1、小升初英语类数学题专项练习（一）1、 An ant（蚂蚁） covers a distance of 90 metres in 3 hours. The average speed of the ant in decimetres（分米） per minute is_. 3、 In a certain town some people were affected by a flu epidemic（流感）. In the first month 20% of the population contracted the flu whilst 80% were healthy.In the fol
2、lowing month 20% of the sick people recovered and 20% of the healthy people contracted the disease.What fraction（分数） of the population is healthy at the end of the second month? 4、Mpho, Barry, Sipho, Erica and Fatima are sitting on a park bench（公园长椅）.Mpho is not sitting on the far right. Barry is no
3、t sitting on the far left.Sipho is not sitting at either end（两头）. Erica is sitting to the right of Barry,but not necessarily next to him. Fatima is not sitting next to Sipho.Sipho is not sitting next to Barry.Who is sitting at the far right? 5、Of the 28 Tshirts in a drawer（抽屉）, six are red, five are
4、 blue, and the rest are white. If Bob selects Tshirts at random whilst packing for a holiday, what is the least number he must remove from the drawer to be sure that he has three Tshirts of the same colour? 6、 In an alien language（外语）, jalez borg farn means “good maths skills”. Nurf klar borg means
5、“maths in harmony” and darko klar farn means “good in gold”.What is “harmony gold” in this language? 7、 Five children, Amelia, Bongani, Charles, Devine and Edwina, were in theclassroom when one of them broke a window. The teacher asked each of them to make a statement（陈述） about the event, knowing th
6、at three of them always lie and two always tell the truth. Their statements were as follows:Amelia: “Charles did not break it, nor did Devine.”Bongani: “I didnt break it, nor did Devine.”Charles: “I didnt break it, but Edwina did.”Devine: “Amelia or Edwina broke it.”Edwina: “Charles broke it.”Who br
7、oke the window? 8、 Did you know? A palindrome（回文数） is a number which reads the same forwards as backwards e.g. 35453. The year 2002 is an example of a palindromic number. What is the difference between 2002 and the number of the previous palindromic year? 9、If a ?b = a+3b then the value of 2+2 ?(3 ?
8、5) is_. 10、Two ants start at point 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?小升初英语类数学题专项练习（二）1、Did you know? In the decimal numb
9、er 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 following numbers is not a valid number in the octal number system (base 8)?A) 128 B) 127 C) 126 D) 125 E) 1242、 The
10、number of diagonals that can be drawn in a regular polygon withtwenty sides (icosagon) is_.翻译：正20边形的对角线有几条？4、Two numbers are in the ratio 2 : 3. When 4 is added to each number the ratio changes to 5 : 7.The sum（和） of the two original numbers is_.5、 The greatest number of Mondays which can occur in 4
11、5 consecutivedays is_翻译：连续45天内，最多有几个星期一？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 number 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 mbehind A and when B finishes C is 20
12、 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 rectangular box（长方体盒子） are 84 cm2 , 70 cm2and 30 cm2.The volume of the box in cm3? is_.9、 You have 3 weights（砝码）: 1 kg, 3 kg and 9 kg as well as an equal ar
13、m balance（天平）. How many different weight objects can you weigh with these three?Remember the weights may be placed on either side小升初英语类数学题专项练习（三）1. Two numbers differ by 57. Their sum is 185. Find the numbers. Choices for the smaller number:54 64 74. 2.A bus went 318 km farther than a car. The car w
14、ent one third as far as the bus. How far did each vehicle（车辆） travel? Choices for the smaller number: 147 151 159 3.One number is four times another number. The larger number is also 87 more than the smaller number. Find the numbers. Choices for the smaller number: 29 30 33 4. A clown（小丑） weights 60
15、 lb（磅） more than a trapeze artist（空中飞人）. The trapeze artist weighs two thids as much as the clown. How much does each weigh? choices for the weight of the trapeze artist : 110 120 125 5. The U.S. Senate（参议院） has 100 members, all Democrats（民主党人） or Republicans（共和党人）. Recently there were 12 more Democ
16、rats than Republicans. How many Senators from each political party were there at that time? Choices for the number of Republicans: 38 42 44 6.The ninth grade class has 17 more girls than boys. there are 431 students in all. how many boys are there? how many girls are there? Choices for the number of
17、 boys: 191 202 207 7. Elena has one and a half times as much money as Ramon.Together they have 225. how much money does each have? Choices for Ramoms amount;80 90 95 8. Western state college is 18 years older than southern state. western is also 2 and the half times as old as southern. how old is ea
18、ch? Choice for southern states age:12 14 18 【2015年洛阳二外小升初真题】1. When my dad celebrated his 31st birthday, I was 8 years old. Now my dad is twice the age of I am. Whats my age now?2. A bottle of juice sells at the price of 1 Yuan. The juice is worth 0.9 Yuan more than the bottle is. How much does an e
19、mpty bottle cost?3. Can you add the operations to the formula to make it correct? 8 _ 4 _ 2 _ 9 = 254. Please put the following numbers into the circles so that you get 40 when you add all the numbers on each side of the triangle? 6, 18, 6, 9, 8, 7, 19, 4, 215. Mr. and Mrs. Bing has 7 daughters, eac
20、h daughter has a brother. How many sons do Mr. and Mrs. Bing have?6. Whats the next number?4, 6, 10, 18, 34, _【2013年洛阳二外小升初真题】1. There are some chickens and rabbits in a cage(笼子）.You can see 9 heads at the top and 24 feet at the bottom. How many chickens and rabbits are there in the cage?（6分）2.100 s
21、tudents were in a math contest(竞赛）.The average（平均数） of their final score（分数） is 63.The average of the boys score is 60.The average of the girls score is 70.How many of them are boys? How many of them are girls? （8分） 3.Jack and Jim are friends. The ratio(比）of Jacks and Jims pocket money is 3:2.If Jac
22、k gives Jim 10 yuan, the ratio of their pocket money will become 5:4.So how much money does Jack have?（8分）4. Mike has a lot of apples. He needs to get them to town and sell them. It takes(花费）3 days to get all the apples to town with 8 big trucks. It takes 8days to get 75% of the apples to town with
23、5 small trucks. Now Mike has 3 big trucks and 4 small trucks, how many days will it take to get all the apples to town?（8分）小升初英语类数学题专项练习（一）参考答案1、单位换算 9010（360）52、?463、? 4、?Erica5、?抽屉原则 76、?注意一一对应，borg= maths, farn=good, jalez=skills. Klar=in, Nurf=harmony, darko=gold. 答案是Nurf darko.7、?Charles8、?2002
24、-1991=119、?5810、 36小升初英语类数学题专项练习（二）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、170 找规律，公式为n（n-3）23、3 就是求379减去6的平方的差的各位数。4、16+24=405、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、420cm3 分解质因数9、13种 113都可以小升初英语类数学题专项练习（三）参考答案1.设较小数为x. x+x+57=185 x=64. 2.设轿车行驶了x千米. 318+x=3x x=159千米 轿车行驶了159千米,公车行驶了318+159=477千米. 3.设较小数为x. 4x=x+87 x=29. 4.60+x=3x/2 x=120 5.Let the number of Republicans be x. x+x+12=100 x=44 6.设有x名男生 x+x+17=431 x=207名 有男生207名,女生431-207=224名. 7.设Ramom有x元. x+3x/2=225 x=90元 8.设southern states college 有x年历史. x+18=5x/2 x=12年.【2015年洛阳二外小升初真题参考答案】【2013年洛阳二外小升初真题参考答案】1、6只鸡，3只兔2、男生70人，女生30人3、135元4、5天
