考上人大附中数学实验班的经验

　　最近两年很多重点中学，尤其是市重点，在小升初的时候都考察英文奥数题。需要提醒同学们的是，你不需要完全读懂题目的意思，而是应该根据自己所学的只是猜测题目需要求什么。所涉及到的知识都是比较简单的奥数知识。希望同学们克服害怕的心理，考出好成绩。

　　1、In 2004, 16 June falls on a Wednesday. On what day of the week will 16 June fall in 2010?

　　2、 In a magic square the sum of the numbers in each row, in each diagonal and in each column are equal. In this magic square the ＆#118alue of x is:

　　3、If half of a number is 30, then three-quarters of that number is____.

　　4、The sum of the digits of the following product

　　999×555

　　5、Three positive integers have a sum of 28. The greatest possible product that these integers can have is_____.

　　6、Jack was trying to tessellate regular pentagons. He managed the

　　following figure.

　　The size of angle .a. is______.

　　7、If the area of the shaded region of the regular hexagon in the diagram

　　below is 36 cm2, the area of the whole hexagon in cm2 is_____.

　　8、In what follows, □ and Δ are different numbers.

　　When 503 is divided by □ the remainder is 20.

　　When 503 is divided by Δ the remainder is 20.

　　When 493 is divided by □ x Δ the remainder is_____.

　　9、A lady, her brother, her son and her daughter (all related by birth) played

　　volleyball. The worst player's twin (who is one of the four players) and the

　　best player are of opposite ***.

　　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 only

　　10、If you continue the given number pattern, in what row and in what

　　position in that row will the number 320 be?

　　1 -------------- row 1

　　2 3 -------------- row 2

　　4 5 6 -------------- row 3

　　7 8 9 10 -------------- row 4

　　The answers are given in the order of row ; position.

　　参考答案：

　　1、Wednesday 2、12 3、45 4、27（求数位上上的数字之和）5、28=9+9+10，因此答案为810 6、36度 7、108 8、503-20=483 483=3×7×23＝21×23，因此□ x Δ＝483，因此此题余数是10. 9、D 10、25，20