小升初英文奥数题11doc.docx

1、小升初英文奥数题11doc小升初英文奥数题 1 1、I n 2004, 1 6 June falls on a Wednesday. On what dayof the week will 16 June fall in201 0?2、If half of a number is 30, then three-quarters of that number is.3 The sum of the digits of the following product 999x 5554、 Three positive integers have a sum of 28. The greatest po

2、ssible product thatthese integers can have is .5、 I n what follows, and are different numbers.When 503 is divided by the remainder is 20.When 503 is divided by the remainder is 20.When 493 is divided by x A the remainder is.6、 A lady, her brother, her son and her daughter (all related by birth) play

3、ed volleyball. The worst players twin (who is one of the four players) and the best player are of opposite sex.The worst player and the best player are of the same age.Who cannot be the worst player(s)?A)brother only B) daughter only C) son and daughter only D) lady and daughter only E) lady only7、

4、If you continue the given number pattern, in what row and in whatposition in that row will the number 320 be?1 row 1 2 3 row 2 4 5 6 row3 7 8 9 10 row 4The answers are given in the order of row ; position.参考答案：1、Wednesday 2. 45 3、27 (求数位上上的数字之和)4、28=9+9+10,因此答案 为 810 5、 503-20=483 483=3x 7x 23=21x 2

5、3, lilllta x A=483,因 Uhl 七题余数是 10. 6、D 7、25, 20 2009小升初英文奥数题21、 Did you know? I n the decimal number system (base 1 0) ten different digits, 0 to 9, are used to write all the numbers. In the binary number system (base 2) two different digits are used, i.e. 0 and 1. Which one of the following numbers

6、 is not a valid number in the octal number system (base 8)? A) 1 28 B) 127 C) 126 D) 125 E) 1242、The number of diagonals that can be drawn in a regular polygon with twenty sides (icosagon) is.3 If a and b are integers, 1 0A3= 1,152A7= 3, and then 379A6 is equal to .4、 Two numbers are in the ratio 2

7、: 3. When 4 is added to each number the ratio changes to 5 : 7.The sum of the two original numbers is.5、 The greatest number of Mondays which can occur in 45 consecutive daysis 6、 Saul plays a video game in which he scores 4 for a hit and lost 6 for a miss. After 20 rounds his score is 30. The numbe

8、r of times he has missed is.7、 Three girls A, B and C run in a 1 00 m race. When A finishes, B is 10 m behind A and when B finishes C is 20 m behind B. How far in metres was C from A when A finished?(Lets assume all the athletes run at a constant speed)8、 The areas of the faces of a rectangulabox ar

9、e 84 cm2 , 70 cm2and 30cm2.The volume of the box in cm3 is.9、 You have 3 weights: 1 kg, 3 kg and 9 kg as well as an equal arm balance, asshown. How many different weight objects can you weigh with these three? Remember the weights may be placed on either side 参考答案： 1、A考察我们学过的简单的进制问题，显然8进制中没有8出现 2、17

10、0找规律，公式为 nx (n-3)-2 3、1定义新运算，就是求379-6的余数。 4.40,16和24 5、7 6、5 7、28米，根据距1、离比求出速度比，三者的速度比为1: 9/10： 18/258、420分解质因数 9、13种I n 2004, 1 6 June falls on a Wednesday. On what day of the week w山 16 June fall in 2010?翻2004年6月16号是星期三，那么2010年6月16号是星期儿呢？ 2004 年6月16号是星期三，那么2010年6月16号是星期几呢？ 还是星期三平年 365+7=52.1 闰年 36

11、6-7=52.2 所以若第二年为平年，则那年的今天星期序号是现年今天后一天；闰年则后两天。 2005, 2006, 2007, 2009, 2010 为平年,2008 为闰年 于是加起来应该多7天，叩一个星期，所以还是星期三前面几位仁兄方法是对的，但错在多加了一天。04年为闰年没错，但它多的一天在2月， 而题目给出的是6月了，所以不应该再加那一天回答者：ydxf回答时间：2009-04-09 21:34:28举报 In 2004, 1 6 June falls on a Wednesday. On what day of the week will 16 June fall in 2010?翻

12、2004年6月16号是星期三，那么2010年6月16号是星期儿 呢？回答者:少女时光 回答时间:2009-04-09 21:38:04举报 今年小丽的年龄是她妈妈年龄的2/7, 5年后，小丽的年龄将是她妈蚂的3/8,今年小丽多 少岁？ Xiaoli this year is the age of her mothers age two seventhjive year s later, Xiaoli age will be her mothers three eight. Xiaoli how old this year?回答者:hfm051回答时间:2009-04-09 21:40:32举报

13、 般每年的初一和初二希望杯数学竞赛初赛有2道用英语表述的数学题，一道选择题，一 道填空题，你可以在网上找一下。另外为了提高阅读用英语写的数学文章，你可以找一些与 初等数学有关的原版数学教材进行课外阅读。2、 Atl0:30,the angle less than 180Formet by hourhand and minuteHand ofa normal clock is(英汉词典：angle角;less than小于;tofrom形成；hour hand时针;Minuti hand分针；normal正常，正规； clock钟，时钟)上而是一道关于时钟问题的英文奥数题，猜猜是什么意思？附参考

14、答案：如果做过相关的时钟问题，借助于所给的解释可以理解到：求10： 30分时， 时针与分针所形成的小于180的夹角是多少？答案：135。3、 1 n Tn 2004, 16 June falls on a Wednesday. On what day of the week wi 11 16 Junefall in2010?2、 If half of a number is 30, then three-quarters of that number is.3、 The sum of the digits of the following product 999X5554、 Three pos

15、itive integers have a sum of 28. The greatest possible product that these integers can have is.5、 In what follows, and are different numbers. When 503 is divided by the remainder is 20. When 503 is divided by the remainder is 20. When 493 is divided by x A the remainder is .A lady, her brother, her

16、son and her daughter (al 1 related by birth) played volleybal 1. The worst players twin (who is one of the four players) and the best player are of opposite sex. The worst player and the best player are of the same age. Who cannot be the worst player(s)?A)brother onlyB)daughter onlyC)son and daughte

17、r onlyD)lady and daughter onlyE)lady only7、If you continue the given number pattern, in what row and in whatposition in that row will the number 320 be?1 row 123 row 24 5 6 row 37 8 9 10 row 4The answers are given in the order of row ; position.参考答案：K Wednesday 2、45 3、27 (求数位上上的数字之和)4、28=9+9+10,因此答案

18、为8105、503-20二483 483=3X7X23=21 X23,因此 x =483,因此此题余数是 10. 6、 I) 7、25, 204、1、Did you know? Tn the decimal number system (base 10) ten different digits, 0 to 9, are used to write all the numbers. In the binary number system (base 2) two different digits are used, i. e. 0 and 1.Which one of the followin

19、g numbers is not a valid number in the octal number system (base 8)?A) 128 B) 127 C) 126 D) 125 E) 1242、The number of diagonals that can be drawn in a regular polygon with twenty sides (icosagon) is .3 If a and b are integers, 103=l,1527=3, and then 3796 is equal to4、Two numbers are in the ratio 2 :

20、 3. When 4 is added to each number the ratio changes to 5 : 7. The sum of the two original numbers is.5 The greatest number of Mondays which can occur in 45 consecutive days is6、Saul plays a video game in which he scores 4 for a hit and lost 6 for a miss. After 20 rounds his score is 30. The number

21、of times he has missed is .7 Three girls A, B and C run in a 100 m race. When A finishes, B is 10 m behind A and when B finishes C is 20 m behind B. How far in metres was C from A when A finished?(Let s assume all the athletes run at a constant speed)8 The areas of the faces of a rectangulabox are 8

22、4 cm2 , 70 cm2and 30 cm2. The volume of the box in cm3 is .9、You have 3 weights: 1 kg, 3 kg and 9 kg as wel 1 as an equal arm balance, as shown. How many di fferent weight objects can you weigh wi th these three? Remember the weights may be placed on either side参考答案：1、 A考察我们学过的简单的进制问题，显然8进制中没有8出现2、

23、170找规律，公式为nX (n-3) 4-23、 1定义新运算，就是求3796的余数。4、 40, 16 和 245、 76、 57、 28米，根据距离比求出速度比，三者的速度比为1： 9/10： 18/258、 420分解质因数9、 13 种前两期英文奥数推出之后，家长和同学们都反映非常好，说受益匪浅，甚至有的学校还考到 了原题。因此现在我们推出系列三。1、An ant covers a distance of 90 metres in 3 hours. The average speed of the ant in decimetres per minute is.2、The Ancien

24、t Romans used the followms different numerals in theinumber system:I = 1c= 100V =D= 500X =10M二 1000, etc.L =50I hey used these numerals to make up numbers as follows:I = 1VI =6II =2VII =7ni =3vin =8IV =4IX =9v =x =10. etc.So. for example. XCIX is 99.What is the value of XLT?|In a certain town some p

25、eople were affected by a flu epidemic. In the first month 20% of the population contracted the flu whilst 80% were healthy. In the following month 20% of the sick people recovered and 20% of the heal thy people contracted the disease. What fraction of the popul ation is heal thy at the end of the se

26、cond month?4、Mpho, Barry, Si pho, Erica and Fatima are sitting on a park bench. Mpho is not sitting on the far right. Barry is not sitting on the far left. Sipho is not sitting at either end. Erica is sitting to the right of Barry, but not necessarily next to him. Fatima is not sitting next to Sipho

27、. Sipho is not sitting next to Barry. Who is si tting at the far ri ght?50f the 28 T?shirts in a drawer, six are red, five are blue, and the rest arewhite. If Bob selects T?shirts at random whilst packing for a holiday, what is the least number he must remove from the drawer to be sure that he has t

28、hree T?shirts of the same colour?6、Tn an al ien 1 anguage, jal ez borg farn means “good maths skills” . Nurf kl ar borg means “maths in harmony and darko klar farn means “good in gold” . What is “harmony gold in this language?9 If a b = (3Xb) then the value of 2+(2Xa)(3 5) is10 Two ants start at poi

29、nt A and walk at the same pace. One ant walks around a 3 cm by 3 cm square whilst the other walks around a 6 cm by 3 cmrectangle. What is the minimum distance, in centimetres, any one mustcover before they meet again?参考答案：1、 单位换算，注意单词，90X104- (3X60) =52、 463、 0.684、 Erica5、 抽屉原则76、 注意一一对应，borg= math

30、s, farn二good, jalez二ski 11 s. Klar=in, Nurf二harmony, darko=gold.答案是 Nurf darko.7 Charles8、 10019、 6710、 108 第一题:蚂蚁3小时走90米,问平均每分钟走多少厘米？ 第二题:古罗马的数字表示方式:I=1, V=5, X=10, L=50, C=100, D=500, M=1000,等，因此 1=1, 11=2, 111=3, IV=4, V=5, VI=6, VII=7, VIII=8, IX=9, X=10,等。 例如：XCIX=99,问XLVI表示的数值是多少？第三题：一个城镇受到流感病

31、毒侵袭，第一个月里总人口 的20%感染了病毒，其它80%的人是健康的；下一个月里, 病人中20%康复了，但原来的健康人中石20%的人乂感染 了。问第二个月底健康的人口占总人口的百分数是多少？ 第四题:Mpho, Barry, Sipho, Erica和Fatima坐在公园的长 凳上，Mpho不在最右边，Barry不在最左边，Sipho不在 两端，Erica在Barry的右边，但不一定紧靠他，Fatima没 咨在Sipho的旁边,Sipho不在Barry旁边。问：谁坐在 最右边？第五题：抽屉中的28件T-shirts中，6件是红色的，5件 是蓝色的，其它的是白色的。如果Bob随机选择T-shirts 在假期穿，为确保他有三件相同颜色的T-shirts,他至少 要从抽屉中拿出多少件T-shirt?5、1.The sum of the digits of the following product 999x5552.Three positive integers have a sum of 28. The greatest possible product that these integers can have is.3.1n what follows, and are different numbers.When 503 is divided by the r