美国数学大联盟杯赛五年级试卷.docx
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1、最新 料推荐 ) 名 签 (名 姓 题 级 年 线 答 不 校 学 内在 所订 线 订 号 证 考装 准 装 区 市 城 2015-2016 年度美国“数学大联盟杯赛”( 中国赛区 ) 初赛( 五年级 )( 初赛时间: 2015 年 11 月 14 日,考试时间90 分钟,总分 200 分 )学生诚信协议: 考试期间,我确定没有就所涉及的问题或结论,与任何人、用任何方式交流或讨论,我确定以下的答案均为我个人独立完成的成果,否则愿接受本次成绩无效的处罚。如果您同意遵守以上协议请在装订线内签名选择题:每小题5 分,答对加 5 分,答错不扣分,共200 分,答案请填涂在答题卡上。1.A 6 by 6
2、 square has the same area as a 4 by?rectangle.A) 3B) 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 test correctly, I answered ? % of the questions correctly.A)75B) 80C) 85D) 904.120 3412 =A)1B) 10C) 12D) 1205.1020304
3、0 = 24 ?A)1000B) 10 000C) 100 000D) 1000 0006. One of my boxes contains 1 pencil and the others each contain 5 pencils. If there are 101 pencils in my boxes, how many boxes do I have?A) 19B) 20C) 21D) 227. An electrical company imports 2016 light bulbs. Unfortunately, 25% of those are damaged. How m
4、any light bulbs arenot damaged?A) 25B) 504C) 1512D) 201648.50 (16 + 2 ) is the square ofA) -40B) -4C) 4D) 809.Which of the following numbers has exactly 3 positive divisors?A) 49B) 56C) 69D) 10010. Ten people stand in a line. Counting from the left, Jerry stands at the 5th position. Counting from th
5、e right, which position is he at?A) 4B) 5C) 6D) 711. On a teamwork project, Jack contributed 2/7 of the total amount of work, Jill contributed 1/4 of the work, Pat contributed 1/5 of the work, and Matt contributed the rest. Who contributed the most toward this project?A) JackB) JillC) PatD) Matt12.
6、Which of the following numbers is a factor of 2016?A) 5B) 11C) 48D) 9913. 2 48 16 32 64 =A) 2 10B) 215C) 221D) 212014. On a game show, Al won four times as much as Bob, and Bob won four times as much as Cy. If Al won $1536, how much did Al, Bob, and Cy win together?A) $96B) $384C) $1920D) $201615. T
7、he sum of two compositescannot beA) oddB) evenC) 11D) 1716. If a and b are positive integers such thata/b = 5/7, then a + b isA) 12B) 24C) 36D) not able to be determined17. What is the greatest odd factor of the number of hours in all the days of the year 2015?A) 3B) 365C) 1095D) 328518. If the curr
8、ent month is February, what month will it be 1 199 999 months from now?A) JanuaryB) FebruaryC) MarchD) April19. Two angles are complementary. One of these angles is 36less than the other. What is the measure of the larger angle?A) 36 B) 54 C) 63 D) 72 20.(The square root of 16) + (the cube root of 6
9、4) + (the 4th root of 256) =A) 12B) 24C) 32D) 6421.In ? ABC, mA mB = mB mC. What is the degree measure ofB?A) 30B) 60C) 90D) 12022. For every 3 math books I bought, I bought 2 biology books. I bought 55 books in all. How many of those are math books?A) 11B) 22C) 33D) 4423. John wrote a number whose
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