Scroll:Mental Sums >> Mental Sums >> saq (241)

Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.


 

1)  

Round off 5183 to the nearest tens. 


Answer:_______________




2)  

Round off 3266 to the nearest tens.


Answer:_______________




3)  

Round off 6311 to the nearest tens. 


Answer:_______________




4)  

Round off 1638 to the nearest tens.


Answer:_______________




5)  

Round off 1761 to the nearest tens. 


Answer:_______________




6)  

Round off 6179 to the nearest tens.


Answer:_______________




7)  

Round off 8783 to the nearest tens. 


Answer:_______________




8)  

Round off 4946 to the nearest tens.


Answer:_______________




9)  

Round off 8461 to the nearest tens. 


Answer:_______________




10)  

Round off 4676 to the nearest tens.


Answer:_______________




 

1)  

Round off 5183 to the nearest tens. 
Answer: 5180


SOLUTION 1 :

3 is less than 5. Hence, we round down the number.

Answer: 5190



2)  

Round off 3266 to the nearest tens.
Answer: 3270


SOLUTION 1 :

6 is more than 5. Hence, we round up the number.

Answer: 3270



3)  

Round off 6311 to the nearest tens. 
Answer: 6310


SOLUTION 1 :

1 is less than 5. Hence, we round down the number.

Answer: 6320



4)  

Round off 1638 to the nearest tens.
Answer: 1640


SOLUTION 1 :

8 is more than 5. Hence, we round up the number.

Answer: 1640



5)  

Round off 1761 to the nearest tens. 
Answer: 1760


SOLUTION 1 :

1 is less than 5. Hence, we round down the number.

Answer: 1770



6)  

Round off 6179 to the nearest tens.
Answer: 6180


SOLUTION 1 :

9 is more than 5. Hence, we round up the number.

Answer: 6180



7)  

Round off 8783 to the nearest tens. 
Answer: 8780


SOLUTION 1 :

3 is less than 5. Hence, we round down the number.

Answer: 8790



8)  

Round off 4946 to the nearest tens.
Answer: 4950


SOLUTION 1 :

6 is more than 5. Hence, we round up the number.

Answer: 4950



9)  

Round off 8461 to the nearest tens. 
Answer: 8460


SOLUTION 1 :

1 is less than 5. Hence, we round down the number.

Answer: 8470



10)  

Round off 4676 to the nearest tens.
Answer: 4680


SOLUTION 1 :

6 is more than 5. Hence, we round up the number.

Answer: 4680