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Chapter1 6 ½ –

Large Numbers

5-and 6-Digit Numbers

If we add 1 to 9999, we get

9999 + 1 = 10000
So 10000 is first and smallest 5-digit number.

It is read as Ten thousand
So, Ten thousand one 10001

Ten thousand ten 10010
Ten thousand one hundred 10100

Eleven thousand 11000
Fifty thousand 50000

Ninety-Nine thousand nine hundred ninety-nine 99999

All these are 5-digit numbers.
99999 is the greatest 5-digit number.

Forming 5-Digit Numbers

Numbers with 5-digits and more are divided into two groups. These groups are
called periods in the place value system. They help in reading and writing large

numbers.
In a 5-digit number, we have two periods. THOUSANDS and ONES.

ONES period has three places Hundreds, Tens and Ones.
We start from the right hand side and group 3 digits. We leave a thin space or

use a comma and then write the remaining digits.