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\ 10-Nov-2025 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

example 2. Mark the periods and rewrite the following numbers using commas.
a. 53426 b. 60043 c. 29837

Solution.
Thousands Ones How to write numbers
TTh Th H T O using commas

a. 5 3 4 2 6 53,426
b. 6 0 0 4 3 60,043

c. 2 9 8 3 7 29,837
example 3. Find the place value of each digit in 34,609. The place value of a digit is
Express it in expanded form. the product of its face value
and the value of the place it
Solution. TTh Th H T O occupies.

3 4 6 0 9 Place
Face Value Value of Place Value
9 ones = 9 × 1 = 9

0 tens = 0 × 10 = 0
6 hundreds = 6 × 100 = 600
4 thousands = 4 × 1,000 = 4,000
3 ten thousands = 3 × 10,000 = 30,000

expanded form: 30,000 + 4,000 + 600 + 9

example 4. Express the following numbers in the expanded form.
a. 27,396 b. 56,304 c. 10,496

Solution. a. 27,396 = 20,000 + 7,000 + 300 + 90 + 6
A number, when expressed
b. 56,304 = 50,000 + 6,000 + 300 + 4
as a sum of the place values
c. 10,496 = 10,000 + 400 + 90 + 6 of its digits, is said to be in its

expanded form.

Exercise 1A

1. Write the numeral for the given number names.

a. Fifty-six thousand four hundred thirteen ____________

b. Eighty-three thousand ninety-two ____________

c. Sixty-six thousand three hundred fifty-two ____________

d. Ninety thousand three ____________

10 Mathematics 4