There are 2 systems of numeration :
1) Hindu-Arabic Number system (Indian System of numeration)
2) International Number System

Hindu-Arabic Number system (Indian System of numeration)




1. Indian systems of numeration has four periods - Ones, Thousands , Lakhs , and Crores
2. Pattern of periods is 3-2-2-2 and starts from Right To Left.

Place of digits in Indian system of numerations area
Ones, Tens , Hundreds, Tousands , Ten Tousands , Lakhs , Ten Lakhs, Crores , Ten Crores

International System of numeration


1. There are three periods -Ones , Thousands and Millions .
2. Pattern of periods is 3-3-3 and starts from right to left.

Place of digits in International System of numeration area
Ones, Tens Hundreds, THousand, Ten Thousands, Hundred Thousands, Millions, Ten Millions, Hundred Millions .

Write the periods for the following numbers in Indian System of numeration


(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)



Marks =

Write the periods for the following numbers in International System of numeration


(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)



Marks =