小升初英语类数学题汇总及答案

小升初英语类数学题汇总及答案
小升初英语类数学题汇总及答案

小升初英语类数学题专项练习(一)

1、An ant (蚂蚁)covers a distanee of 90 metres in 3 hours. The average speed of the

ant in decimetres (分米)per mi nute is __

2、L he Aticietil Ronumi u^ed the Llil'iriciit liumrials m ihci

mimher svslem.

I - I c -100

V= 5 D = 500

X = 10 M = WOO. etc.

L = 50

Thev used thc^e nn mem Is; to m:ikc up numbers ns io Hows:

I = I VT = 6

n = 2 VII = 7

ni = 3 vm = s

IV = 4 ix = 9

V s X = 10. etc.

So, for example, XCIX is 99,

What is the value of XLVI'?|

3、In a certa in tow n 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 following month 20% of the sick people recovered and 20% of the healthy

people con tracted the disease.

What fraction (分数)of the populati on is healthy at the end of the sec ond mon th?

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 not 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 sitt ing at the far right?

5、Of the 28 T —hirts in a drawer (抽屉),six are red, five are blue, and the rest are white. If Bob selects T -shirts at random whilst packing for a holiday, what is the least

nu mber he must remove from the drawer to be sure that he has three T -shirts of the same colour?

6、In an alien Ianguage (外语),jalez borg farn means “ good maths skills ” . Nurf klar borg means “ maths in harmony ” and darko klar farn means “ good in gold ” . What is “ harm ony gold ” in this Ian guage?

7、Five children, Amelia, Bongani, Charles, Devine and Edwina, were in the

classroom whe n one of them broke a wi ndow. The teacher asked each of them to

make a stateme nt (陈述)about the eve nt, knowing that three of them always lie and

two always tell the truth. Their stateme nts were as follows:

Amelia: “ Charles did not break it, nor did Devine. ”

Bongani: “ I didn ' t break it, nor did Devine. ”

Charles: “I didn ' t break it, but Edwina did. ”

Devine: “Amelia or Edwina broke it. ”

Edwi na: “ Charles broke it. ”

Who broke the win dow?

(回文数)is a nu mber which reads the same forwards as 8、Did you know? A palindrome

backwards e.g. 35453. The year 2002 is an example of a pali ndromic nu mber. What

is the differe nee betwee n 2002 and the nu mber of the previous pali ndromic year?

9、If a ?b = a+3 xb then the value of 2+2 ?(3 ?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 cm

rectangle. What is the minimum distanee, in centimetres, any one must

cover before they meet aga

in?

小升初英语类数学题专项练习(二)

1、Did you know? In the decimal number system (base 10) ten different digits, 0 to 9, are used to write all the nu mbers .In the binary nu mber system (base 2) two differe nt digits are used, i.e. 0 and 1.

Which one of the follow ing nu mbers is not a valid nu mber in the octal nu mber system (base 8)?

A) 128 B) 127 C) 126 D) 125 E) 124

2、The number of diagonals that can be drawn in a regular polygon with

twenty sides (icosago n) is ___ .

翻译:正20边形的对角线有几条?

3、If a and b are integers, 1O?3=1,15207=3, and then is equal zo_______ .

4、Two numbers are in the ratio 2 : 3. When 4 is added to each number the ratio cha nges to

5 : 7.The sum (和) of the two origi nal nu mbers is ________________ .

5、The greatest nu mber of Mon days which can occur in 45 con secutive

days 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 nu mber 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 rectangular box (长方体盒子) are 84 cm 2,70 cm 2and 30 cm 2.The volume of the box in cm 3is _________ .

9、You have 3 weights (砝码):1 kg, 3 kg and 9 kg as well as an equal arm balanee

(天平).How many differe nt 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 nu mber:54 64 74.

2. A bus went 318 km farther tha n a car. The car went one third as far as the bus.

How far did each vehicle (车辆)travel? Choices for the smaller number: 147 151 159

3.0ne nu mber is four times ano ther nu mber. The larger nu mber is also 87 more

than the smaller nu mber. Find the nu mbers. Choices for the smaller nu mber: 29 30 33

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