Page 21 - Math Genius C5

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\ 08-Oct-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________

Example: Write the following numerals in the international place value chart and also write
their number names according to the international number system.

( a) 65344219 (b) 95732146 (c) 87645231 (d) 40032030

Solution: We arrange the numerals in the place value chart in the following way.

Millions Thousands Ones
tM M HTh TTh Th H t O Number name

(a) 6 5 3 4 4 2 1 9 Sixty-five million three hundred forty-four
thousand two hundred nineteen

(b) 9 5 7 3 2 1 4 6 Ninety-five million seven hundred thirty-
two thousand one hundred forty-six

Eighty-seven million six hundred forty-five
(c) 8 7 6 4 5 2 3 1
thousand two hundred thirty-one

(d) 4 0 0 3 2 0 3 0 Forty million thirty-two thousand thirty

comparing the indian and international Place Value charts

The place values upto the ten thousands place are the same in both the number systems.
In the Indian system, each period after the ones period has two places. In the international
system, each period has three places.

Remember the following comparison of both the systems.

1 hundred thousand = 1 lakh

1 million = 10 lakh
Think Tank Critical Thinking
10 million = 1 crore
How many lakhs are there
100 million = 10 crore in 10 million?

Practice time 1D

1. Write the numerals for the following numbers:

( a) Sixty-five million twenty-eight thousand one hundred seven

( b) Eighty-two million two hundred forty-five thousand
( c) Fifty-nine million one hundred six thousand three hundred seven

( d) Forty million ninety-three thousand four hundred six

( e) Seventy-two million seven thousand seven hundred

( f) Ninety-eight million nine hundred ninety-nine thousand ninety-nine

Mathematics-5 1919
Mathematics-5