VÒNG 4 - TIẾNG ANH (14-15)

VÒNG 4 – TIẾNG ANH
BÀI 1:
Câu 1:
Lan is 8 years old. Her grandmother is 
 of her age. How old is Lan`s grandmother? Câu 2:
Compare: 



Câu 3:
Calculate: 
The value of A is 

Câu 4:
There are 49 students in a class. Boy students are 
 the number of girl students. There are 
 girl students in this class.
Câu 5:
If 
 is divisible by 2, 5 and 9 then b is 

Câu 6:
Find two consecutive even numbers if the first number is 
 of the second number. Answer: The second number is 

Câu 7:
How many natural numbers not greater than 1665 which are divisible by 5?
Câu 8:
If the sum of denominator and numerator of a fraction is 52 and the denominator is 18 units more than the numerator then the numerator is 

Câu 9:
Let A = 12345678910111213... (A was written by consecutive natural numbers) If A has 103 digits then the last digit of A is 

Câu 10:
Find the last digit of this product:
Câu 11:
Write 
 in the lowest terms: 
The value of B is 

Câu1 2:
Câu 13:
Calculate: 
The value of A is 

Câu 14:
Spending 200000 dong on buying 4 books. Spending 
 dong on buying 7 books.
Câu 15:
The sum of age of father and son is 60 years old and son is 30 years younger than father. Father is 
 years old.
Câu 16:
The average of three numbers is 32. The second number is two times the first number and the third number is six units more than the second number. The first number is 

Câu 17:
If 
 is a natural number and 
 then m is 

BÀI 2: TĂNG DẦN


BÀI 3:ĐI TÌM KHO BÁU



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VÒNG 4B – TIẾNG ANH
BÀI 1:CÓC VÀNG TÀI BA











BÀI 2: ĐỈNH NÚI TRÍ TUỆ


























BÀI 3:
Câu 1:
Compare:



Câu 2:
In 
, which digit is in the tenths place? Answer: 

Câu 3:
In 
, which digit is in the hundreds place? Answer: 

Câu 4:
In 
, which digit is in the thousandths place? Answer:

Câu 5:
Compare: 



Câu 6:
In these decimal numbers: 
 
 
 
 
 
, which number is the greatest? Answer: 

Câu 7:
If 
 then 


Câu 8:
Find 
 if 
Answer: 
=

Câu 9:
If 
 then 


Câu 10:
The area of a rectangle is 
. The area of a circle is 
The sum of area of this rectangle and this circle is 


Câu 11:
Compare: A = 
 and B = 
Answer: A 
 B
Câu 12:
If 
 and 
 are two consecutive natural numbers and 
 then 


Câu 13:
Convert: 
 



Câu 14:
If 
 then 


Câu 15:
If 
 then 


Câu 16:
If 
 
 and 
 then 


Câu 17:
Three sides of a triangle are: 
 
 and 
. Its perimeter is 
 
 
Câu 18:
If 
 and 
 are two consecutive natural numbers and 
 then 


Câu 19:
If 
 and 
 are two consecutive natural numbers and 
 then 
 


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