What do you neam by rounding the numbers ?
Giving details in multiples of 10 or 100 or 1000 etc is called rounding the numbers .

Rounding off the nearest 10.

Step:
1) Look at the digit in ones place.
2) If the digit is less than 5, digit in ones place becomes 0 and the digit in tens place remains same.
3) If the digit is equal to or more than 5, the digit in ones place becomes 0 and add 1 to the digit in tens place.

Rounding off the nearest 100.

Step:
1) Look at the number formed by digit in ones and tens place.
2) If the digit is less than 50, digit in ones and tens place becomes 0 and the digit in hundred place remains same.
3) If the digit is equal to or more than 50, the digit in ones and tens place becomes 0 and add 1 to the digit in hundred place.

Q1.  ROUND OFF THE FOLLOWING NUMBERS IN MULTIPLE OF 10.

a) 251
 

b) 5625
 

c) 89536
 

d) 995520
 

e) 896295
 

Q2.  ROUND OFF THE FOLLOWING NUMBERS IN MULTIPLE OF 100.

f) 458762
 

g) 99999
 

h) 555
 

i) 985637
 

j) 3595
 



Marks =