Page 6 - SM Class 5 Inner.cdr

Reading of number according to Indian System of Numeration
In Indian System of Numeration periods such as ones, thousands, lakhs, crores,

etc. are used so that number can be easily read.
Let’s read the below number according to Indian System of Numeration
176152930.

First put the number in their respective places.

This number is read as Seventeen crore sixty-one lakh fifty-two thousand nine
hundred and thirty.

Marking periods according to Indian System of Numeration

Different periods like ones, thousands, lakhs and crores are separated by comma
(,) starting from the right to differentiate the periods.
We start with the first period, named as , consist the first three

digits of the given number from right hand side. The second period (i.e.,
) is consist of the next two digits of the given number. The
third period (i.e., ), consist of the next two digits of the given

number. The fourth period (i.e., ), consist of the next two digits of
the given number.