2020美國數(shù)學大聯(lián)盟杯賽五年級試卷

1、1 / 4教學資料參考參考范本美國數(shù)學大聯(lián)盟杯賽五年級試卷_ 年_ 月_ 日_ 部n2 / 4(初賽時間：2018 年 11 月 14 日,考試時間 90 分鐘，總分 200 分)學生誠信協(xié)議：考試期間，我確定沒有就所涉及的問題或結(jié)論，與任何 人、用任何方式交流或討論，我確定以下的答案均為我個人獨立完成的成果，否則愿接受本次成績無 效的處罰。如果您同意遵守以上協(xié)議請在裝訂線內(nèi)簽名選擇題：每小題 5 分,答對加 5 分,答錯不扣分，共 200 分,答案請?zhí)钔?在答題卡上。1.A 6 by 6 square has the same area as a 4 by ? rectangle.A) 3B

2、) 6C) 8D) 92. Every prime has exactly_? positive divisors.A) 1B) 2C) 3D) 4 or more3.If I answered 34 out of 40 questions on my math testcorrectly, I an swered ? % of the questi ons correctly.A) 75B) 80C) 85D) 904. 120七4X2 =A) 1B) 10C) 12D) 1205.10X20X30X40 = 24X?A)1000B) 10 000C) 100 000D) 1000 0006

3、. One of my boxes contains 1 pencil and the others each contain 5 pencils. If there are101 pen cils in my boxes, how many boxes do I have?A) 19B) 20C) 21D) 227.of those are damaged. How many light bulbs areiot damaged?3 / 4A) 25B) 504C) 1512D) 20 xx7.50 x(16 + 24) is the square ofA) -40B) -4C) 4D) 8

4、08. Which of the following numbers has exactly 3 positive divisors?A) 49B) 56C) 69D) 1009.Ten people stand in a line. Counting from the left, Jerry stands at the 5thposition. Counting from the right, which positi on is he at?A) 4B) 5C) 6D) 710.On a teamwork project, Jack contributed 2/7 of the total

5、 amount of work,Jill con tributed 1/4 of the work, Patcon tributed 1/5 of the work, anWho con tributed the mosttoward this project?11.Which of the following numbers is a factor of 20 xx?13.2X4X X6X2X4 =A) 210B) 21514.On a game show, Al won four times as much as Bob, and Bobwon four times as much as

6、Cy. If Al won $1536, how much diAl, Bob, and Cy win together?A) $96B) $384C) $1920D) $20 xx15. cannot beA) oddB) evenC) 11D) 1716.If a and b are positive integers such that a/b = 5/7, then a + b is17. What is the greatest odd factor of the number of hours in all the days of the year第Ml頁tt共4頁tributed

7、the rest.A) JackB) JillC) PatD) MattA) 5B) 11C) 48D) 99C) 221D) 2120daA) 12B) 24C) 36D) not able to be determ ined4 / 420 xx?A) 3B) 365C) 1095D) 328518.If the curre nt mon th is February, what month will it be 1199 999 mon ths from now?A) Jan uaryB) FebruaryC) MarchD) April19.0less than the other. W

8、hat is the measure of the larger angle?A) 36oB) 54oC) 63D) 7220.(The square root of 16) + (the cube root of 64) + (the 4th root of 256)=A) 12B) 24C) 32D) 6421.In ?ABC, mZ A-m/B = m/B-mZC. What is the degree measure ofZB?A) 30B) 60C) 90D) 12022. For every 3 math books I bought, I bought 2 biology boo

9、ks. I bought 55 books in all.How many of those are math books?A) 11B) 22C) 33D) 4423.? 1s.A) 17B) 19C) 29D) 3224. Weird Town uses three types of currencies: Cons, Flegs, and Sels. If 3 Sels = 9 Consand 2 Cons = 4 Flegs, the n 5 Sels = ? Flegs.A) 12B) 24C) 30D) 3625.If the length of a rectangular prism with volume V is doubled while thewidth and the height are halved, the volume of the new prism will beA) 4VB) V/2C) VD) 2V26. Rick and Roy each stands at differe