Đề thi Violympic Toán, Tiếng anh Lớp 4 - Vòng 1+2

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Exam number 1
Find out the correct answer of each question.
Question 1:
Write > ; = ; <
Question 2:
If  then  = 
Question 3:
If  = 121 then  = 
Question 4:
The average of 5, 7, 9, 11, 13 is 
Question 5:
Find the value of k if 
The result: k = 
Question 6:
If A is  more than  then A = 
Question 7:
Write the missing number:  -  = 
Question 8:
If  and  then  = 
Question 9:
It took  boys  hours to clean a house. How many  boys are needed to clean the house in  hours?
The result is:  boys.
Question 10:
Three years ago, Nora was half as old as Mary is now. If Mary is four years older than Nora then Mary is  years old now.
Vongf 2- baif 1
Exam number 1
Find out the correct answer of each question.
Question 1:
Calculate:
 = 
Question 2:
If N - 25 = 116 then N = 
Question 3:
Type the missing number:
95 ; 97 ; 99 ;  ; 103
Question 4:
Fill in the blank with > ; < ; =
Question 5:
If  ;  and the average of  is  then  = 
Question 6:
Fill in the blank with > ; = ; <
2 hours 30 minutes  230 minutes
Question 7:
If  then  = 
Question 8:
The sum of two consecutive numbers is .
The greater number is 
Question 9:
Fin the greatest 4-digit-number which is divisible by both 4 and 7.
The result is 
Question 10:
6 workers take 2 hours to collect eggs. If 2 workers are sick, the other workers need  hours to collect the eggs.

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