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Practice time 1a

1. Write the number names of the following numbers according to Indian place value
system.
(a) 4634561 (b) 4056249 (c) 77326434

(d) 87928043 (e) 73038963 (f) 545864

2. Write the numerals for the following numbers.
(a) Five lakh thirty-four thousand nine hundred forty-eight

(b) Fifty lakh seventy thousand six hundred ninety-four
(c) Six crore sixty-six lakh twenty-four thousand four hundred twelve

(d) Seven crore seventy-three thousand sixteen
3. rewrite the following numbers with commas according to the Indian place value
system. Also, write these numbers in words.
(a) 7854475 (b) 79876560 (c) 80078004

(d) 57654323 (e) 60052902 (f) 59934230

4. As per the 2011 census, the population of Delhi is 1,67,87,941. How many ones, tens,
hundreds, thousands, ten thousands, lakhs, ten lakhs and crores are there in the number?

Face VaLue anD PLace VaLue

Face Value
Remember
The face value of a digit in a number is the digit itself. For face values, the

example 1: Find the face value of each digit in 8,36,42,089. place at which the digit
Solution: Face value of digit 8 = 8, Face value of digit 3 = 3 is present in the number
does not matter.
Face value of digit 6 = 6, Face value of digit 4 = 4
Face value of digit 2 = 2, Face value of digit 0 = 0 C tL L tth th H t O

Face value of digit 8 = 8, Face value of digit 9 = 9
8 3 6 4 2 0 8 9
Place Value

The place value of a digit depends on the place of the digit at which it occurs in the
number.

Place value of a digit = Face value × Value of the place at which the digit occurs in the
number

Think and Answer
In the number, 6708813, which smallest digit has the same place and face value?

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