- Introduction to larger numbers
- How to write large numbers - Introduction to comma system.
Example :
9,99,999 + 1 = 1000000 ( It is ten lakh )
Similarly, the greatest 7 digit number gives us the smallest 8 digit number.
99,99,999 + 1 = 10000000 ( It is one crore )
Pattern or sequence of numbers :
| 9+1 | = | 10 |
| 99+1 | = | 100 |
| 999+1 | = | 1000 |
| 9,999+1 | = | 10000 |
| 99,999+1 | = | 100000 |
| 9,99,999+1 | = | 1000000 |
| 99,99,999+1 | = | 10000000 |
Indian system to numeration :
Values of the place in the Indian system of numeration are one's,ten's,hundred's, thousand's,ten thousand's,lakh,ten lakh,crore and so on.....
Following place value chart can be used to identify the digit in any place in the Indian system.
| Periods | Crores | Lakhs | Thousands | Ones | |||||
| Places | Tens | Ones | Tens | Ones | Tens | Ones | Hundred | Tens | Ones |
International system of numeration:
Values of the places in international system of numeration are one's,ten's, hundred's,thousand's,ten thousand's,hundred thousand's,millions,ten million and so on....
Following place value chart can be used to identify the digit in any place in the international system.
| Periods | Billions | Million | Thousand | Ones | ||||||||
| Places | Hundred | Tens | Ones | Hundred | Tens | Ones | Hundred | Tens | Ones | Hundred | Tens | Ones |
Comparison of the Indian and international system of numeration:
| Indian numeration | Crore | Ten Lakhs | Lakh | Ten thousand | Thousand | Hundred | Tens | Ones |
|---|---|---|---|---|---|---|---|---|
| Numbers | 10000000 | 1000000 | 100000 | 10000 | 1000 | 100 | 10 | 0 |
| International numeration | Ten millions | Million | Hundred Thousands | Ten Thousands | Thousand | Hundred | Tens | Ones |
