Toán TA lớp 4 - vòng 1

BAI 1

Question 1: The average of 5, 7, 9, 11, 13 is 

Question 2: Write > ; = ; <
 
 

Question 3: If 
 = 121 then 
 = 

Question 4: If 
 then 
 = 

Question 5: Write the missing number: 
 - 
 = 

Question 6: Find the value of 
 if 
The result: 
 = 

Question 7: If 
 is 
 more than 
 then 
 = 

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:
, Nora was 
 as old as Mary is 
. If Mary is 
 years older than Nora then Mary is 
 years old 
.
VONG 2