Page 12 - Math Skill - 5

10 Maths

3. Put commas to separate the following numerals into periods.
(a) 383528 (b) 7831806 (c) 7883806 (d) 7851287

(e) 66783520 (f) 75128367 (g) 22835129 (h) 4121097

International Place Value System

Like Indian System of Numeration, there is an other number system used globally called
International Place Value System.
Observe the following chart.

Periods Billions Millions Thousands Ones

Places / Values Hundred Billions 100 000 000 000 Ten Billions 10 000 000 000 Billions 1 000 000 000 Hundred Millions 100 000 000 Ten Millions 10 000 000 Millions 1 000 000 Hundred Thousands 100 000 Ten Thousands 10 000 Thousands 1 000 Hundreds 100 Tens 10 Ones 1

The above chart shows 4 periods, namely—Ones, Thousands, Millions and Billions.
According to International system of numeration, the number is separated by commas after
every three places starting from ones.

Relationship between Indian and international place value chart

Indian Place Value Chart Ten crores Crores Ten lakhs Lakhs Ten thousands Thousands Hundreds Tens Ones

International Place Value Chart Hundred millions Ten millions Millions Hundred thousands Ten thousands Thousands Hundreds Tens Ones

Fact-o-meter Absorbing Facts
� 1 Lakh = 100 Thousands Large numbers are grouped into sets of three digits,
� 10 Lakh = 1 Million such as thousands, millions, billions, and trillions.
� 1 Crore = 10 Millions

� 10 Crores = 100 Millions
� 100 Crores = 1 Billion