南外冲刺数学试卷小升初(全英文)

  • 格式:pdf
  • 大小:21.86 KB
  • 文档页数:2

南外冲刺数学

姓名__________

本期主要数学术语的英语表述:

prime number 质数decimal 小数approximate value近似值to the nearest四舍五入natural number 自然数remainder 余数multiple 倍数divisor 约数

parallelogram平行四边形straight line直线parallel 平行lateral 边

quadrilateral 四边形

1. Calculate计算102÷ [(350+60÷ 15)÷ 59×1 7]=______.

2. ABC were discussing(讨论)the problem of the addition(和)of two prime numbers. A said,

“The addition of two prime numbersmust be a prime number.”B said,“The additionmaynot be a

prime number.”Who was right?

3.aisafour-digitdecimal.Theapproximatevaluetothenearestis4.68.Itsmaximumvalueis

____________.

th4.Thereisaseriesofnumbers:(1,1,1),(2,4,8),(3,9,27),…Inthe1998group,weaddthethreenumbers and get a new number. The sum of the last two digits of the new number is ________.

5. A natural number bigger than 1 is divided by 442, 297 and 210, and the remainders are the same.

The natural number is ____________.

6.ThepricesofABCcandiesare9,7.5,and7perkilogramrespectively.Nowwemix(混)5

kilograms of candy A, 4 kilograms of candyB, and 3 kilograms of candy C. ________kilograms

of this mixed candy can be bought with 10 yuan.

7. A naturalnumberis themultiple of 3 and 4. Ithas 10 divisorsincluding 1 anditself.The natural

number is __________.

8. There are atmost(最多) 5 Sundaysin amonth. Howmanymonthswith 5 Sundays arethere at

most in 12 months of a year?

9.Aclockisfourandhalfminutesbehindthestandardtime(标准时间)at00.00on29thJuly.Itthkeeps working until 7 am on 5Aug, and at the time it is 3 minutes ahead of the standard time. The

right time which the clock shows will be ___________.

10. Wang Gang, Li Qiang, and Zhang Jun each said three sentences.

Wang Gang: I am 22, 2 years younger than Li Qiang, 1 year older than Zhang Jun.Li Qiang: I am not the youngest. There are 3 years between Zhang Jun and me. Zhang Jun is 25.

Zhang Jun: I am younger than Wang Gang. Wang Gang is 23. Li Qiang is 3 years older than Wang

Gang.

If there are only 2 sentences right in each 3 sentences, what is Wang Gang’s age?

11. The teacher in a kindergarten (幼儿园) give some pictures to the three classes of ABC. Each student can get 6 pictures. If all pictures are given to class B, everyone can get 15 pictures. If all

pictures are given to class C, each student will get 14. If all pictures are given to class A, how many pictures can a student get?

12. In the following parallelogram, two straight lines (直线) that parallel (平行) the laterals (边)

divide the parallelogram into 9 small parallelograms. The area of the big parallelogram is 99 2cm,

the area of the small parallelogram in the middle (the shadow) is 19 2cm, what is the area of

quadrilateral (四边形)ABCD?

13. Truck A and Truck B start from place A and place B at the same time. The two places are 300

kilometers away from each other. Truck A goes at 60 kilometers per hour toward place B, and Truck

B goes at 40 kilometers per hour toward place A. When Truck A gets place B, it stops for 2 hours

and returns at the same speed. Truck B arrives place A, stays for half an hour and returns at the same speed. When the two trucks meet on the way, how many kilometers is the place away from

place A?

14. There are 15 students and they are numbered from 1 to 15. No. 1 write a natural number, no. 2

says, “The number can be divided by 2 evenly.”No. 3 says, “This number can be divided by 3

evenly.” Then all the students say that this number can be divided evenly by their own numbers. No.

1 checks one by one, and he finds that only 2 students are wrong. The numbers of the 2 students are

next to each other. If the natural number written by No. 1 is a six-digit number, what is the number

at least (至少)?