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 2943 to the nearest tens. 


Answer:_______________




2)  

Round off 1827 to the nearest tens.


Answer:_______________




3)  

Round off 4161 to the nearest tens. 


Answer:_______________




4)  

Round off 3867 to the nearest tens.


Answer:_______________




5)  

Round off 7114 to the nearest tens. 


Answer:_______________




6)  

Round off 1648 to the nearest tens.


Answer:_______________




7)  

Round off 1252 to the nearest tens. 


Answer:_______________




8)  

Round off 3156 to the nearest tens.


Answer:_______________




9)  

Round off 8462 to the nearest tens. 


Answer:_______________




10)  

Round off 8067 to the nearest tens.


Answer:_______________




 

1)  

Round off 2943 to the nearest tens. 
Answer: 2940


SOLUTION 1 :

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

Answer: 2950



2)  

Round off 1827 to the nearest tens.
Answer: 1830


SOLUTION 1 :

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

Answer: 1830



3)  

Round off 4161 to the nearest tens. 
Answer: 4160


SOLUTION 1 :

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

Answer: 4170



4)  

Round off 3867 to the nearest tens.
Answer: 3870


SOLUTION 1 :

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

Answer: 3870



5)  

Round off 7114 to the nearest tens. 
Answer: 7110


SOLUTION 1 :

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

Answer: 7120



6)  

Round off 1648 to the nearest tens.
Answer: 1650


SOLUTION 1 :

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

Answer: 1650



7)  

Round off 1252 to the nearest tens. 
Answer: 1250


SOLUTION 1 :

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

Answer: 1260



8)  

Round off 3156 to the nearest tens.
Answer: 3160


SOLUTION 1 :

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

Answer: 3160



9)  

Round off 8462 to the nearest tens. 
Answer: 8460


SOLUTION 1 :

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

Answer: 8470



10)  

Round off 8067 to the nearest tens.
Answer: 8070


SOLUTION 1 :

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

Answer: 8070