2024年4月5日发(作者：台州黄岩初三数学试卷)

2022-2023年度美国MathLeague思维探索第一阶段活动

(四年级)

(答题时间：75分钟，总分：175分)

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选择题：每小题5分，答对加5分，答错不扣分，共175分。

conehas3scoopsoficecream,24coneshave

A)8

A)3

A)1

A)Thursday

B)27

B)6

B)2

B)Friday

C)48

?shoes.

C)12

C)3

C)Saturday

D)36

D)4

D)Sunday

enpairsofshoesis6×

?scoopsintotal.

D)72

ydivisorsof2022aremultiplesof2?

10daysaftermylastbirthdaywasaTuesday,onwhatdayoftheweekwasmylastbirthday?

thegreatestpossibledigitofthiswhole

number?

A)3B)4C)8D)9

sedthebasketonevery3rdthrowof48throws,Imissedthebaskettimes.

A)3

A)6

A)400hours

B)16

B)24

B)456hours

C)32

C)36

C)460hours

D)45

D)72

morethan20hours.

D)476hours

umofthelengthsofthreesidesofasquareis18,thentheperimeterofthesquareis

alnumberofhoursin20daysis?

atestintey

integersareonthelist?

A)15B)16C)30D)31

ar,aved$150lastyear,howmuch

moremoneydidshesavelastyearthanshespentlastyear?

A)$50

A)7

B)$75

B)11

C)$100

C)15

D)$450

D)19

thegreatestpossiblevalueofoneoftwoprimeswhoseproductislessthan20?

daysheswamone

ylapsdidSueswimonthethirdday?

A)4

A)24

B)5

B)28

C)17

C)30

D)19

D)36

llestmultipleof6thatis2morethanamultipleof7is

witchtheorderofthedigitsofa2-digitinteger,thenewintegeris9lessthantheoriginal

integercouldbe

A)12B)13C)14D)15

ymorenumbersdidKaycountthanMay

counted?

A)1

A)3

B)12

B)5

C)24

C)6

D)36

D)8

yfactorsof1×2×3×4×5arefactorsof1×2×3×4?

reaandperimeterofasquarewithintegerside-lengthsarenumericallyequal,theproductofthe

areaandperimetermustbe

A)4B)16C)32D)256

st3kids

wkidsgetonanyline,howmanyrides

mustrununtileachkidhasriddentherollercoaster?

A)20B)24C)60D)180

ofthedigitsofthegreatest3-digitintegerwithonedigitamultipleof2,anotheramultipleof3,

anda3rddigitamultipleof5is

A)17B)18C)21D)22

?alvalueofthesecoins,incents,is

totalnumberofthesecoins.

A)5B)15C)20D)30

berofdaysitrainedinmytownlastyearisthesamenumberofdaysinanoddnumberof

inedmorethan100dayslastyear,thefewestdaysitcouldhaverainedis

A)103B)105C)107D)109

ireis

dividedinto50cm-longsectionsandatmost8birdscanoccupyeachsection,

howmanybirdsfromtheflockwillnothaveroomtolandonthewire?

A)0B)20C)40D)80


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