338$26,562Hecollects$26,562.
4. 369341,4761,476blueberrymuffinsaresoldeveryday.
5. 1,8993713,293Itproduces13,293toycarsin7days.
6. 3,44046573R2a.Eachgrouphas573beads.b.2beadsareleftover.
7. 2,25546375R5a.Eachpostofficereceives375stamps.
b.5stampsareleftover.8. a.$56339$2,184
Astorehastopay$2,184.
b.$72339$2,808$2,808$2,184$624Thestoremakesaprofitof$624onthein-lineskates.
9. $68325$1,700$1,700$68$1,768Hannahandhermothergave$1,768altogethertocharity.
Extra Practice 4A 159
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a.Abicycleandatricyclehaveatotalof235wheels35457tricycles729bicyclesTheclubbuys9bicycles.
b.$4939$441Theclubpays$441forthebicycles.
Chapter 4
Lesson 4.1
1. Top Female Junior Sports Players
NameBasketball
PointsBaseball
Runs
Maria 88 59
Jade 110 64
Judith 121 60
Stacy 88 57
2. Jade;64 3. Maria;Stacy
4. 7
5. Living Things
Snails
Worms
Ladybugs
Butterflies
6. Number of Living Things
Snails 8
Worms 3
Ladybugs 6
Butterflies 4
7. 3 8. 10
9. worms;ladybugs
10. snails;butterfliesorladybugs;worms
11. Bread Loaves Sold
Whole grain bread 40
Raisin bread 55
Rye bread 30
Brown bread 40
White bread 65
4. $8936$534$534$980$1,800$3,314Mr.Robertsinherited$3,314.
5. $750
1 table $1,233
6 chairs
$1,233$750$483$48347$69$6936$414Mrs.Rodinpays$414forthe6chairs.
6. Computer
$1,502 $2,543$123Printer
Scanner
$1,502$123$1,625Thecomputercosts$1,625morethanthescanner.$2,543$1,625$123$795$79543$265$265$1,625$1,890Ms.Raopays$1,890forthecomputer.
7. Thinkingskill:LogicalreasoningStrategy:Guessandchecka.Greatestpossibleproduct:
8 7 2
3 9 4
8 1, 9 6 8
b.Leastpossibleproduct:
4 8 9
3 2 7
1 3, 2 0 3
8. Strategy:Makeasystematiclist
Multiples of 7 21 28 35 42 49 56 63
1 3 24 31 38 45 52 59 66
45isamultipleof5.Mr.Garciais42yearsoldnow.
42648In6years,Mr.Garciawillbe48yearsold.
9. Thinkingskill:AnalyzingpartsandwholeStrategy:Restatetheproblem
2bicycleshave4wheels.39435wheelsforthesamenumberofbicyclesandtricycles.
160 Answers
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Test Prep for Chapters 1 to 4
1. D 2. B 3. B 4. C
5. C 6. C 7. D 8. C
9. C 10. A
11. sixty-seventhousand,ninety-eight
12. 15 13. 1,500 14. 27,000
15. 26,388;27,888 16. $139
17. 54ft 18. $240 19. 42 20. $69
21. a.460meters b.Between2and3minutes
22. 1adultand2children;$5$4$91,08049120120adultsareattheconcert.
23. a.21113studentsSince11moregrapesareneededtogivethestudentsexactly7grapeseach,adding2and11willgivetheexactnumberofstudents.Ms.Ervinehas13students.
b.13367878280Thereare80grapesinthebasket.
Chapter 5
Lesson 5.1
1. 121081444
2. 444411 3. 11
4. 26in.28in.30in.32in.34in.150in.
5. 1504530in. 6. 30
7. 172 8. 700
9. 810 10. 79
11. Totalage1512161760Averageage604415yearsAlisha’sageisthesameastheaverageage.
12. JoseandMatthew 13. Daniel
14. 15033450cm14532290cm450290740cm74045148cmThemeanheightofthe5studentsis148centimeters.
12. 65 13. Wholegrain;brown
14. White;wholegrain;brown
15. Mysterybooks 16. Travelbooks
17. 8030205060240
18. 6080140 19. 203050
20. 802060
Lesson 4.2
1. B;5 2. E;5
3. A;4 4. D;1
5. Checkthatthecorrectcellisshaded.
Grade Soccer BadmintonBaseball
Basketball
2 6 10 12 12
3 6 9 8 174 9 7 14 105 7 16 6 11
Total 28 42 40 50
6. Basketball 7. Soccer
8. 17116 9. 42students
10. 50428 11. Thesecondgrade
12. 402812
Lesson 4.3
1. June 2. March 3. April;May
4. Taylor’ssavingsbetweenJanuaryandJuneincreased.
5. 9a.m. 6. 12p.m.
7. Between9a.m.and11a.m.; 390240150falafels
8. 50 9. 65
10. 7a.m.and8a.m. 11. 3hours
12. 55patients 13. 70patients
14. Between3:30p.m.and4p.m.;25patients
15. Between6p.m.and7p.m.;25patients
Put On Your Thinking Cap!
1. Bargraph.Abargraphisusedtocomparedatausinglargenumbers.
2. Linegraph.Alinegraphisusedtoshowhowdatachangesovertime.
3. Acceptanycorrectanswers.
Extra Practice 4A 161
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19. 103110153345203240253125303260
Totaltime1045402560
180
Mean180_9 20
20. Goals Scored
Number of Goals 0 1 2 4 5 6
Number of Players 5 9 6 3 5 2
21. 30 22. 2 23. 1
24. 0350139923612433125352563212
091212251270
25. 9 26. 24
27. 24 28. 25205
29. 203240233246243496253125
40469625207
30. 2074923
31.
14 15 16 17 18 19 20 21 22
Foot Length (cm)
✗✗✗
✗✗✗✗
✗✗✗
✗✗
32. 12 33. 18
34. 20 35. 8
36.
6 7 8
✗✗✗
✗✗✗
✗✗
Number of Students on Each Bus
37. 7 38. 6and8
39. 2
40. Totalnumberofstudents181424 56
Mean56487
15. 1,896323,7923,7922,7366,5286,528432,176Theaveragenumberofvisitorsis2,176.
16. 13633408
Red
30
45
15
408Blue
Green
408451534834843116Thereare116greenbeanbagsinthestore.
17. 2644 3 88 88 1 89(Science) 89 5 94(Math) 89 94 183 264 183 81(English) Joleen’sscoreinEnglishis81.
Lesson 5.21. 3,4,4,5,7,9,10
2. 5 3. 4
4. 1037
5. 3 4 4 5 7 9 107
427
6
6. 12ft,15ft,16ft,16ft,18ft,19ft
7. 16ft 8. 16ft
9. 19127ft
10. 1215161618196
966
16ft
11. 30yd,34yd,35yd,38yd,38yd
12. 35yd 13. 38yd
14. 38308yd
15. Mean30343538385
1755
35yd
16. 30102017. 15
18. 20
162 Answers
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Lesson 5.5
1. a.2 b.6 c. 2_61_3
2. 1_6 3. 3_61_2
4. 4_62_3 5. 6_61
6. 1_10;lesslikely 7. 2_101_5;lesslikely
8. 3_10;lesslikely 9. 9_10;morelikely
10. 5_12 11. 6_121_2
12. 9_123_4 13. 6_121_2
14. 9_123_4 15. 3_121_4
16.
purple
greengreen
green green
blue
redpurple
17. 2_81_4
18. 4_81_2 19. 2_81_4
20. 0_8 0
Lesson 5.6
1. 43166420828642836TonyandMiguelscored36pointsaltogether.
2. 19688108
108_2 54
Themeanweightoftheother2dolphinsis54pounds.
3. ADC5233156AD6132122DC443288 C15612234snacks(Calvin) D883454snacks(Dakota) A1568868snacks(Adrian)
4. 1003761003706006004(8070)60(boys)1006040(girls)40girlstookthequiz.
Lesson 5.3
1. 35 2. 30 3. 31
4. 59 5. 45
6. 34422
762
38
7. 592435 8. 59
9. Totalheight2430333442454559312
Mean312_8 39
10. $275 11. $275
12. $309$205 $104
13. $205
14. Total $205$264$268$275$275$276$284$292$309$2,448
Mean$2,448
_9 $272
15. Number of Dogs Walked
Stem Leaves
1 0
2 556788
3 23
1|010
16. 25;28 17. 27
18. 33 1023
19. Total 102525262728283233234
Average 234_9 26
20. 7
Lesson 5.4
1. lesslikely 2. certain
3. morelikely 4. impossible
5. certain 6. Answersvary.
7. impossible 8. certain
9. equallylikely 10. certain
11. 2 12. 6
13. 8 14. lesslikely
15. impossible 16. equallylikely
17. impossible
Extra Practice 4A 163
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b.Numberofredandgreencrayons
336
Theprobabilityofdrawingaredorgreen
crayon6_121_2
13. NumberofbusesNumberofvehiclesleft
4_19
14.Math Science
Totalmathandsciencescore7432148
Math English
TotalmathandEnglishscore833216616614818Shescored18morepointsinEnglishthaninsci-ence.
Put On Your Thinking Cap!
1. 14735735217324347354341,1691,16947167Hesellsanaverageof167onnewspapersoneachdayoftheweek.
2. 7833234823432832823494Shewillneedtoscore94pointstohaveanaveragescoreof82points.
3. Thinkingskill:ComparingStrategy:Useamodel
Box A
Box B
Box C
3 units
1 unit
11units 88332641unit 242436144Thereare144paperclipsinBoxA.
4. Mr. Clarkson $73
$38
Ms. Rose
5units $18032$38$73$3251unit $65$65$73$138 $6534$38$222Mr.Clarksonhad$138andMs.Rosehad$222atfirst.
5. Number of Letters
NameNumber
of LettersJessica 7Brenda 6Carl 4Fiona 5Jeremy 6Barry 5Nicole 6Zoe 3Ann 3
a.
7
✗✗
✗✗✗
✗✗ ✗✗
6543
Number of Letters
b.6 c. 734
d.Mean
334556667
9
45_9 5
e.Thiswillchangetherangeandmeansincethereare9lettersinAnnemarie.Onlythemodewillremainconstant.
6. 87
7. 8187——2 168_2 84
8. 984652
9. 46546381878792988
608_8 76
10. 763968468460876Thenewplayerscores76.
11. Totalnumberofstudents20
Theprobabilityofagirlleaving3_512_20Thereare12girls.
12. a.Totalnumberofcrayons324312
Theprobabilityofdrawingayellowcrayon
4_121_3
164 Answers
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5. 683478194Joyce,Mark,andSarahhaveatotalof194keychains.
Joyce Mark
Sarah 28194
Sarah 19428_2 83
Joyce 8328_3 37
Mark 373274Markhas74keychains.
6. Withadifferenceof(93)12points,theaveragescoredecreasedby(8178)3points.12434Therewere4studentsinthegroup.
7. 14533435
Jason
Peter
Edward
7 cm
10 cm
435 cm
435171040840843136cm(Edward’sheight)13610146cm(Peter’sheight)1467153cm(Jason’sheight)
Chapter 6
Lesson 6.1
1. 1_96_97_9;6_9;6_9
2. 3_61_64_6 2_3;3_6;3_6
3. 4_101_105_101_2
4. 8_122_1210_125_6
5. 3_121_124_121_3
6. 7_12 7. 1_2 8. 2_3
9. 7_8 10. 7_9
Lesson 6.2
1. 5_63_6 2_6 1_3;3_6;3_6
2. 7_124_123_121_4;4_12;4_12
3. 9_125_124_121_3
4. 8_103_105_101_2
5. 212;1_6 6. 2
16;1_8
7. 1_2 8. 1_12 9. 1_10 10. 1_8
Lesson 6.3
1. 15_6 2. 33_8
3. 24_7 4. 57_9
5. 2;3;23_4 6. 4;5;45_6
7. 3;2;32_3 8. 13_5L
9. 21_4lb 10. 23_5
11. 45_8 12. 34_9
13. 57_12 14. 21_6
15. 43_10 16. 23_4
17. 12_5 18. 41_3
19. 33_4 20. 2_5;11_5;14_5;23_5
21. 1_2;7_8;13_4;21_8;23_4 22. 41_2;61_4;71_2
23. 51_2;62_3;71_6;75_6
Lesson 6.4
1. a.7 b.3 c.10 d.10_7
2. a.16 b.3 c.19 d.19_8
3. a.9 b.2 c.11 d.11_3
4. 8_5 5. 14_3
6. 13_2 7. 23_5;13_5
8. 15_6;11_6 9. 37_8;31_8
10. 53_4;23_4 11. 24_9,22_9
12. 21_5,11_5 13. 23_10,23_10
Extra Practice 4A 165
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14. 35_8;29_8 15. 7_4;9_4;11_4 ;<
16. 5_3;7_3;8_3;> 17. 8_7;12_7 ;17_7 ;>
18. 11_3;13_3;29_6;< 19. 9_4;11_4;15_4;<
20. 21_5;26_5;29_5;> 21. 18_5;21_5;24_5;>
22. 17_15;9_5;7_3;<
Lesson 6.5
1. 1;1 2. 2;2
3. 12;1;1;1 4. 20;3;3;3
5. 20;7;2;7;27_10 6. 21;5;3;5;35_7
7. 4;22_3 8. 4;21_2
9. 71_2 10. 14_5 11. 21_3 12. 11_4
13. 31_7 14. 6 15. 71_2 16. 82_5
17. 22_13 18. 31_5 19. 9;11 20. 4;5
21. 10;13 22. 12;17
23. 14;4;18 24. 18;2;20
25. 13_3 26. 23_10 27. 9_7 28. 14_9
29. 9_4 30. 29_12 31. 13_10 32. 13_11
33. 29_5 34. 35_9 35. 31_5 36. 51_7
Lesson 6.6
1. 12_9 2. 12_3 3. 13_8 4. 5_6
5. 11_2 6. 11_12 7. 15_12 8. 11_2
9. 17_12 10. 15_8 11. 25_12 12. 31_9
13. 11_5 14. 41_3 15. 21_2 16. 31_4
17. 53_10 18. 25_14 19.15_12 20. 41_9
Lesson 6.7
1. 2_3 2. 3_5 3. 1_3 4. 1_3
5. 30,6,24,24 6. 40 7. 25
8. 30 9. 16 10. 10 11. 12
12. 50 13. 27 14. 35 15. 24
Lesson 6.8
1. 904020 30
30_901_3
Arthurisleftwith1_3ofhismoney.
2. 13_41_4
1_43 20 5
Thebakerisleftwith5poundsofsugar.
3. a.6_103_5ofthefisharegoldfish.
b.Totalnumberoffish10212
4_121_3ofthefishareangelfish.
4. 3_102_57_10
7_10ofhersavingsisspent.
5. 1_21_85_8
15_83_8
3_8ofthevehiclesareneithercarsnormotorcycles.
6. 63_1063_10meters
Rajon’splantgrows63_10metershigh.
7. 2_5of104
1_3344_311_3
4packetsofturkeyhamweigh11_3pounds.
8. 6_431218
1_23189
Carlaspends9hoursliftingweightsduringthe12days.
Lesson 6.9
1. 1_8 1_4 5_8 3_4 7_8
2. anypossibleanswer
3. anypossibleanswer
4. anypossibleanswer
5. anypossibleanswer
166 Answers
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6. 1_5 3_10 4_5 9_10
7. anypossibleanswer
8. anypossibleanswer
9. anypossibleanswer
10. anypossibleanswer
11. 1_6 1_4 5_12 7_12 2_3 5_6
12. anypossibleanswer
13. anypossibleanswer
14. anypossibleanswer
15. anypossibleanswer
Put On Your Thinking Cap!
Thinkingskill:Analyzingpartsandwhole
Strategy:Useamodel
1. $27 ?
3units $271unit $2743$92units $932$18
Justinpays$18fortheshirt.
2.
Red peppers?
Green peppers34
?
2units 341unit 3442177units 1737119Thechefhas119peppersaltogether.
3. 8 pounds
Basket Apples
11 pounds
?
1unitofapples 1183835Theweightoftheemptybasketis5pounds.
4. Thinkingskill:AnalyzingpartsandwholeStrategy:Guessandcheck
Answersvary.Onepossibleanswer:
49
16
718
518
13
29
MidYear Test
1. C 2. D 3. B 4. C
5. B 6. B 7. C 8. D
9. D 10. A 11. B 12. D
13. B 14. C
15. B 16. A
17. D 18. C
19. B 20. C
21. 1 22. 371
23. 10,283 24. 69;138
25. 1_2 26. 27cm;156cm
27. 2_3 28. 4ft. 29. 19,256
30. 66,15031.78 32. 1,549
33. Saturday 34. 5,800
35.900800100
36. 11_6liters 37. 4_9
38. 3units 1,4821unit 4945units 4943 5 2,470
Thereare2,470studentsintheschool.
39. 200 100 300
SakinaandAlishareceive300tacosaltogether.
40. $0.50$0.50$1$2$364$218183236
Thereare3650¢coinsinthebag.
41. 92058034034042170170plumsaretransferredfromBasketAtoBasketB.
Extra Practice 4A 167
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42. $3,32842$1,664
1 computer $1,664
1 printer
$1,66444$416
a.Eachprintercosts$416.$1,664$416$1,248
b.Eachcomputercosts$1,248.
43. 8_931,080960
96041096963$2$192Mr.Carloscollects$192fromthesaleofapple.
44.
Tara
(76)
B
?
A
2units 761unit 7642386units 3836228Theycollected228seashellsinall.
45. 45936
36_3 3448
48840
40_2 3360
60passengersstartedthetripfromthefirstbusstop.
168 Answers
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14(M)MIF2015CC_EPG4A_ANS.indd 169 4/19/13 12:59 AM
14(M)MIF2015CC_EPG4A_ANS.indd 170 4/19/13 12:59 AM