Page 11 - Start Up Mathematics_5

The number will be read as three crore eighty-five lakh forty-six thousand two hundred
thirteen.

Example 1: Separate 23540295 into periods. Also, make the place value chart and write
the number name.

Solution: Starting from the right, put commas after the third, fifth and seventh digit.
2,35,40,295

CRORES LAKHS THOUSANDS ONES

Ten Ten Ten
crores Crores lakhs Lakhs thousands Thousands Hundreds Tens Ones
TC C TL L TTh Th H T O
2 3 5 4 0 2 9 5

Number name: Two crore thirty-five lakh forty thousand two hundred ninety-five

Place Value

Consider the number 2,14,36,754.

The place value of
2 is 2 crores, i.e. 2,00,00,000

1 is 1 ten lakh, i.e. 10,00,000

4 is 4 lakhs, i.e. 4,00,000
3 is 3 ten thousands, i.e. 30,000

6 is 6 thousands, i.e. 6,000

7 is 7 hundreds, i.e. 700
5 is 5 tens, i.e. 50

4 is 4 ones, i.e. 4

Example 2: Write the place value of the underlined digit in the following numbers.
(a) 13,42,86,205 (b) 8,05,24,342 (c) 8,92,46,313

Solution: (a) 13,42,86,205 The place value of 3 is 3,00,00,000 or 3 crores.
(b) 8,05,24,342 The place value of 0 is always 0.

(c) 8,92,46,313 The place value of 4 is 40,000 or 4 ten thousands.
Example 3: Find the sum and difference of the place values of 9 and 4 in 8,92,46,313.

Solution: The place value of 9 is 90,00,000.

The place value of 4 is 40,000.
The sum of place values = 90,00,000 + 40,000 = 90,40,000
The difference of place values = 90,00,000 – 40,000 = 89,60,000

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