Đề thi violympic môn Toán tiếng Anh Lớp 4 – Vòng 4 – Năm học 2014-2015

TOÁN TIẾNG ANH VIOLYMPIC 2014 – 2015

LỚP 4 – VÒNG 4 (14-11-2014)

Exam number 119:29

Fill in the blank with the suitable number

Question 1:

Calculate: 

Question 2:

If  then 

Question 3:

If  then  = 

Question 4:

Calculate: 

Question 5:

There are  even numbers from 1 to 15.

Question 6:

. The missing number is

Question 7:

The average of age of mother and daughter is 21 years. Mother is 24 years older than daughter. Daughter is  years old.

Question 8:

The sum of 25 and  is the smallest 3-digit-number.

 = 

Question 9:

Minh and Nam have a total of 9 pencils. If Minh has 4 pencils more than Khoa, then Nam and Khoa have a total of  pencils

Question 10:

N is a 2-digit number. If N + 5 < 20 and N + 5 is divisible by 9 then N = 

Exam number 119:48

Fill in the blank with the suitable number

Question 1:

If the average of A and 6 is 10 then A = 

Question 2:

Calculate: 

Question 3:

If  then 

Question 4:

If ,  then 

Question 5:

The average of age of mother and daughter is 21 years. Mother is 24 years older than daughter. Mother is  years old.

Question 6:

. The missing number is

Question 7:

. The missing number is

Question 8:

Minh is 9 years old. If the average of age of Minh and his mother is 22, then his mother is  years old.

Question 9:

Minh and Nam have a total of 9 pencils. If Minh has 4 pencils more than Khoa, then Nam and Khoa have a total of  pencils

Question 10:

The perimeter of a rectangle is  and its length is  more than its width.The area of this rectangle is 

8/10

89

<

32

898

11

12

4050

10234

10000

20

750

120

16

21

27